/* roulang page: index */
:root{
  --c-primary:#2E6B63;
  --c-primary-dark:#1F4B46;
  --c-primary-soft:#E4EFEC;
  --c-accent:#C5622F;
  --c-accent-dark:#A94F22;
  --c-accent-soft:#FBEADF;
  --c-info:#3E5C74;
  --c-info-soft:#E7EDF3;
  --c-ink:#161C1B;
  --c-text2:#4A5654;
  --c-muted:#7C8A87;
  --c-bg:#F6F3ED;
  --c-surface:#FFFFFF;
  --c-surface-alt:#FBFAF7;
  --c-dark:#10201E;
  --c-line:#E5DFD4;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(16,32,30,.05),0 8px 24px rgba(16,32,30,.06);
  --sh-2:0 12px 32px rgba(16,32,30,.10);
  --ease:cubic-bezier(.25,.8,.35,1);
  --nav-h:64px;
}
@media(min-width:1024px){:root{--nav-h:72px}}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media(max-width:1024px){.container{padding:0 24px;}}
@media(max-width:640px){.container{padding:0 20px;}}

section[id]{scroll-margin-top:calc(var(--nav-h) + 60px);}
.section{padding:96px 0;}
@media(max-width:1024px){.section{padding:72px 0;}}
@media(max-width:640px){.section{padding:56px 0;}}
.section--white{background:var(--c-surface);}
.section--alt{background:var(--c-surface-alt);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,237,.97);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.site-header.is-stuck{
  background:rgba(246,243,237,.96);
  border-bottom-color:var(--c-line);
  box-shadow:0 1px 2px rgba(16,32,30,.05),0 8px 24px rgba(16,32,30,.06);
}
.brand-row{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--c-ink);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--c-primary);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--c-text2);white-space:nowrap;border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.search-box{
  position:relative;display:flex;align-items:center;height:44px;width:214px;
  background:var(--c-surface-alt);border:1px solid var(--c-line);border-radius:var(--r-btn);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(46,107,99,.16);}
.search-box input{
  flex:1;height:100%;min-width:0;border:0;background:transparent;outline:none;
  padding:0 6px 0 14px;font-size:14px;
}
.search-box input::placeholder{color:var(--c-muted);}
.search-box button{
  width:42px;height:100%;border:0;background:transparent;display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);border-radius:0 var(--r-btn) var(--r-btn) 0;
}
.search-box button:hover{background:var(--c-primary-soft);}
.menu-btn{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);align-items:center;justify-content:center;color:var(--c-primary-dark);
}
.menu-btn:hover{background:var(--c-primary-soft);}

.sub-rows{overflow:hidden;max-height:120px;transition:max-height .26s var(--ease),opacity .22s var(--ease);}
.site-header.is-stuck .sub-rows{max-height:0;opacity:0;}
.channel-row,.trend-row{display:flex;align-items:center;border-top:1px solid rgba(229,223,212,.7);}
.channel-row{height:36px;gap:0;overflow-x:auto;scrollbar-width:none;}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{
  font-size:14px;color:var(--c-text2);padding:0 14px;line-height:36px;white-space:nowrap;position:relative;
}
.channel-link:first-child{padding-left:0;}
.channel-link + .channel-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:var(--c-line);
}
.channel-link:hover{color:var(--c-primary);}
.channel-link.active{color:var(--c-primary);font-weight:600;}
.trend-row{height:32px;gap:8px;overflow-x:auto;scrollbar-width:none;padding-top:2px;}
.trend-row::-webkit-scrollbar{display:none;}
.trend-badge{
  flex-shrink:0;font-size:12px;font-weight:500;color:var(--c-info);background:var(--c-info-soft);
  border-radius:6px;padding:1px 8px;
}
.trend-pill{
  flex-shrink:0;font-size:12.5px;color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:999px;padding:2px 12px;transition:background .2s var(--ease);
}
.trend-pill:hover{background:#CFE4DF;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),
             box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 1px 2px rgba(16,32,30,.06),0 8px 20px rgba(197,98,47,.22);}
.btn-primary:hover{background:var(--c-accent-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(197,98,47,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(197,98,47,.24);}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(228,239,236,.18);border-color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:15px;font-weight:600;
  text-underline-offset:4px;
}
.btn-text:hover{color:var(--c-accent);text-decoration:underline;}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;min-height:560px;display:flex;align-items:center;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(16,32,30,.88) 0%,rgba(16,32,30,.80) 46%,rgba(16,32,30,.62) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;padding:88px 0;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:#A9D8CE;
  background:rgba(46,107,99,.34);border:1px solid rgba(143,199,188,.34);border-radius:999px;padding:5px 14px;
}
.hero h1{
  color:#fff;font-size:46px;line-height:1.25;font-weight:700;letter-spacing:.01em;
  margin:20px 0 18px;max-width:17em;
}
.hero-sub{color:rgba(255,255,255,.84);font-size:17px;line-height:1.8;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:40px;}
.hero-stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.18);}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat strong{display:block;font-size:22px;font-weight:700;color:#fff;line-height:1.3;font-family:"Noto Serif SC",Georgia,serif;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.62);}
.hero-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 24px 56px rgba(0,0,0,.34);
}
.hero-card .ratio{aspect-ratio:16/11;}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-card-cap{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(to top,rgba(16,32,30,.92),rgba(16,32,30,0));
  color:#fff;
}
.hero-card-cap b{display:block;font-size:15px;font-weight:600;}
.hero-card-cap span{font-size:12.5px;color:rgba(255,255,255,.7);}

/* ============ 锚点子导航 ============ */
.subnav{
  position:sticky;top:var(--nav-h);z-index:50;
  background:rgba(246,243,237,.97);
  border-bottom:1px solid var(--c-line);
}
.subnav-inner{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;}
.subnav-inner::-webkit-scrollbar{display:none;}
.subnav-link{
  position:relative;padding:16px 18px;font-size:15px;color:var(--c-text2);white-space:nowrap;
  transition:color .2s var(--ease);
}
.subnav-link:hover{color:var(--c-primary);}
.subnav-link.active{color:var(--c-primary);font-weight:600;}
.subnav-link.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ============ 通用块头 ============ */
.sec-head{max-width:800px;margin-bottom:48px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  color:var(--c-primary);background:var(--c-primary-soft);border-radius:999px;padding:5px 14px;
}
.sec-title{font-size:32px;line-height:1.35;font-weight:700;margin:16px 0 12px;letter-spacing:.01em;}
@media(max-width:640px){.sec-title{font-size:26px;}}
.sec-desc{color:var(--c-text2);font-size:16px;line-height:1.85;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
@media(max-width:768px){.sec-head-row{flex-direction:column;align-items:flex-start;gap:16px;}}

/* ============ 卡片通用 ============ */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD5C7;}
.card h3{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.card p{color:var(--c-text2);font-size:15px;line-height:1.85;}
.ratio{position:relative;overflow:hidden;border-radius:var(--r-img);background:#E9E4DA;}
.ratio img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.card:hover .ratio img{transform:scale(1.03);}
.ratio-16-9{aspect-ratio:16/9;}
.ratio-16-10{aspect-ratio:16/10;}
.badge-info{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:500;color:var(--c-info);
  background:var(--c-info-soft);border-radius:999px;padding:3px 12px;
}
.icon-box{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);margin-bottom:18px;flex-shrink:0;
}

/* ============ 卖点区 ============ */
.feat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.feat-main{grid-column:span 6;}
.feat-sm{grid-column:span 3;display:flex;flex-direction:column;}
.feat-main .card{padding:0;overflow:hidden;}
.feat-main .feat-body{padding:28px;}
.feat-main h3{font-size:22px;}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.point-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-text2);line-height:1.7;}
.point-list svg{flex-shrink:0;margin-top:5px;color:var(--c-primary);}
.feat-sm .card{flex:1;display:flex;flex-direction:column;}
.feat-sm .card p{font-size:14.5px;}
@media(max-width:1024px){
  .feat-main{grid-column:span 12;}
  .feat-sm{grid-column:span 6;}
}
@media(max-width:640px){
  .feat-sm{grid-column:span 12;}
  .card{padding:20px;}
  .feat-main .feat-body{padding:20px;}
}

/* ============ 演示/流程区 ============ */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.demo-visual{
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:var(--c-surface);
  box-shadow:var(--sh-1);
}
.demo-visual .ratio{border-radius:0;}
.step-list{display:flex;flex-direction:column;gap:0;}
.step-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px dashed var(--c-line);}
.step-item:last-child{border-bottom:0;}
.step-num{
  width:38px;height:38px;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;
  background:var(--c-surface);
}
.step-item h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.step-item p{font-size:14.5px;color:var(--c-text2);line-height:1.8;}
@media(max-width:1024px){
  .demo-grid{grid-template-columns:1fr;gap:40px;}
  .step-list{position:relative;padding-left:8px;}
}

