/* roulang page: index */
:root{
  --brand-900:#0A2B29;
  --brand-700:#0B5D57;
  --brand-500:#12A594;
  --brand-300:#63C7B2;
  --brand-50:#EAF5F2;
  --accent:#FF7A45;
  --gold:#F2B24B;
  --bg:#F6F7F5;
  --surface:#FFFFFF;
  --line:#E3E7E4;
  --text:#10201E;
  --text-2:#4A5C59;
  --text-3:#7C8B88;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,93,87,.06),0 8px 24px rgba(11,93,87,.06);
  --sh-2:0 12px 32px rgba(11,93,87,.12);
  --grad-brand:linear-gradient(135deg,#0B5D57 0%,#12A594 58%,#63C7B2 100%);
  --grad-accent:linear-gradient(135deg,#FF7A45 0%,#F2B24B 100%);
  --container:1200px;
}
@media (min-width:1440px){:root{--container:1320px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s;}
a:hover{color:var(--brand-500);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.01em;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (max-width:639px){.container{padding:0 16px;}}

.section{padding:96px 0;}
.section--tight{padding:72px 0;}
@media (max-width:1023px){.section{padding:72px 0;}.section--tight{padding:56px 0;}}
@media (max-width:767px){.section{padding:56px 0;}.section--tight{padding:44px 0;}}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
.sec-head .sec-sub{margin-top:8px;color:var(--text-2);font-size:15px;max-width:620px;}
.sec-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-700);white-space:nowrap;}
.sec-more i{transition:transform .25s;}
.sec-more:hover{color:var(--accent);}
.sec-more:hover i{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s,border-color .25s;
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(11,93,87,.09);}
.brand-row{display:flex;align-items:center;gap:20px;height:62px;}
.site-header.is-stuck .brand-row{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:17px;font-weight:800;
  box-shadow:0 6px 16px rgba(18,165,148,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:800;color:var(--brand-700);letter-spacing:.02em;}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.14em;text-transform:uppercase;}
.nav-search{
  flex:1;max-width:460px;display:flex;align-items:center;gap:10px;
  background:#F2F6F4;border:1px solid transparent;border-radius:var(--r-pill);
  padding:0 6px 0 16px;height:42px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,165,148,.16);background:#fff;}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);min-width:0;}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  height:32px;padding:0 18px;border-radius:var(--r-pill);background:var(--grad-brand);
  color:#fff;font-size:13px;font-weight:700;transition:filter .2s,transform .2s;
}
.nav-search button:hover{filter:brightness(1.06);transform:translateY(-1px);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.btn-mini{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 20px;
  border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 8px 20px rgba(11,93,87,.18);transition:transform .2s,filter .2s,box-shadow .2s;
}
.btn-mini:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:var(--sh-2);}
.btn-mini:active{transform:translateY(0);}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);font-size:17px;place-items:center;
}
.channel-row{
  display:flex;align-items:center;gap:20px;height:46px;
  border-top:1px solid var(--line);
}
.site-header.is-stuck .channel-row{display:none;}
.chan-nav{display:flex;align-items:center;flex-shrink:0;}
.chan{
  position:relative;display:inline-flex;align-items:center;height:46px;
  padding:0 2px;margin-right:26px;font-size:15px;font-weight:600;color:var(--text-2);
}
.chan::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.chan:hover{color:var(--brand-700);}
.chan:hover::after{transform:scaleX(1);}
.chan.is-active{color:var(--brand-700);font-weight:700;}