/* ============ 证据区（深色） ============ */
.proof{position:relative;overflow:hidden;background:var(--c-dark);color:#fff;}
.proof-pattern{
  position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cpath d='M20 90c14-22 42-22 56 0M84 90c14-22 42-22 56 0M52 120c14-22 42-22 56 0' fill='none' stroke='%238FC7BC' stroke-width='1.2'/%3E%3C/svg%3E");
}
.proof .container{position:relative;z-index:2;}
.proof .sec-tag{background:rgba(46,107,99,.35);color:#A9D8CE;}
.proof .sec-title{color:#fff;}
.proof .sec-desc{color:rgba(255,255,255,.68);}
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:56px;}
.logo-item{
  display:flex;align-items:center;justify-content:center;gap:10px;height:72px;
  border:1px solid rgba(255,255,255,.10);border-radius:var(--r-card);
  color:rgba(255,255,255,.52);font-size:14.5px;font-weight:500;letter-spacing:.02em;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.logo-item:hover{color:#8FC7BC;border-color:rgba(143,199,188,.42);background:rgba(255,255,255,.03);}
.proof-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:56px;}
.proof-stat{border-left:1px solid rgba(255,255,255,.12);padding-left:24px;}
.proof-stat:first-child{border-left:0;padding-left:0;}
.proof-stat strong{
  display:block;font-size:40px;font-weight:700;line-height:1.2;color:#fff;
  font-family:"Noto Serif SC",Georgia,serif;
}
.proof-stat span{font-size:14px;color:rgba(255,255,255,.62);}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);}
.tl-item{position:relative;padding-left:20px;}
.tl-item::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:#8FC7BC;
}
.tl-time{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.02em;}
.tl-item h3{font-size:16px;font-weight:600;color:#fff;margin:6px 0 6px;}
.tl-item p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;}
@media(max-width:1024px){
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .proof-stats{grid-template-columns:repeat(3,1fr);}
  .timeline{grid-template-columns:1fr;gap:20px;}
}
@media(max-width:640px){
  .proof-stats{grid-template-columns:1fr;gap:20px;}
  .proof-stat{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:16px;}
  .proof-stat:first-child{border-top:0;padding-top:0;}
  .proof-stat strong{font-size:32px;}
}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD5C7;}
.news-link{display:block;height:100%;}
.news-thumb{aspect-ratio:16/9;border-radius:0;background:#E9E4DA;}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;height:calc(100% - 0px);}
.news-title{
  font-size:18px;font-weight:600;line-height:1.55;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card:hover .news-title{color:var(--c-primary);}
.news-excerpt{
  font-size:14.5px;color:var(--c-text2);line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(229,223,212,.75);
}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line);flex-shrink:0;}
.news-meta .arrow{margin-left:auto;color:var(--c-primary);transition:transform .2s var(--ease);}
.news-card:hover .news-meta .arrow{transform:translateX(3px);}
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface-alt);
}
.empty-state svg{color:var(--c-muted);margin:0 auto 16px;}
.empty-state p{color:var(--c-text2);font-size:15px;margin-bottom:20px;}
.list-footer{display:flex;justify-content:center;margin-top:44px;}
@media(max-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.news-grid{grid-template-columns:1fr;}}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px 28px;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.price-card.featured{
  border:1.5px solid var(--c-primary);box-shadow:var(--sh-1);
  transform:translateY(-8px);
}
.price-card.featured:hover{transform:translateY(-10px);box-shadow:var(--sh-2);}
.price-card.featured::before{
  content:"";position:absolute;left:-1.5px;right:-1.5px;top:-1.5px;height:4px;border-radius:4px 4px 0 0;background:var(--c-primary);
}
.price-badge{
  position:absolute;top:-13px;right:24px;font-size:12.5px;font-weight:600;color:#fff;background:var(--c-primary);
  border-radius:999px;padding:3px 14px;
}
.price-name{font-size:18px;font-weight:600;}
.price-note{font-size:14px;color:var(--c-text2);margin-top:6px;min-height:44px;}
.price-amount{display:flex;align-items:baseline;gap:6px;margin:20px 0 6px;}
.price-amount strong{font-size:38px;font-weight:700;color:var(--c-primary-dark);line-height:1;font-family:"Noto Serif SC",Georgia,serif;}
.price-amount span{font-size:14px;color:var(--c-muted);}
.price-line{height:1px;background:var(--c-line);margin:22px 0;}
.price-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;}
.price-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--c-text2);line-height:1.7;}
.price-list svg{flex-shrink:0;margin-top:5px;color:var(--c-primary);}
.price-card .btn{margin-top:auto;width:100%;}
@media(max-width:1024px){
  .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .price-card.featured{order:-1;transform:none;}
  .price-card.featured:hover{transform:translateY(-2px);}
}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:#DCD5C7;}
.faq-item.open{border-color:rgba(46,107,99,.35);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 24px;min-height:60px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--c-ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(135deg);background:var(--c-primary-soft);border-color:rgba(46,107,99,.35);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-text2);max-width:44em;}

/* ============ CTA 带 ============ */
.cta-band{background:var(--c-dark);color:#fff;padding:72px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-band h2{font-size:30px;font-weight:700;line-height:1.4;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.68);font-size:15.5px;line-height:1.85;max-width:34em;}
.cta-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:rgba(255,255,255,.62);}
.field input{
  height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder{color:rgba(255,255,255,.38);}
.field input:focus{border-color:#8FC7BC;background:rgba(255,255,255,.09);box-shadow:0 0 0 2px rgba(143,199,188,.24);}
.form-tip{grid-column:1/-1;font-size:13px;color:rgba(255,255,255,.48);}
@media(max-width:1024px){
  .cta-grid{grid-template-columns:1fr;gap:32px;}
}
@media(max-width:640px){
  .cta-form{grid-template-columns:1fr;}
  .cta-band h2{font-size:24px;}
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;top:50%;transform:translateY(-50%) translateX(16px);
  z-index:55;opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0);}
.float-cta a{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:16px 12px;border-radius:999px;background:var(--c-accent);color:#fff;
  font-size:13px;font-weight:600;letter-spacing:.14em;writing-mode:vertical-rl;
  box-shadow:0 12px 28px rgba(197,98,47,.3);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.float-cta a:hover{background:var(--c-accent-dark);transform:translateY(-2px);}
.float-cta svg{writing-mode:horizontal-tb;margin-bottom:4px;}
.float-cta-bar{display:none;}

@media(max-width:1024px){
  .float-cta{display:none;}
  .float-cta-bar{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    position:fixed;left:0;right:0;bottom:0;z-index:55;
    background:rgba(246,243,237,.97);border-top:1px solid var(--c-line);
    padding:10px 20px;box-shadow:0 -8px 24px rgba(16,32,30,.08);
    transform:translateY(110%);transition:transform .26s var(--ease);
  }
  .float-cta-bar.show{transform:translateY(0);}
  .float-cta-bar p{font-size:13.5px;color:var(--c-text2);line-height:1.5;}
  .float-cta-bar p b{display:block;color:var(--c-ink);font-size:14.5px;}
  .float-cta-bar .btn{flex-shrink:0;}
}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,30,.5);z-index:70;opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:71;
  background:var(--c-bg);border-left:1px solid var(--c-line);
  transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.show{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--c-line);
}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-surface);display:flex;align-items:center;justify-content:center;color:var(--c-primary-dark);
}
.drawer-close:hover{background:var(--c-primary-soft);}
.drawer-body{padding:20px;display:flex;flex-direction:column;gap:20px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  min-height:48px;display:flex;align-items:center;font-size:15.5px;color:var(--c-text2);
  border-bottom:1px solid rgba(229,223,212,.7);padding:0 4px;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--c-primary);font-weight:600;}
.drawer-search{display:flex;align-items:center;height:44px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-btn);}
.drawer-search input{flex:1;height:100%;border:0;background:transparent;outline:none;padding:0 14px;font-size:14.5px;min-width:0;}
.drawer-search button{width:44px;height:100%;border:0;background:transparent;color:var(--c-primary);display:flex;align-items:center;justify-content:center;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.drawer .btn{width:100%;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px;}
.footer-col:not(:first-child){border-left:1px solid rgba(255,255,255,.10);padding-left:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .logo-mark{background:var(--c-primary);}
.footer-brand .logo-text{color:#fff;font-size:18px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:32em;margin-bottom:20px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.6);}
.footer-contact span b{color:rgba(255,255,255,.85);font-weight:600;margin-right:8px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-links a:hover{color:#8FC7BC;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-col:not(:first-child){border-left:0;padding-left:0;}
}
@media(max-width:640px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:56px;}
}

/* ============ 响应式 ============ */
@media(max-width:1180px){
  .main-nav{display:none;}
  .menu-btn{display:flex;}
}
@media(max-width:1024px){
  .search-box{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 0;}
  .hero h1{font-size:36px;}
  .hero-card{max-width:560px;}
}
@media(max-width:768px){
  .brand-row{gap:16px;}
}
@media(max-width:640px){
  .hero{min-height:420px;}
  .hero h1{font-size:29px;max-width:100%;}
  .hero-sub{font-size:15.5px;}
  .hero-inner{padding:56px 0;}
  .hero-stats{gap:16px 0;}
  .hero-stat{padding:0 16px;}
  .hero-stat strong{font-size:18px;}
  .hero-card{display:none;}
  .sec-title{font-size:24px;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .news-body{padding:20px;}
}

/* roulang page: category1 */
:root{
  --brand:#2E6B63;
  --brand-dark:#1F4B46;
  --brand-soft:#E4EFEC;
  --action:#C5622F;
  --action-soft:#FBEADF;
  --info:#3E5C74;
  --info-soft:#E7EDF3;
  --ink:#161C1B;
  --ink-2:#4A5654;
  --ink-3:#7C8A87;
  --paper:#F6F3ED;
  --card:#FFFFFF;
  --dark:#10201E;
  --line:#E5DFD4;
  --ok:#3F8F6A;
  --warn:#A87B2E;
  --err:#B4453A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(16,32,30,.05),0 8px 24px rgba(16,32,30,.06);
  --sh-2:0 12px 32px rgba(16,32,30,.10);
  --ease:cubic-bezier(.25,.8,.35,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;
  color:var(--ink);background:var(--paper);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--action);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
section[id],div[id]{scroll-margin-top:170px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  letter-spacing:.02em;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--action);color:#fff;box-shadow:0 6px 16px rgba(197,98,47,.24)}
.btn-primary:hover{background:#B45726;transform:translateY(-2px);box-shadow:0 12px 26px rgba(197,98,47,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(197,98,47,.22)}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(228,239,236,.16);border-color:#fff}
.btn-text{padding:0;height:auto;color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.btn-text:hover{color:var(--action)}
.btn[disabled]{opacity:.45;box-shadow:none;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;background:var(--info-soft);color:var(--info)}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}
.badge-action{background:var(--action-soft);color:#96471F}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;font-size:12.5px;
  font-weight:500;background:var(--brand-soft);color:var(--brand-dark)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.14em;color:var(--brand);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);opacity:.6}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,237,.97);
  border-bottom:1px solid transparent;transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(16,32,30,.07)}
.brand-row{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--brand-dark)}
.logo-text em{font-style:normal;color:var(--action)}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;transition:color .2s var(--ease);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-dark);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{display:flex;align-items:center;height:44px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-input);padding:0 6px 0 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.search-box input{width:170px;height:100%;border:0;outline:none;background:transparent;font-size:14px}
.search-box input::placeholder{color:var(--ink-3)}
.search-box button{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:8px;color:var(--brand);transition:background-color .2s var(--ease)}
.search-box button:hover{background:var(--brand-soft)}
.menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--brand-dark)}
.menu-btn:hover{background:var(--brand-soft)}
.sub-rows{border-top:1px solid var(--line)}
.channel-row{display:flex;align-items:center;gap:22px;height:38px;font-size:14px;color:var(--ink-3)}
.channel-link{position:relative;white-space:nowrap;transition:color .2s var(--ease)}
.channel-link:hover{color:var(--brand)}
.channel-link.active{color:var(--brand-dark);font-weight:600}
.channel-link+.channel-link::before{content:"";position:absolute;left:-12px;top:50%;width:1px;height:12px;
  background:var(--line);transform:translateY(-50%)}
.trend-row{display:flex;align-items:center;gap:12px;height:36px;border-top:1px dashed var(--line)}
.trend-badge{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:6px;
  font-size:12px;font-weight:600;background:var(--info-soft);color:var(--info)}
.trend-tags{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.trend-tags::-webkit-scrollbar{display:none}
.tag-pill{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;white-space:nowrap;
  font-size:12.5px;background:var(--brand-soft);color:var(--brand-dark);transition:background-color .2s var(--ease),color .2s var(--ease)}
.tag-pill:hover{background:var(--brand);color:#fff}

/* ---------- 抽屉 ---------- */
.overlay{position:fixed;inset:0;background:rgba(16,32,30,.5);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:80}
.overlay.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .24s var(--ease);overflow-y:auto;padding:20px 22px 40px;
  box-shadow:-12px 0 32px rgba(16,32,30,.14)}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);color:var(--brand-dark)}
.drawer-close:hover{background:var(--brand-soft)}
.drawer-search{display:flex;align-items:center;height:46px;margin:20px 0;background:#FBFAF7;border:1px solid var(--line);
  border-radius:var(--r-input);padding:0 12px}
.drawer-search input{flex:1;border:0;outline:none;background:transparent;font-size:14px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;min-height:48px;font-size:15.5px;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);padding-left:6px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.drawer .btn{width:100%}

/* ---------- 页面头带 ---------- */
.page-hero{position:relative;min-height:310px;display:flex;align-items:center;color:#fff;
  background-image:linear-gradient(95deg,rgba(16,32,30,.90) 0%,rgba(16,32,30,.76) 48%,rgba(16,32,30,.54) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.82);transition:color .2s var(--ease)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.55;display:inline-flex}
.crumb .current{color:#8FC7BC}
.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:center}
.page-hero h1{font-size:40px;line-height:1.28;font-weight:700;letter-spacing:.01em;max-width:640px}
.page-hero .hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.hero-tags span{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:6px;
  font-size:12.5px;color:#CFE6E0;background:rgba(228,239,236,.14);border:1px solid rgba(228,239,236,.22)}
.summary-card{background:rgba(16,32,30,.55);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-block);
  padding:26px 24px;backdrop-filter:none}
.summary-card h2{font-size:15px;font-weight:600;color:#fff;letter-spacing:.04em}
.summary-list{margin-top:16px}
.summary-list li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:12px 0;border-top:1px solid rgba(255,255,255,.10)}
.summary-list li:first-child{border-top:0;padding-top:4px}
.summary-list .k{font-size:13.5px;color:rgba(255,255,255,.66)}
.summary-list .v{font-size:18px;font-weight:700;color:#fff}
.summary-list .v small{font-size:12px;font-weight:500;color:rgba(255,255,255,.6);margin-left:4px}

/* ---------- 锚点导航 ---------- */
.anchor-nav{position:sticky;top:var(--header-h);z-index:40;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);box-shadow:0 1px 6px rgba(16,32,30,.04)}
.anchor-nav .container{display:flex;align-items:center;gap:26px;height:56px;overflow-x:auto;scrollbar-width:none}
.anchor-nav .container::-webkit-scrollbar{display:none}
.anchor-link{position:relative;font-size:14.5px;color:var(--ink-3);white-space:nowrap;padding:6px 0;transition:color .2s var(--ease)}
.anchor-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--action);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.anchor-link:hover{color:var(--brand)}
.anchor-link.active{color:var(--brand-dark);font-weight:600}
.anchor-link.active::after{transform:scaleX(1)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#F1EEE7}
.section-white{background:#fff}
.section-dark{background:var(--dark);color:#fff;padding:104px 0}
.section-head{max-width:760px;margin-bottom:52px}
.section-head h2{font-size:32px;line-height:1.35;font-weight:700;margin-top:14px;color:var(--ink)}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.7)}
.section-dark .eyebrow{color:#8FC7BC}
.section-dark .eyebrow::before{background:#8FC7BC}

/* ---------- 交替图文条 ---------- */
.alt-row{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;padding:44px 0}
.alt-row+.alt-row{border-top:1px solid var(--line);margin-top:44px}
.alt-row.reverse{grid-template-columns:7fr 5fr}
.alt-row.reverse .alt-media{order:2}
.alt-media{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--brand-soft);
  border:1px solid var(--line);box-shadow:var(--sh-1);aspect-ratio:16/11}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.alt-media:hover img{transform:scale(1.03)}
.alt-media .fig-tag{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;height:26px;
  padding:0 12px;border-radius:6px;background:rgba(16,32,30,.72);color:#fff;font-size:12.5px}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  border:1.5px solid var(--brand);color:var(--brand);font-size:14px;font-weight:700;letter-spacing:.04em}
.alt-body h2{font-size:25px;line-height:1.42;font-weight:700;margin-top:18px;color:var(--ink)}
.alt-body p{margin-top:14px;color:var(--ink-2);font-size:15.5px;max-width:640px}
.point-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.point-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-2)}
.point-list li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:2px;
  background:var(--brand);opacity:.85}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.check-card{display:flex;gap:16px;padding:24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D9D2C4}
.check-icon{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:12px;background:var(--brand-soft);color:var(--brand-dark)}
.check-card h3{font-size:17.5px;font-weight:600;color:var(--ink);line-height:1.5}
.check-card p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;
  overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item:hover{border-color:#D6CFC0}
.faq-item.open{box-shadow:var(--sh-1);border-color:#CFE0DB}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
  min-height:62px;padding:16px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-icon{flex:0 0 auto;position:relative;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--brand);
  color:var(--brand);transition:transform .2s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;
  transform:translate(-50%,-50%)}
.faq-icon::before{width:11px;height:1.5px}
.faq-icon::after{width:1.5px;height:11px;transition:opacity .2s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:720px}

/* ---------- 相关推荐卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);transition:color .2s var(--ease)}
.rec-card:hover .rec-body h3{color:var(--brand)}
.rec-body p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);padding-top:14px;border-top:1px solid var(--line)}
.rec-foot .arrow{display:inline-flex;transition:transform .2s var(--ease);color:var(--brand)}
.rec-card:hover .rec-foot .arrow{transform:translateX(4px)}
.rec-card .link-cover{position:absolute;inset:0;z-index:3}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--dark);color:#fff;padding:88px 0}
.cta-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.cta-band h2{font-size:32px;line-height:1.35;font-weight:700}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.7);font-size:15.5px;max-width:520px}
.cta-form{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:8px;flex:1 1 200px}
.field label{font-size:13px;color:rgba(255,255,255,.72)}
.field input{height:46px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus{border-color:#8FC7BC;box-shadow:0 0 0 2px rgba(46,107,99,.45)}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:14px;width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.82);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:0}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.10)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700}
.footer-brand .logo-mark{background:rgba(228,239,236,.14);color:#8FC7BC}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6)}
.footer-contact b{display:inline-block;min-width:64px;color:rgba(255,255,255,.86);font-weight:600;margin-right:8px}
.site-footer h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.03em}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.66);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:#8FC7BC;padding-left:4px}
.footer-bottom{margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:22px;top:50%;transform:translateY(-50%) translateX(24px);z-index:50;
  display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 12px;border-radius:999px;
  background:var(--action);color:#fff;box-shadow:0 12px 28px rgba(197,98,47,.28);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background-color .2s var(--ease)}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.float-cta:hover{background:#B45726}
.float-cta span{writing-mode:vertical-rl;font-size:13.5px;letter-spacing:.16em;font-weight:600}
.float-cta.hide{opacity:0;visibility:hidden}
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:55;align-items:center;gap:14px;
  padding:12px 18px;background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(16,32,30,.08)}
.mobile-cta p{font-size:13px;color:var(--ink-2);line-height:1.5;flex:1}
.mobile-cta .btn{flex:0 0 auto}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:34px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav,.header-tools .search-box,.header-tools>.btn{display:none}
  .menu-btn{display:inline-flex}
  .sub-rows{display:none}
  .site-header.is-scrolled .sub-rows{display:none}
  :root{--header-h:64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero h1{font-size:31px}
  .section{padding:72px 0}
  .section-dark,.cta-band{padding:72px 0}
  .alt-row,.alt-row.reverse{grid-template-columns:1fr;gap:28px}
  .alt-row.reverse .alt-media{order:0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:40px}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(odd){padding-left:0;border-left:0}
  .cta-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  body{font-size:15.5px}
  .section{padding:60px 0}
  .section-dark,.cta-band{padding:64px 0}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:25px}
  .page-hero{min-height:auto;background-position:center right 20%}
  .page-hero .container{padding-top:44px;padding-bottom:44px}
  .page-hero h1{font-size:27px}
  .page-hero .hero-sub{font-size:15px}
  .summary-card{padding:20px}
  .alt-body h2{font-size:21px}
  .check-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .faq-q{padding:16px 18px;font-size:15.5px;min-height:56px}
  .faq-a-inner{padding:0 18px 20px}
  .float-cta{display:none}
  .mobile-cta{display:flex}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0;border-left:0;border-top:1px solid rgba(255,255,255,.10);padding-top:28px;margin-top:28px}
  .footer-col:first-child{border-top:0;padding-top:0;margin-top:0}
  .footer-bottom{margin-top:36px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:24px}
}
@media (max-width:520px){
  .page-hero h1{font-size:24px;line-height:1.35}
  .anchor-nav .container{gap:20px;height:52px}
  .logo-text{font-size:17px}
}