.chan.is-active::after{transform:scaleX(1);background:var(--accent);}
.chan-trends{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;}
.chan-trends::-webkit-scrollbar{display:none;}
.trend-cap{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;white-space:nowrap;
  transition:background .2s,color .2s,transform .2s;
}
.trend-cap:hover{background:var(--brand-300);color:#fff;transform:translateY(-1px);}
@media (max-width:1023px){
  .nav-search{display:none;}
  .nav-burger{display:grid;}
  .channel-row{display:none;}
  .btn-mini{height:38px;padding:0 16px;font-size:13px;}
}
@media (max-width:520px){
  .brand-text span{display:none;}
  .btn-mini span{display:none;}
  .btn-mini{padding:0 14px;}
}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,43,41,.5);z-index:100;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,380px);background:#fff;z-index:101;
  transform:translateX(100%);transition:transform .34s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-700);}
.drawer-search{display:flex;align-items:center;gap:10px;background:#F2F6F4;border-radius:var(--r-pill);height:44px;padding:0 8px 0 16px;margin-bottom:22px;}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;min-width:0;}
.drawer-search button{height:32px;padding:0 16px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;}
.drawer-title{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin-bottom:10px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--text);
}
.drawer-list a.is-active{color:var(--brand-700);}
.drawer-list a i{color:var(--text-3);font-size:13px;}
.drawer-trends{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 26px;}
.drawer-cta{
  margin-top:auto;display:flex;align-items:center;justify-content:center;gap:8px;
  height:50px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-900);color:#E8F5F2;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,43,41,.94) 0%,rgba(11,93,87,.86) 52%,rgba(18,165,148,.7) 100%);
}
.hero-inner{position:relative;z-index:2;padding:88px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(99,199,178,.18);border:1px solid rgba(99,199,178,.4);color:#9FE3D2;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;margin-bottom:22px;
}
.eyebrow i{font-size:11px;}
.hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:800;color:#fff;letter-spacing:.01em;
}
.hero h1 em{font-style:normal;color:var(--brand-300);}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.85;color:rgba(232,245,242,.86);max-width:600px;}
.hero-btns{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:34px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 30px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s,filter .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px);}
.btn-primary{min-width:200px;background:var(--grad-brand);color:#fff;box-shadow:0 12px 28px rgba(18,165,148,.32);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 36px rgba(18,165,148,.4);}
.btn-light{min-width:170px;background:#fff;color:var(--brand-700);box-shadow:0 10px 24px rgba(0,0,0,.16);}
.btn-light:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.2);}
.btn-ghost{
  min-width:150px;background:transparent;color:#9FE3D2;border:1px solid rgba(159,227,210,.5);
}
.btn-ghost:hover{color:#fff;background:rgba(99,199,178,.16);border-color:var(--brand-300);transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;height:52px;padding:0 4px;
  font-size:15px;font-weight:700;color:#9FE3D2;
}
.btn-text:hover{color:#fff;}
.btn-text i{transition:transform .25s;}
.btn-text:hover i{transform:translateX(4px);}
.btn-outline{background:#fff;color:var(--brand-700);border:1px solid var(--brand-500);}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px);}