/* roulang page: article */
:root{
  --c-primary:#2E6B63;
  --c-primary-dark:#1F4B46;
  --c-primary-soft:#E4EFEC;
  --c-accent:#C5622F;
  --c-accent-soft:#FBEADF;
  --c-info:#3E5C74;
  --c-ink:#161C1B;
  --c-sub:#4A5654;
  --c-muted:#7C8A87;
  --c-bg:#F6F3ED;
  --c-card:#FFFFFF;
  --c-dark:#10201E;
  --c-line:#E5DFD4;
  --c-success:#3F8F6A;
  --c-warn:#A87B2E;
  --c-error:#B4453A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:999px;
  --r-tag:6px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(16,32,30,.05),0 8px 24px rgba(16,32,30,.06);
  --sh-2:0 12px 32px rgba(16,32,30,.10);
  --ease:cubic-bezier(.25,.8,.35,1);
  --header-h:108px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-sub);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.bg-soft{background:#F1EDE4}
.bg-dark{background:var(--c-dark);color:rgba(255,255,255,.78)}
.bg-dark h2,.bg-dark h3{color:#FBFAF7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-badge);
  padding:6px 14px;letter-spacing:.02em;
}
.eyebrow.is-info{color:var(--c-info);background:#E8EEF3}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.section-head h2{font-size:32px;line-height:1.35}
.section-head p{margin-top:12px;color:var(--c-muted);font-size:15px;max-width:640px}
.text-link{
  color:var(--c-primary);font-weight:600;font-size:15px;
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;
  transition:color .2s var(--ease);white-space:nowrap;
}
.text-link:hover{color:var(--c-accent)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(197,98,47,.22)}
.btn-primary:hover{background:#AE5326;transform:translateY(-2px);box-shadow:0 10px 24px rgba(197,98,47,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(197,98,47,.2)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,237,.94);
  border-bottom:1px solid rgba(229,223,212,.7);
  transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 20px rgba(16,32,30,.07);
}
.brand-row{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.02em}
.logo-text em{font-style:normal;color:var(--c-primary)}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;min-width:0}
.nav-link{
  position:relative;padding:10px 12px;font-size:15px;font-weight:500;color:var(--c-sub);
  border-radius:8px;transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:rgba(228,239,236,.7)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;height:44px;border:1px solid var(--c-line);
  background:#FBFAF7;border-radius:var(--r-btn);padding:0 6px 0 14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(46,107,99,.16)}
.search-box input{
  width:150px;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-ink);
}
.search-box input::placeholder{color:var(--c-muted)}
.search-box button{
  width:32px;height:32px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);transition:background .2s var(--ease);
}
.search-box button:hover{background:var(--c-primary-soft)}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);align-items:center;justify-content:center;color:var(--c-ink);
}
.menu-btn:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.sub-rows{
  overflow:hidden;max-height:120px;
  transition:max-height .26s var(--ease),opacity .2s var(--ease),padding .26s var(--ease);
}
.site-header.is-stuck .sub-rows{max-height:0;opacity:0}
.channel-row{
  display:flex;align-items:center;gap:18px;height:36px;
  border-top:1px solid rgba(229,223,212,.75);
  overflow-x:auto;scrollbar-width:none;
}
.channel-row::-webkit-scrollbar{display:none}
.channel-link{
  font-size:14px;color:var(--c-muted);white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel-link:hover{color:var(--c-primary)}
.channel-link.active{color:var(--c-primary);font-weight:600}
.channel-sep{width:1px;height:12px;background:var(--c-line);flex-shrink:0}
.trend-toggle{
  margin-left:auto;font-size:13px;color:var(--c-info);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.trend-toggle:hover{color:var(--c-primary)}
.trend-row{display:flex;align-items:center;gap:10px;height:44px;overflow-x:auto;scrollbar-width:none}
.trend-row::-webkit-scrollbar{display:none}
.trend-badge{
  flex-shrink:0;font-size:12px;font-weight:600;color:#fff;background:var(--c-info);
  border-radius:var(--r-tag);padding:3px 8px;letter-spacing:.04em;
}
.trend-chip{
  flex-shrink:0;font-size:13px;color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:var(--r-badge);padding:6px 14px;transition:background .2s var(--ease),color .2s var(--ease);
}
.trend-chip:hover{background:var(--c-primary);color:#fff}

/* ============ 抽屉 ============ */
.overlay{
  position:fixed;inset:0;background:rgba(16,32,30,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.overlay.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:90;
  background:#fff;padding:20px;overflow-y:auto;
  transform:translateX(102%);transition:transform .26s var(--ease);
  box-shadow:-12px 0 32px rgba(16,32,30,.14);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--c-line)}
.drawer-links a{
  min-height:48px;display:flex;align-items:center;font-size:15px;color:var(--c-ink);
  border-bottom:1px solid rgba(229,223,212,.75);
}
.drawer-links a:hover{color:var(--c-primary)}
.drawer-links a.active{color:var(--c-primary);font-weight:600}
.drawer-search{
  display:flex;align-items:center;height:46px;border:1px solid var(--c-line);background:#FBFAF7;
  border-radius:var(--r-btn);padding:0 6px 0 14px;margin:20px 0;
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-ink);min-width:0}
.drawer-search button{width:34px;height:34px;border-radius:8px;color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center}
.drawer-search button:hover{background:var(--c-primary-soft)}
.drawer-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.drawer-cta{width:100%}

/* ============ 文章头带 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-muted);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .current{color:var(--c-primary)}
.breadcrumb svg{opacity:.6}
.article-hero{
  position:relative;background:#F1EDE4;
  padding:52px 0 0;overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.10;
}
.article-hero > .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;
  color:var(--c-info);background:#E8EEF3;border-radius:var(--r-badge);padding:6px 14px;margin-bottom:20px;
}
.article-hero h1{
  font-size:40px;line-height:1.28;max-width:900px;letter-spacing:.01em;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:22px;font-size:13px;color:var(--c-muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C2B4}
.hero-figure{
  margin:40px auto -56px;max-width:1200px;
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);background:#fff;
}
.hero-figure .ratio{position:relative;width:100%;aspect-ratio:21/9;background:#E7E1D5}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ============ 文章布局 ============ */
.article-main-wrap{padding:104px 0 96px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:56px;align-items:start;
}
.article-body{
  max-width:800px;font-size:16px;line-height:1.85;color:var(--c-sub);letter-spacing:.01em;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:28px;line-height:1.4;margin:48px 0 16px;color:var(--c-ink);
  scroll-margin-top:100px;
}
.article-body h3{font-size:22px;line-height:1.5;margin:34px 0 12px;color:var(--c-ink);scroll-margin-top:100px}
.article-body p{margin:0 0 1.15em}
.article-body strong{color:var(--c-ink);font-weight:600}
.article-body a{color:var(--c-info);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--c-accent)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--c-primary);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.32em;
  width:20px;height:20px;border-radius:50%;border:1px solid var(--c-primary);
  color:var(--c-primary);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;border-left:4px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--c-sub);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;height:auto;border-radius:var(--r-img);margin:24px 0 8px;
  border:1px solid var(--c-line);
}
.article-body figure{margin:24px 0}
.article-body figcaption{
  font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px;line-height:1.6;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;
}
.article-body thead th{
  background:#F1EDE4;color:var(--c-ink);font-weight:600;text-align:left;
}
.article-body th,.article-body td{
  padding:12px 16px;border-bottom:1px solid var(--c-line);line-height:1.7;
}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:40px 0}

/* 目录 */
.article-toc{position:sticky;top:120px}
.toc-title{
  font-size:13px;font-weight:600;color:var(--c-muted);letter-spacing:.06em;
  text-transform:uppercase;margin-bottom:14px;
}
.toc-list{border-left:1px solid var(--c-line);display:flex;flex-direction:column}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--c-muted);
  padding:7px 0 7px 14px;border-left:2px solid transparent;margin-left:-1px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--c-primary)}
.toc-list a.active{color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600}
.toc-empty{font-size:13px;color:var(--c-muted);padding-left:14px;border-left:1px solid var(--c-line)}

/* 文末模块 */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:48px 0 0}
.tag{
  font-size:13px;font-weight:500;color:var(--c-sub);background:#F1EDE4;
  border-radius:var(--r-tag);padding:6px 12px;transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.article-foot{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line);
}
.share-group{display:flex;align-items:center;gap:10px}
.share-label{font-size:13px;color:var(--c-muted)}
.share-btn{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-sub);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.share-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-2px)}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-nav-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D0C0}
.post-nav-card .label{font-size:13px;color:var(--c-muted);display:block;margin-bottom:8px}
.post-nav-card .name{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.55}
.post-nav-card:hover .name{color:var(--c-primary)}
.post-nav-card.is-next{text-align:right}
.back-row{margin-top:28px}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);max-width:800px;
}
.empty-state .icon{
  width:56px;height:56px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:24px}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D0C0}
.card-thumb{position:relative;width:100%;aspect-ratio:16/9;background:#E7E1D5;overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.card-badge{
  align-self:flex-start;font-size:12px;font-weight:500;color:var(--c-info);
  background:#E8EEF3;border-radius:var(--r-badge);padding:4px 12px;margin-bottom:12px;
}
.card h3{
  font-size:18px;line-height:1.55;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.card:hover h3{color:var(--c-primary)}
.card p{
  margin-top:10px;font-size:14.5px;color:var(--c-muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);
}
.card-link{position:absolute;inset:0;z-index:1}

/* ============ CTA ============ */
.cta-band{background:var(--c-dark);color:rgba(255,255,255,.78);padding:72px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-inner h2{color:#FBFAF7;font-size:30px;line-height:1.4;max-width:560px}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.68);font-size:15px;max-width:560px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  height:46px;min-width:220px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.45)}
.cta-form input:focus{border-color:#8FC7BC;background:rgba(255,255,255,.1);box-shadow:0 0 0 2px rgba(143,199,188,.28)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 32px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-col{min-width:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .logo-text{color:#FBFAF7;font-size:17px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-contact b{color:#FBFAF7;font-weight:600;margin-right:8px}
.footer-col h3{font-size:15px;color:#FBFAF7;margin-bottom:18px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.65);transition:color .2s var(--ease)}
.footer-links a:hover{color:#8FC7BC}
.footer-bottom{
  padding-top:24px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 移动端底部 CTA ============ */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  padding:12px 20px;display:none;align-items:center;justify-content:space-between;gap:14px;
  box-shadow:0 -6px 20px rgba(16,32,30,.08);
}
.mobile-cta span{font-size:14px;color:var(--c-sub)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 200px;gap:40px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .menu-btn{display:inline-flex}
  .search-box{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-toc{display:none}
  .article-hero h1{font-size:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .article-main-wrap{padding:80px 0 72px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand-row{height:64px;gap:12px}
  .logo-text{font-size:16px}
  .site-header.is-stuck .sub-rows{max-height:0}
  .article-hero{padding:36px 0 0}
  .article-hero h1{font-size:28px;line-height:1.32}
  .hero-figure{margin:28px auto 0;border-radius:var(--r-img)}
  .hero-figure .ratio{aspect-ratio:16/9}
  .article-main-wrap{padding:56px 0 64px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:23px;margin:38px 0 14px}
  .article-body h3{font-size:19px;margin:28px 0 10px}
  .post-nav{grid-template-columns:1fr;gap:14px}
  .post-nav-card.is-next{text-align:left}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .section-head h2{font-size:24px}
  .cta-band{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .cta-form input{min-width:0;width:100%}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-desc{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-cta{display:flex}
  body{padding-bottom:72px}
}
@media (max-width:520px){
  .article-meta{gap:8px;font-size:12.5px}
  .card-body{padding:20px}
  .empty-state{padding:48px 20px}
}

/* roulang page: category2 */
:root{
  --primary:#2E6B63;
  --primary-dark:#1F4B46;
  --primary-soft:#E4EFEC;
  --primary-light:#8FC7BC;
  --accent:#C5622F;
  --accent-dark:#AD5223;
  --accent-soft:#FBEADF;
  --info:#3E5C74;
  --info-soft:#E7EDF2;
  --ink:#161C1B;
  --sub:#4A5654;
  --muted:#7C8A87;
  --bg:#F6F3ED;
  --bg-alt:#FBFAF7;
  --card:#FFFFFF;
  --dark:#10201E;
  --line:#E5DFD4;
  --success:#3F8F6A;
  --warn:#A87B2E;
  --error:#B4453A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(16,32,30,.05), 0 8px 24px rgba(16,32,30,.06);
  --shadow-2:0 12px 32px rgba(16,32,30,.10);
  --ease:cubic-bezier(.25,.8,.35,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color 200ms var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:1024px){.container{padding:0 24px}}
@media (max-width:520px){.container{padding:0 20px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(197,98,47,.22)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(197,98,47,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(228,239,236,.16);border-color:var(--primary-light)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:15px;font-weight:600;
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color 200ms var(--ease),border-color 200ms var(--ease);
}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;line-height:1.6;padding:3px 10px;border-radius:999px}
.badge-info{background:var(--info-soft);color:var(--info)}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-soft{background:var(--primary-soft);color:var(--primary)}
.badge-square{border-radius:6px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.brand-row{display:flex;align-items:center;gap:24px;height:72px}
@media (max-width:1024px){.brand-row{height:64px}}

.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.02em;white-space:nowrap;color:var(--ink)}
.logo-text em{font-style:normal;color:var(--primary)}

.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--sub);
  transition:color 200ms var(--ease),background-color 200ms var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
@media (max-width:1024px){.main-nav{display:none}}

.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-btn);
  overflow:hidden;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft)}
.search-box input{
  width:180px;height:44px;padding:0 14px;border:0;background:transparent;
  font-size:14px;color:var(--ink);outline:none;
}
.search-box input::placeholder{color:var(--muted)}
.search-box button{
  width:42px;height:44px;display:grid;place-items:center;
  border:0;background:transparent;color:var(--muted);
  transition:color 200ms var(--ease),background-color 200ms var(--ease);
}
.search-box button:hover{color:var(--primary);background:var(--primary-soft)}
@media (max-width:768px){.search-box{display:none}}

.menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--sub);
  place-items:center;transition:background-color 200ms var(--ease),color 200ms var(--ease);
}
.menu-btn:hover{background:var(--primary-soft);color:var(--primary)}
@media (max-width:1024px){.menu-btn{display:grid}}

.sub-rows{max-height:120px;overflow:hidden;opacity:1;transition:max-height 240ms var(--ease),opacity 200ms var(--ease)}
.site-header.is-scrolled .sub-rows{max-height:0;opacity:0}

.channel-row{
  display:flex;align-items:center;height:36px;overflow-x:auto;
  border-top:1px solid var(--line);scrollbar-width:none;
}
.channel-row::-webkit-scrollbar{display:none}
.channel-link{
  font-size:14px;color:var(--muted);padding:6px 16px;white-space:nowrap;
  transition:color 200ms var(--ease);
}
.channel-link + .channel-link{border-left:1px solid var(--line)}
.channel-link:hover{color:var(--primary)}
.channel-link.active{color:var(--primary);font-weight:600}

.trend-row{display:flex;align-items:center;gap:10px;padding:6px 0 10px;overflow-x:auto;scrollbar-width:none}
.trend-row::-webkit-scrollbar{display:none}
.trend-badge{
  flex-shrink:0;font-size:12px;line-height:1.6;padding:2px 8px;border-radius:6px;
  background:var(--info-soft);color:var(--info);
}
.trend-tag{
  flex-shrink:0;font-size:13px;line-height:1.6;padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);white-space:nowrap;
  transition:background-color 200ms var(--ease),color 200ms var(--ease);
}
.trend-tag:hover{background:var(--primary);color:#fff}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(16,32,30,.5);
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:86vw;max-width:360px;
  background:#fff;padding:20px;overflow-y:auto;
  display:flex;flex-direction:column;gap:22px;
  transform:translateX(100%);transition:transform 240ms var(--ease);
  box-shadow:-12px 0 32px rgba(16,32,30,.12);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--sub);display:grid;place-items:center;
  transition:background-color 200ms var(--ease),color 200ms var(--ease);
}
.drawer-close:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-search{display:flex;border:1px solid var(--line);border-radius:var(--r-btn);overflow:hidden;background:var(--bg-alt)}
.drawer-search input{flex:1;height:44px;border:0;background:transparent;padding:0 14px;font-size:14px;outline:none}
.drawer-search button{width:44px;height:44px;border:0;background:transparent;color:var(--muted);display:grid;place-items:center}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  min-height:48px;display:flex;align-items:center;
  font-size:15px;color:var(--sub);border-bottom:1px solid var(--line);
  transition:color 200ms var(--ease),padding-left 200ms var(--ease);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--primary);padding-left:6px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--dark);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(16,32,30,.92) 0%,rgba(16,32,30,.78) 55%,rgba(31,75,70,.72) 100%);
}
.hero-inner{
  position:relative;z-index:1;
  max-width:1200px;margin:0 auto;padding:52px 32px 60px;
  min-height:300px;
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:center;
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:44px 24px 52px}
}
@media (max-width:520px){
  .hero-inner{padding:36px 20px 44px;min-height:0}
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;line-height:1.6;color:rgba(255,255,255,.68);margin-bottom:18px;
}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .current{color:var(--primary-light)}
.page-hero h1{
  font-size:46px;font-weight:700;line-height:1.25;letter-spacing:.01em;
  margin:16px 0 14px;color:#fff;
}
@media (max-width:1024px){.page-hero h1{font-size:36px}}
@media (max-width:520px){.page-hero h1{font-size:28px}}
.hero-sub{font-size:18px;line-height:1.7;color:rgba(255,255,255,.88);margin-bottom:12px}
.hero-desc{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

.hero-card{
  background:#fff;color:var(--ink);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-2);
}
.hero-card h2{font-size:16px;font-weight:700;margin-bottom:6px}
.hero-card .hero-card-note{font-size:13px;line-height:1.7;color:var(--muted);margin-bottom:8px}
.hero-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.hero-stat:last-child{border-bottom:0;padding-bottom:0}
.hero-stat b{font-size:22px;font-weight:700;color:var(--primary-dark);letter-spacing:.02em}
.hero-stat span{font-size:13px;color:var(--muted)}

/* ============ 锚点导航 ============ */
.anchor-nav{
  position:sticky;top:var(--nav-h);z-index:50;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(16,32,30,.04);
}
@media (max-width:1024px){:root{--nav-h:64px}}
.anchor-nav ul{display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.anchor-nav ul::-webkit-scrollbar{display:none}
.anchor-nav a{
  display:inline-block;padding:8px 16px;border-radius:999px;white-space:nowrap;
  font-size:14px;color:var(--sub);
  transition:background-color 200ms var(--ease),color 200ms var(--ease);
}
.anchor-nav a:hover{background:var(--primary-soft);color:var(--primary)}

/* ============ 分区 ============ */
.section{padding:96px 0;scroll-margin-top:150px}
@media (max-width:1024px){.section{padding:72px 0}}
@media (max-width:520px){.section{padding:56px 0}}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--dark);color:#fff}
.section-dark .lead{color:rgba(255,255,255,.72)}

.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;padding:4px 12px;border-radius:6px;
  background:var(--primary-soft);color:var(--primary);margin-bottom:16px;
}
.section h2{font-size:32px;font-weight:700;line-height:1.35;margin-bottom:14px}
@media (max-width:520px){.section h2{font-size:26px}}
.section h3{font-size:19px;font-weight:600;line-height:1.5}
.lead{font-size:16px;line-height:1.85;color:var(--sub)}

/* ============ 图文集网格 ============ */
.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
@media (max-width:768px){.gallery-grid{grid-template-columns:1fr;gap:20px}}
.gallery-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.gallery-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.gallery-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--primary-soft)}
.gallery-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease)}
.gallery-card:hover .gallery-media img{transform:scale(1.03)}
.gallery-no{
  position:absolute;left:16px;top:16px;border-radius:6px;
  background:rgba(16,32,30,.72);color:#fff;font-size:12px;line-height:1.6;padding:3px 10px;
  backdrop-filter:blur(2px);
}
.gallery-body{padding:24px 28px 28px}
@media (max-width:520px){.gallery-body{padding:20px}}
.gallery-body h3{margin-bottom:10px;transition:color 200ms var(--ease)}
.gallery-card:hover .gallery-body h3{color:var(--primary)}
.gallery-body p{font-size:15px;line-height:1.8;color:var(--sub)}
.gallery-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ============ 要点清单 ============ */
.points-wrap{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:56px;align-items:start}
@media (max-width:1024px){.points-wrap{grid-template-columns:1fr;gap:32px}}
.points-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:768px){.points-list{grid-template-columns:1fr}}
.points-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-img);
  padding:16px 18px;font-size:15px;line-height:1.75;color:var(--sub);
  transition:border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.points-list li:hover{border-color:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.point-icon{
  flex:0 0 22px;width:22px;height:22px;border-radius:6px;margin-top:4px;
  background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;
}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media (max-width:1024px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 24px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--primary-light)}
.step-num{
  width:38px;height:38px;border-radius:999px;margin-bottom:16px;
  border:1.5px solid var(--primary);color:var(--primary);background:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14.5px;line-height:1.8;color:var(--sub)}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;min-height:62px;padding:14px 4px;border:0;background:transparent;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform 200ms var(--ease),background-color 200ms var(--ease);
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-item.open .faq-a{max-height:460px}
.faq-a p{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--sub);max-width:760px}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:48px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);
  gap:44px;align-items:center;
}
@media (max-width:1024px){.cta-band{grid-template-columns:1fr;gap:32px;padding:36px}}
@media (max-width:520px){.cta-band{padding:28px 22px;border-radius:var(--r-card)}}
.cta-band h2{font-size:30px;line-height:1.35;margin-bottom:12px;color:#fff}
@media (max-width:520px){.cta-band h2{font-size:24px}}
.cta-band p{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:520px}
.cta-form{display:grid;gap:14px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:6px}
.field input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;outline:none;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease);
}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus{border-color:var(--primary-light);background:rgba(255,255,255,.12);box-shadow:0 0 0 2px rgba(143,199,188,.25)}
.field .field-error{display:none;font-size:13px;color:#E79A90;margin-top:6px}
.field.has-error input{border-color:#D98A80}
.field.has-error .field-error{display:block}
.form-note{font-size:13px;line-height:1.7;color:rgba(255,255,255,.58)}
.form-msg{display:none;font-size:14px;color:var(--primary-light);margin-top:4px}
.form-msg.show{display:block}