.hero-visual{position:relative;}
.hero-shot{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(159,227,210,.28);
  box-shadow:0 30px 60px rgba(0,0,0,.35);
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:22px;background:#fff;border-radius:var(--r-md);
  padding:14px 18px;box-shadow:0 18px 40px rgba(0,0,0,.28);display:flex;align-items:center;gap:12px;
}
.hero-float .dot-ok{
  width:36px;height:36px;border-radius:12px;background:var(--brand-50);color:var(--brand-700);
  display:grid;place-items:center;font-size:15px;
}
.hero-float b{display:block;font-size:14px;color:var(--text);line-height:1.3;}
.hero-float span{font-size:12px;color:var(--text-3);}

.badge-row{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;
  padding:0 0 48px;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(99,199,178,.14);border:1px solid rgba(99,199,178,.3);
  color:#B8E9DC;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge b{color:var(--gold);font-weight:700;}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-inner{padding:64px 0 40px;}
  .hero-visual{max-width:560px;}
  .hero-float{left:0;}
}
@media (max-width:520px){
  .hero-btns .btn{width:100%;min-width:0;}
  .btn-text{justify-content:center;width:100%;}
}

/* ---------- 截图轮播 ---------- */
.shots{background:var(--bg);}
.shots-viewport{overflow:hidden;padding:10px 2px 6px;}
.shot-track{display:flex;gap:24px;transition:transform .5s cubic-bezier(.4,0,.2,1);will-change:transform;}
.shot-card{
  flex:0 0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .3s,box-shadow .3s,border-color .3s;
}
.shot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500);}
.shot-media{position:relative;aspect-ratio:8/5;overflow:hidden;background:#E6EFEC;}
.shot-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s;}
.shot-card:hover .shot-media img{transform:scale(1.03);}
.step-badge{
  position:absolute;top:14px;left:14px;height:27px;padding:0 13px;border-radius:var(--r-pill);
  background:rgba(11,93,87,.92);color:#fff;font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;letter-spacing:.05em;
}
.shot-body{padding:22px 24px 26px;}
.shot-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.shot-body p{font-size:14px;color:var(--text-2);line-height:1.75;}
.shot-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:34px;}
.dots{display:flex;align-items:center;gap:8px;}
.dot{width:9px;height:9px;border-radius:50%;background:#CBD9D5;transition:width .28s,background .28s;}
.dot.is-active{width:26px;border-radius:var(--r-pill);background:var(--brand-500);}
.arrows{display:flex;gap:10px;}
.arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--brand-700);transition:all .22s;
}
.arrow:hover{background:var(--grad-brand);color:#fff;border-color:transparent;transform:translateY(-2px);}
.arrow:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 系统要求 ---------- */
.specs{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.spec-card{
  background:#FBFCFB;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;
  box-shadow:var(--sh-1);transition:border-color .25s,box-shadow .25s;
}
.spec-card:hover{border-color:var(--brand-500);box-shadow:var(--sh-2);}
.spec-card header{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.spec-ico{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:17px;
  background:var(--brand-50);color:var(--brand-700);
}
.spec-card.is-rec .spec-ico{background:var(--grad-accent);color:#fff;}
.spec-card h3{font-size:19px;}
.spec-card header span{display:block;font-size:12.5px;color:var(--text-3);font-weight:500;line-height:1.4;}
.spec-rows{display:flex;flex-direction:column;gap:4px;}
.spec-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 14px;border-radius:var(--r-sm);font-size:14.5px;
}
.spec-row:nth-child(odd){background:#F1F6F4;}
.spec-row .k{color:var(--text-3);}
.spec-row .v{color:var(--text);font-weight:600;text-align:right;}
@media (max-width:767px){
  .spec-grid{grid-template-columns:1fr;}
  .spec-card{padding:24px;}
  .spec-row{flex-direction:column;align-items:flex-start;gap:2px;}
  .spec-row .v{text-align:left;}
}

/* ---------- 评价墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.review{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);transition:transform .3s,box-shadow .3s,border-color .3s;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500);}
.wall .review:nth-child(3n+2){margin-top:30px;}
.wall .review:nth-child(3n+3){margin-top:10px;}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px;flex-shrink:0;
}
.review-top b{display:block;font-size:14.5px;line-height:1.4;}
.dev-badge{
  display:inline-flex;align-items:center;height:20px;padding:0 9px;border-radius:var(--r-pill);
  background:var(--brand-50);color:var(--brand-700);font-size:11px;font-weight:600;margin-top:2px;
}
.stars{color:var(--gold);font-size:12.5px;letter-spacing:2px;margin-bottom:10px;}
.review p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.review time{display:block;margin-top:14px;font-size:12px;color:var(--text-3);}
@media (max-width:1023px){
  .wall{grid-template-columns:repeat(2,1fr);}
  .wall .review:nth-child(3n+2),.wall .review:nth-child(3n+3){margin-top:0;}
  .wall .review:nth-child(2n){margin-top:24px;}
}
@media (max-width:639px){
  .wall{grid-template-columns:1fr;}
  .wall .review:nth-child(2n){margin-top:0;}
}