/* ============ 相关推荐 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:1024px){.rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.rec-grid{grid-template-columns:1fr}}
.rec-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rec-media{aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft)}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease)}
.rec-card:hover .rec-media img{transform:scale(1.03)}
.rec-body{padding:20px 22px 24px}
.rec-body h3{font-size:17px;margin:12px 0 8px;transition:color 200ms var(--ease)}
.rec-card:hover .rec-body h3{color:var(--primary)}
.rec-body p{font-size:14px;line-height:1.75;color:var(--muted)}
.rec-more{display:flex;justify-content:center;margin-top:40px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(246,243,237,.86);padding:72px 0 0}
@media (max-width:520px){.site-footer{padding:52px 0 0}}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
@media (max-width:1024px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(143,199,188,.14);color:var(--primary-light)}
.footer-brand .logo-text{color:#fff;font-size:17px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin-bottom:20px;max-width:340px}
.footer-contact{display:grid;gap:8px;font-size:13.5px;color:rgba(255,255,255,.68)}
.footer-contact b{color:#fff;font-weight:600;margin-right:8px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color 200ms var(--ease)}
.footer-links a:hover{color:var(--primary-light)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* roulang page: category4 */
:root{
  --c-primary:#2E6B63;
  --c-primary-dark:#1F4B46;
  --c-primary-soft:#E4EFEC;
  --c-accent:#C5622F;
  --c-accent-dark:#A8501F;
  --c-accent-soft:#FBEADF;
  --c-info:#3E5C74;
  --c-info-soft:#E9EFF4;
  --c-ink:#161C1B;
  --c-text:#4A5654;
  --c-muted:#7C8A87;
  --c-bg:#F6F3ED;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBFAF7;
  --c-dark:#10201E;
  --c-line:#E5DFD4;
  --c-success:#3F8F6A;
  --c-warn:#A87B2E;
  --c-danger:#B4453A;
  --r-card:14px; --r-img:12px; --r-btn:10px; --r-input:10px; --r-pill:999px; --r-tag:6px; --r-block:20px;
  --sh-card:0 1px 2px rgba(16,32,30,.05),0 8px 24px rgba(16,32,30,.06);
  --sh-hover:0 12px 32px rgba(16,32,30,.10);
  --ease:cubic-bezier(.25,.8,.35,1);
  --header-h:72px;
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
}
@media (max-width:1023px){:root{--header-h:64px;}}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:var(--font-sans);font-size:16px;line-height:1.8;letter-spacing:.01em;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;}
.skip-link:focus{left:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:1023px){.container{padding:0 24px;}}
@media (max-width:639px){.container{padding:0 20px;}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .24s var(--ease),background-color .24s var(--ease);}
.site-header.is-stuck{background:rgba(255,255,255,.96);box-shadow:0 1px 2px rgba(16,32,30,.05),0 8px 24px rgba(16,32,30,.07);}
.brand-row{display:flex;align-items:center;gap:24px;height:72px;}
@media (max-width:1023px){.brand-row{height:64px;gap:14px;}}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);border:1px solid rgba(46,107,99,.18);}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--c-ink);}
.logo-text em{font-style:normal;color:var(--c-accent);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1 1 auto;min-width:0;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 13px;border-radius:8px;font-size:15px;font-weight:500;color:var(--c-text);white-space:nowrap;}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);}
.header-tools{display:flex;align-items:center;gap:12px;flex:none;margin-left:auto;}
.search-box{display:flex;align-items:center;height:44px;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-surface-2);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-primary-soft);}
.search-box input{width:172px;height:100%;padding:0 6px 0 14px;border:0;background:transparent;font-size:14px;outline:none;}
.search-box input::placeholder{color:var(--c-muted);}
.search-box button{display:inline-flex;align-items:center;justify-content:center;width:46px;height:100%;color:var(--c-primary);transition:background-color .2s var(--ease);}
.search-box button:hover{background:var(--c-primary-soft);}
.menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);color:var(--c-primary);background:#fff;}
.menu-btn:hover{background:var(--c-primary-soft);}
@media (max-width:1023px){
  .main-nav,.search-box{display:none;}
  .menu-btn{display:inline-flex;}
}
.sub-rows{max-height:120px;overflow:hidden;transition:max-height .26s var(--ease),opacity .2s var(--ease);border-top:1px solid var(--c-line);}
.site-header.is-stuck .sub-rows{max-height:0;opacity:0;border-top-color:transparent;}
.channel-row{display:flex;align-items:center;gap:6px;height:38px;overflow-x:auto;scrollbar-width:none;}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:100%;padding:0 12px;font-size:14px;color:var(--c-muted);white-space:nowrap;}
.channel-link:hover{color:var(--c-primary);}
.channel-link.active{color:var(--c-primary);font-weight:600;}
.channel-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;background:var(--c-primary);}
.trend-row{display:flex;align-items:center;gap:10px;height:36px;padding-bottom:6px;overflow:hidden;}
.trend-badge{flex:none;display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--r-tag);background:var(--c-info-soft);color:var(--c-info);font-size:12px;font-weight:600;}
.trend-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.trend-scroll::-webkit-scrollbar{display:none;}
.trend-pill{flex:none;display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:500;}
.trend-pill:hover{background:var(--c-primary);color:#fff;}
@media (max-width:1023px){.channel-row,.trend-row{display:none;}}

/* ---------- Drawer ---------- */
.drawer-overlay{position:fixed;inset:0;z-index:80;background:rgba(16,32,30,.45);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);}
.drawer-overlay.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;z-index:90;width:84vw;max-width:360px;height:100%;background:#fff;padding:20px;overflow-y:auto;transform:translateX(102%);transition:transform .26s var(--ease);box-shadow:-8px 0 32px rgba(16,32,30,.14);}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);color:var(--c-text);}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-search{display:flex;align-items:center;height:44px;margin:18px 0;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-surface-2);padding-left:14px;}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;}
.drawer-search button{display:inline-flex;align-items:center;justify-content:center;width:46px;height:100%;color:var(--c-primary);}
.drawer-links{display:flex;flex-direction:column;}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--c-text);}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-link.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}
.drawer-sub{margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);}
.drawer-sub h4{font-size:13px;font-weight:600;color:var(--c-muted);margin-bottom:10px;letter-spacing:.04em;}
.drawer-trends{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-cta{margin-top:22px;}
.drawer-cta .btn{width:100%;}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-dark);padding:52px 0 60px;}
.page-hero-bg{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(16,32,30,.88),rgba(16,32,30,.76)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;background-repeat:no-repeat;}
.page-hero-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{display:inline-flex;color:rgba(255,255,255,.4);}
.breadcrumb .current{color:#8FC7BC;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.1em;color:#8FC7BC;margin-bottom:16px;}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--c-accent);}
.page-hero h1{font-size:clamp(30px,4vw,48px);line-height:1.25;font-weight:700;color:#fff;letter-spacing:.01em;max-width:20ch;}
.page-hero h1 span{color:#9FD3C7;}
.hero-sub{margin-top:20px;max-width:46ch;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-block);padding:26px;backdrop-filter:none;}
.hero-card-title{font-size:15px;font-weight:600;color:#fff;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12);letter-spacing:.04em;}
.stat-list{margin-top:6px;}
.stat-item{display:flex;align-items:baseline;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.stat-item:last-child{border-bottom:0;}
.stat-num{flex:none;min-width:76px;font-size:20px;font-weight:700;color:#9FD3C7;font-family:"HarmonyOS Sans SC",system-ui,sans-serif;}
.stat-text{font-size:14px;color:rgba(255,255,255,.76);line-height:1.6;}
@media (max-width:1023px){
  .page-hero{padding:38px 0 48px;min-height:0;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .page-hero h1{max-width:none;}
  .hero-card{padding:22px;}
}

/* ---------- Anchor nav ---------- */
.anchor-nav{position:sticky;top:var(--header-h);z-index:40;background:#fff;border-bottom:1px solid var(--c-line);}
.anchor-inner{display:flex;align-items:center;gap:4px;height:56px;overflow-x:auto;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-label{flex:none;font-size:12px;font-weight:600;color:var(--c-muted);letter-spacing:.06em;padding-right:12px;margin-right:6px;border-right:1px solid var(--c-line);}
.anchor-link{position:relative;flex:none;display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:var(--r-pill);font-size:14px;color:var(--c-text);}
.anchor-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.anchor-link.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}

/* ---------- Sections ---------- */
.section{padding:96px 0;scroll-margin-top:calc(var(--header-h) + 72px);}
.section-alt{background:#fff;}
.section-dark{background:var(--c-dark);color:#fff;}
@media (max-width:1023px){.section{padding:64px 0;}}
@media (max-width:639px){.section{padding:56px 0;}}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{color:var(--c-primary);}
.section-head .eyebrow::before{background:var(--c-accent);}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:700;letter-spacing:.01em;}
.section-title.serif{font-family:var(--font-serif);font-weight:700;}
.section-desc{margin-top:14px;font-size:16px;color:var(--c-text);line-height:1.85;max-width:42ch;}
.section-dark .section-desc{color:rgba(255,255,255,.68);}
.section-dark .section-title{color:#fff;}

/* ---------- Compare ---------- */
.compare-wrap{display:grid;grid-template-columns:minmax(0,1fr) 1px minmax(0,1fr);gap:0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;}
.compare-col{padding:36px;}
.compare-divider{background:var(--c-line);}
.compare-title{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:600;}
.compare-title .dot{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--c-primary-soft);color:var(--c-primary);}
.compare-col:last-child .compare-title .dot{background:var(--c-accent-soft);color:var(--c-accent);}
.compare-note{margin-top:10px;font-size:14px;color:var(--c-muted);line-height:1.7;}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.check-item{display:flex;gap:12px;font-size:15px;color:var(--c-text);line-height:1.7;}
.check-icon{flex:none;margin-top:3px;color:var(--c-primary);}
.compare-col:last-child .check-icon{color:var(--c-accent);}
@media (max-width:1023px){
  .compare-wrap{grid-template-columns:1fr;}
  .compare-divider{height:1px;width:auto;}
  .compare-col{padding:26px 22px;}
}

/* ---------- Q&A rows ---------- */
.qa-list{border-top:1px solid var(--c-line);}
.qa-item{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);border-bottom:1px solid var(--c-line);}
.qa-q{padding:30px 32px 30px 0;border-right:1px solid var(--c-line);}
.qa-q h3{font-size:19px;font-weight:600;line-height:1.5;}
.qa-q .idx{display:block;font-size:13px;color:var(--c-accent);font-weight:600;letter-spacing:.08em;margin-bottom:8px;}
.qa-a{padding:30px 0 30px 32px;}
.qa-a p{font-size:16px;line-height:1.85;color:var(--c-text);}
.qa-points{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-tag);background:var(--c-info-soft);color:var(--c-info);font-size:12.5px;font-weight:500;}
.tag-soft{background:var(--c-primary-soft);color:var(--c-primary);}
@media (max-width:1023px){
  .qa-item{grid-template-columns:1fr;}
  .qa-q{padding:24px 0 12px;border-right:0;border-bottom:1px dashed var(--c-line);}
  .qa-a{padding:16px 0 26px;}
}

/* ---------- Shots ---------- */
.shot-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:start;}
.shot-figure{border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;background:#fff;box-shadow:var(--sh-card);}
.shot-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot-caption{padding:16px 20px;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);background:var(--c-surface-2);}
.shot-side h3{font-size:18px;font-weight:600;margin-bottom:16px;}
.shot-side .check-item{padding:12px 0;border-bottom:1px solid var(--c-line);}
.shot-side .check-item:last-child{border-bottom:0;}
.shot-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px;}
.shot-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.shot-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.shot-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.shot-card-body{padding:20px 22px 24px;}
.shot-card-body h4{font-size:17px;font-weight:600;margin-bottom:8px;}
.shot-card-body p{font-size:14.5px;line-height:1.75;color:var(--c-text);}
@media (max-width:1023px){
  .shot-grid{grid-template-columns:1fr;gap:28px;}
  .shot-cards{grid-template-columns:1fr;gap:18px;}
}

/* ---------- Rules (dark) ---------- */
.data-block{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:52px;}
.data-item{border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:26px;}
.data-num{font-size:32px;font-weight:700;color:#9FD3C7;line-height:1.2;}
.data-label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.6;}
.rules-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rules-item{display:flex;gap:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.82);}
.rules-item .num{flex:none;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;border:1px solid rgba(255,255,255,.28);font-size:12.5px;font-weight:600;color:#9FD3C7;margin-top:2px;}
@media (max-width:1023px){
  .data-block,.rules-list{grid-template-columns:1fr;gap:16px;}
  .data-block{margin-bottom:36px;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:box-shadow .22s var(--ease),border-color .22s var(--ease);}
.faq-item:hover{border-color:rgba(46,107,99,.35);}
.faq-item.open{box-shadow:var(--sh-card);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;min-height:60px;padding:14px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--c-ink);}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{flex:none;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);transition:transform .22s var(--ease),background-color .22s var(--ease);}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--c-accent-soft);color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-text);}
@media (max-width:639px){.faq-q{padding:14px 18px;font-size:15.5px;}.faq-a-inner{padding:0 18px 20px;}}

/* ---------- Related cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.rec-card:hover .rec-title{color:var(--c-primary);}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.rec-badge{align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-info-soft);color:var(--c-info);font-size:12.5px;font-weight:500;margin-bottom:12px;}
.rec-title{font-size:18px;font-weight:600;line-height:1.5;transition:color .2s var(--ease);}
.rec-desc{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.rec-meta{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.rec-meta .arrow{display:inline-flex;color:var(--c-primary);}
@media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media (max-width:639px){.card-grid{grid-template-columns:1fr;gap:18px;}}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-dark);color:#fff;padding:80px 0;scroll-margin-top:calc(var(--header-h) + 72px);}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:48px;align-items:center;}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:40ch;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;}
.field{flex:1 1 240px;display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:rgba(255,255,255,.72);}
.field input{height:46px;padding:0 14px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);color:#fff;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.field input::placeholder{color:rgba(255,255,255,.45);}
.field input:focus{border-color:#9FD3C7;box-shadow:0 0 0 2px rgba(159,211,199,.28);}
.cta-form .btn{flex:none;}
@media (max-width:1023px){
  .cta-band{padding:64px 0;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:32px;}
.footer-col{padding-left:32px;border-left:1px solid rgba(255,255,255,.10);}
.footer-col:first-child{padding-left:0;border-left:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#9FD3C7;}
.footer-brand .logo-text{color:#fff;font-size:18px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:34ch;}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-contact b{color:#fff;font-weight:600;margin-right:8px;}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:#8FC7BC;}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-col{padding-left:0;border-left:0;}
}
@media (max-width:639px){
  .site-footer{padding:56px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* ---------- Floating CTA ---------- */
.float-cta{position:fixed;right:22px;top:50%;transform:translateY(-50%) translateX(16px);z-index:70;display:inline-flex;flex-direction:column;align-items:center;gap:8px;padding:14px 10px;border-radius:var(--r-pill);background:var(--c-accent);color:#fff;box-shadow:var(--sh-card);writing-mode:vertical-rl;font-size:14px;font-weight:600;letter-spacing:.14em;opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease),transform .24s var(--ease),background-color .2s var(--ease);}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0);}
.float-cta:hover{background:var(--c-accent-dark);}
.float-cta svg{writing-mode:horizontal-tb;}
@media (max-width:1023px){.float-cta{display:none;}}
.mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);box-shadow:0 -6px 24px rgba(16,32,30,.08);}
.mobile-cta span{font-size:13.5px;color:var(--c-text);line-height:1.4;}
.mobile-cta .btn{min-height:42px;padding:0 16px;font-size:14px;}
@media (max-width:1023px){.mobile-cta{display:flex;}body{padding-bottom:64px;}}

/* roulang page: category3 */
:root{
  --primary:#2E6B63;
  --primary-dark:#1F4B46;
  --primary-soft:#E4EFEC;
  --action:#C5622F;
  --action-dark:#AD5226;
  --action-soft:#FBEADF;
  --info:#3E5C74;
  --info-soft:#E8EEF3;
  --text:#161C1B;
  --text-2:#4A5654;
  --text-3:#7C8A87;
  --bg:#F6F3ED;
  --bg-soft:#EFEBE2;
  --card:#FFFFFF;
  --dark:#10201E;
  --line:#E5DFD4;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-block:20px;
  --shadow-1:0 1px 2px rgba(16,32,30,.05), 0 8px 24px rgba(16,32,30,.06);
  --shadow-2:0 12px 32px rgba(16,32,30,.10);
  --ease:cubic-bezier(.25,.8,.35,1);
  --header-h:141px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,li{margin:0}
ul,ol{padding:0;list-style:none}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--action);
  outline-offset:2px;
  border-radius:6px;
}

/* ------- header ------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,243,237,.96);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,32,30,.05), 0 8px 24px rgba(16,32,30,.06);
}
.brand-row{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--primary-soft);
  color:var(--primary);
  display:grid;
  place-items:center;
  flex:none;
}
.logo-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--text);
  white-space:nowrap;
}
.logo-text em{
  font-style:normal;
  color:var(--primary);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex-wrap:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.main-nav::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;
  padding:9px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
}
.header-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
  flex:none;
}
.search-box{
  display:flex;
  align-items:center;
  height:44px;
  background:#FBFAF7;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.search-box:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 2px var(--primary-soft);
}
.search-box input{
  width:150px;
  height:100%;
  border:0;
  background:transparent;
  padding:0 12px;
  font-size:14px;
  color:var(--text);
  outline:none;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box button{
  width:40px;
  height:100%;
  border:0;
  background:transparent;
  color:var(--text-2);
  cursor:pointer;
  display:grid;
  place-items:center;
  border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  transition:color .2s var(--ease);
}
.search-box button:hover{color:var(--primary)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
}
.btn-primary{background:var(--action);color:#fff}
.btn-primary:hover{background:var(--action-dark);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.12)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

.menu-btn{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--radius-btn);
  color:var(--text);
  cursor:pointer;
  place-items:center;
  transition:border-color .2s var(--ease), color .2s var(--ease);
}
.menu-btn:hover{border-color:var(--primary);color:var(--primary)}

.sub-rows{
  border-top:1px solid var(--line);
  overflow:hidden;
  transition:max-height .26s var(--ease), opacity .22s var(--ease);
  max-height:120px;
}
.site-header.is-scrolled .sub-rows{
  max-height:0;
  opacity:0;
}
.channel-row{
  display:flex;
  align-items:center;
  gap:6px;
  min-height:36px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-row::-webkit-scrollbar{display:none}
.channel-link{
  font-size:14px;
  color:var(--text-3);
  padding:0 10px;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel-link:hover{color:var(--primary)}
.channel-link.active{color:var(--primary);font-weight:600}
.channel-sep{color:var(--line);font-size:12px}
.trend-row{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:32px;
  padding-bottom:12px;
  overflow-x:auto;
  scrollbar-width:none;
}
.trend-row::-webkit-scrollbar{display:none}
.trend-badge{
  flex:none;
  font-size:12px;
  font-weight:600;
  color:var(--info);
  background:var(--info-soft);
  border-radius:6px;
  padding:2px 8px;
}
.trend-tag{
  flex:none;
  font-size:13px;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:999px;
  padding:3px 12px;
  white-space:nowrap;
  transition:background .2s var(--ease), color .2s var(--ease);
}
.trend-tag:hover{background:var(--primary);color:#fff}

/* ------- drawer ------- */
.drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(16,32,30,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease), visibility .24s var(--ease);
  z-index:80;
}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:84vw;
  max-width:360px;
  background:#fff;
  z-index:90;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  padding:20px;
  overflow-y:auto;
  box-shadow:-12px 0 40px rgba(16,32,30,.18);
}
.drawer.open{transform:translateX(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-title{font-size:16px;font-weight:700;color:var(--text)}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  color:var(--text-2);
  cursor:pointer;
  display:grid;
  place-items:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary)}
.drawer-nav{display:grid;gap:4px;margin-top:16px}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-2);
  transition:background .2s var(--ease), color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.drawer-search{display:flex;gap:8px;margin-top:20px}
.drawer-search .search-box{flex:1}
.drawer-search .search-box input{width:100%}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.drawer-cta{margin-top:24px}
.drawer-cta .btn{width:100%}

/* ------- page hero ------- */
.page-hero{
  position:relative;
  color:#fff;
  background-image:linear-gradient(96deg, rgba(16,32,30,.90), rgba(16,32,30,.74)), url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  padding:44px 0 56px;
}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,.95fr);
  gap:48px;
  align-items:center;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:1.6;
  color:rgba(255,255,255,.66);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.66);transition:color .2s var(--ease)}
.crumb a:hover{color:#8FC7BC}
.crumb .current{color:#8FC7BC}
.crumb svg{opacity:.6}
.hero-title{
  font-size:46px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  color:#fff;
}
.hero-title-sub{
  display:block;
  margin-top:12px;
  font-size:19px;
  font-weight:500;
  color:rgba(255,255,255,.74);
  letter-spacing:.02em;
}
.hero-lead{
  margin-top:20px;
  max-width:660px;
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.78);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-block);
  padding:24px 26px;
}
.hero-panel-title{
  font-size:13px;
  letter-spacing:.08em;
  color:rgba(255,255,255,.6);
  margin-bottom:6px;
}
.hero-stat{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.hero-stat:last-child{border-bottom:0;padding-bottom:0}
.hero-stat b{
  font-size:28px;
  font-weight:700;
  color:#fff;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-stat span{font-size:14px;color:rgba(255,255,255,.72);line-height:1.6}

/* ------- anchor nav ------- */
.anchor-nav{
  position:sticky;
  top:var(--header-h);
  z-index:50;
  background:rgba(246,243,237,.97);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-link{
  position:relative;
  padding:15px 16px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease), border-color .2s var(--ease);
}
.anchor-link:hover{color:var(--primary)}
.anchor-link.active{color:var(--primary);font-weight:600;border-bottom-color:var(--primary)}

/* ------- section basics ------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--bg-soft)}
.section--white{background:#fff}
.sec-head{max-width:780px;margin-bottom:44px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--info);
  background:var(--info-soft);
  border-radius:6px;
  padding:4px 10px;
  margin-bottom:16px;
}
.sec-title{
  font-size:32px;
  font-weight:700;
  line-height:1.35;
  color:var(--text);
  letter-spacing:-.005em;
}
.sec-title--serif{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-weight:700;
}
.sec-desc{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:780px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:15px;
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
  transition:color .2s var(--ease);
}
.text-link:hover{color:var(--action)}

.scroll-margin{scroll-margin-top:calc(var(--header-h) + 72px)}

/* ------- timeline + spec ------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:44px;
  align-items:start;
}
.timeline{position:relative}
.tl-item{
  position:relative;
  padding-left:64px;
  padding-bottom:38px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";
  position:absolute;
  left:19px;
  top:46px;
  bottom:6px;
  width:2px;
  background:var(--line);
  border-radius:2px;
}
.tl-item:last-child::before{display:none}
.tl-dot{
  position:absolute;
  left:0;
  top:0;
  width:40px;
  height:40px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--primary);
  color:var(--primary);
  font-size:14px;
  font-weight:700;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
}
.tl-title{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
}
.tl-text{
  margin-top:8px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:720px;
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag-box{
  font-size:12px;
  font-weight:500;
  color:var(--info);
  background:var(--info-soft);
  border-radius:6px;
  padding:3px 9px;
}
.tag-pill{
  font-size:12px;
  font-weight:500;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:999px;
  padding:3px 12px;
}

.spec-card{
  position:sticky;
  top:calc(var(--header-h) + 96px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:26px 24px;
}
.spec-card h3{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.spec-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
}
.spec-row:last-child{border-bottom:0;padding-bottom:0}
.spec-row dt{color:var(--text-3);flex:none}
.spec-row dd{margin:0;color:var(--text);text-align:right;line-height:1.6}
.spec-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}

/* ------- compare ------- */
.compare-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-block);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.compare-head{
  display:grid;
  grid-template-columns:1fr 1fr;
  background:var(--primary-soft);
}
.compare-head div{
  padding:16px 28px;
  font-size:15px;
  font-weight:600;
  color:var(--primary-dark);
}
.compare-body{
  display:grid;
  grid-template-columns:1fr 1px 1fr;
}
.compare-col{padding:26px 28px}
.compare-col + .compare-col{padding-left:28px}
.compare-divider{background:var(--line)}
.compare-item + .compare-item{
  margin-top:18px;
  padding-top:18px;
  border-top:1px dashed var(--line);
}
.compare-item h4{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:8px;
}
.compare-item p{
  margin-top:6px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-2);
}
.dot-mark{
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--action);
  flex:none;
}
.dot-mark--primary{background:var(--primary)}

/* ------- steps ------- */
.steps-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.figure{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16 / 10;
  background:var(--bg-soft);
  box-shadow:var(--shadow-1);
}
.figure img{width:100%;height:100%;object-fit:cover}
.figure--wide{aspect-ratio:21 / 9}
.figure-cap{
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
  text-align:center;
  line-height:1.6;
}
.step{
  display:flex;
  gap:18px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:0;padding-bottom:0}
.step-no{
  flex:none;
  width:38px;
  height:38px;
  border-radius:50%;
  border:2px solid var(--primary);
  color:var(--primary);
  font-size:15px;
  font-weight:700;
  display:grid;
  place-items:center;
  background:#fff;
}
.step-title{font-size:18px;font-weight:600;color:var(--text);line-height:1.5}
.step-text{margin-top:6px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ------- dark band ------- */
.dark-band{
  background:var(--dark);
  color:#F6F3ED;
  padding:88px 0;
}
.dark-band .sec-title{color:#fff}
.dark-band .sec-desc{color:rgba(255,255,255,.68)}
.dark-band .eyebrow{
  background:rgba(255,255,255,.08);
  color:#8FC7BC;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-bottom:44px;
}
.stat-cell{
  border:1px solid rgba(255,255,255,.10);
  border-radius:16px;
  padding:26px 24px;
}
.stat-cell b{
  display:block;
  font-size:38px;
  font-weight:700;
  color:#fff;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-cell span{
  display:block;
  margin-top:8px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.68);
}
.dark-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.dark-item{
  display:flex;
  gap:12px;
  font-size:15px;
  line-height:1.75;
  color:rgba(255,255,255,.78);
}
.dark-item svg{flex:none;margin-top:4px;color:#8FC7BC}

/* ------- faq ------- */
.faq{
  max-width:880px;
  margin:0 auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  min-height:60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 24px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  cursor:pointer;
  transition:color .2s var(--ease), background .2s var(--ease);
}
.faq-q:hover{color:var(--primary);background:#FBFAF7}
.faq-icon{
  flex:none;
  color:var(--primary);
  transition:transform .22s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a p{
  padding:0 24px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ------- related ------- */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.rec-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:#D8D0C2;
}
.rec-thumb{
  position:relative;
  aspect-ratio:16 / 9;
  background:var(--bg-soft);
  overflow:hidden;
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-title{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  transition:color .2s var(--ease);
}
.rec-card:hover .rec-title{color:var(--primary)}
.rec-text{
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-2);
}
.rec-foot{
  margin-top:auto;
  padding-top:12px;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.rec-foot svg{color:var(--primary)}

/* ------- cta band ------- */
.cta-band{
  background:var(--dark);
  color:#fff;
  padding:72px 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
}
.cta-title{
  font-size:30px;
  font-weight:700;
  line-height:1.35;
  color:#fff;
}
.cta-text{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  max-width:560px;
}
.cta-form{
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.form-field{flex:1;min-width:0}
.form-input{
  width:100%;
  height:46px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#FBFAF7;
  color:var(--text);
  padding:0 14px;
  font-size:15px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form-input::placeholder{color:var(--text-3)}
.form-input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 2px var(--primary-soft);
}
.form-hint{
  margin-top:10px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  line-height:1.7;
}

/* ------- footer ------- */
.site-footer{
  background:var(--dark);
  color:#F6F3ED;
  padding:64px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-col + .footer-col{
  border-left:1px solid rgba(255,255,255,.10);
  padding-left:28px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .logo-mark{
  background:rgba(255,255,255,.08);
  color:#8FC7BC;
}
.footer-brand .logo-text{color:#fff;font-size:18px;font-weight:700}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  max-width:340px;
}
.footer-contact{
  margin-top:18px;
  display:grid;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.66);
}
.footer-contact b{color:#fff;font-weight:600;margin-right:8px}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{display:grid;gap:10px}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:#8FC7BC}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom p{margin:0}

/* ------- responsive ------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .search-box{display:none}
  .menu-btn{display:grid}
  .brand-row{min-height:64px;gap:16px}
  .logo-text{font-size:18px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-title{font-size:34px}
  .hero-title-sub{font-size:17px}
  .split{grid-template-columns:1fr;gap:36px}
  .spec-card{position:static}
  .steps-grid{grid-template-columns:1fr;gap:32px}
  .stat-grid{grid-template-columns:1fr;gap:16px}
  .dark-list{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-col + .footer-col{border-left:0;padding-left:0}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .section{padding:64px 0}
  .sec-title{font-size:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero{padding:32px 0 40px}
  .hero-title{font-size:28px;line-height:1.3}
  .hero-title-sub{font-size:16px}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-panel{padding:20px}
  .hero-stat b{font-size:24px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .sec-title{font-size:24px}
  .sec-head{margin-bottom:32px}
  .compare-head{grid-template-columns:1fr}
  .compare-body{grid-template-columns:1fr}
  .compare-divider{height:1px;width:100%}
  .compare-col{padding:22px 20px}
  .compare-col + .compare-col{padding-left:20px}
  .rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .cta-title{font-size:24px}
  .tl-item{padding-left:56px}
  .tl-dot{width:36px;height:36px;font-size:13px}
  .tl-item::before{left:17px}
  .stat-cell b{font-size:32px}
  .faq-q{padding:14px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
}