/* ---------- 下载强化 ---------- */
.dl-card{
  border-radius:var(--r-lg);background:var(--grad-brand);padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;box-shadow:0 24px 50px rgba(11,93,87,.22);
}
.dl-card::before{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.2),transparent 66%);
}
.dl-copy{position:relative;z-index:2;max-width:560px;}
.dl-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.dl-copy p{color:rgba(255,255,255,.86);font-size:15px;margin-top:12px;line-height:1.8;}
.dl-note{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.72);letter-spacing:.02em;}
.dl-btns{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}
.dl-btns .btn{height:50px;padding:0 26px;font-size:15px;}
.dl-btns .btn-w{min-width:186px;background:#fff;color:var(--brand-700);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.dl-btns .btn-w:hover{color:var(--brand-700);transform:translateY(-2px);}
.dl-btns .btn-o{min-width:150px;background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.55);}
.dl-btns .btn-o:hover{color:#fff;background:rgba(255,255,255,.2);transform:translateY(-2px);}
.dl-btns .btn-s{min-width:118px;background:var(--accent);color:#fff;box-shadow:0 12px 26px rgba(255,122,69,.34);}
.dl-btns .btn-s:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);}
@media (max-width:1023px){
  .dl-card{flex-direction:column;align-items:flex-start;padding:36px;gap:26px;}
  .dl-btns{width:100%;}
}
@media (max-width:520px){
  .dl-card{padding:26px 20px;}
  .dl-btns .btn{width:100%;min-width:0;}
}

/* ---------- 最新信息 ---------- */
.news{background:var(--surface);border-top:1px solid var(--line);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500);color:inherit;}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E6EFEC;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.cat-chip{
  position:absolute;top:12px;left:12px;height:24px;padding:0 11px;border-radius:var(--r-pill);
  background:rgba(11,93,87,.9);color:#fff;font-size:11.5px;font-weight:600;
  display:inline-flex;align-items:center;
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:16.5px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:10px;font-size:13.5px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);
}
.news-foot i{color:var(--brand-500);transition:transform .25s;}
.news-card:hover .news-foot i{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;border:1px dashed #BFD6D1;border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;background:#FAFCFB;
}
.empty-state .ico{
  width:56px;height:56px;border-radius:18px;background:var(--brand-50);color:var(--brand-700);
  display:grid;place-items:center;font-size:22px;margin:0 auto 16px;
}
.empty-state p{color:var(--text-2);font-size:15px;}
.empty-state .btn{margin-top:20px;height:44px;padding:0 24px;font-size:14px;}
@media (max-width:1023px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:639px){.news-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--text);
  transition:color .2s;
}
.faq-q:hover{color:var(--brand-700);}
.faq-ico{
  width:30px;height:30px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-700);font-size:13px;
  transition:transform .3s,background .3s,color .3s;
}
.faq-item.is-open .faq-ico{transform:rotate(180deg);background:var(--grad-brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 24px 22px;background:var(--brand-50);}
.faq-a-inner p{font-size:14.5px;color:var(--text-2);line-height:1.85;padding-top:18px;}
@media (max-width:520px){
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;}
}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);background:var(--brand-900);color:#E8F5F2;
  padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;opacity:.16;
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(21px,2.4vw,28px);font-weight:700;}
.cta-copy p{margin-top:10px;font-size:15px;color:rgba(232,245,242,.8);line-height:1.8;}
.cta-band .btn{position:relative;z-index:2;min-width:180px;background:var(--grad-accent);color:#fff;box-shadow:0 14px 30px rgba(255,122,69,.3);}
.cta-band .btn:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);}
@media (max-width:1023px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:520px){.cta-band{padding:28px 20px;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#CFE7E1;margin-top:0;}
.footer-top{padding:72px 0 44px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand b{color:#fff;font-size:17px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(207,231,225,.78);max-width:320px;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:18px;letter-spacing:.04em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(207,231,225,.8);transition:color .2s,transform .2s;display:inline-block;}
.footer-col a:hover{color:var(--accent);transform:translateX(3px);}
.footer-contact p{font-size:14px;color:rgba(207,231,225,.8);margin-bottom:10px;line-height:1.7;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(159,227,210,.16);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(207,231,225,.6);
}
.footer-bottom a{color:rgba(207,231,225,.6);}
.footer-bottom a:hover{color:var(--accent);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-top{padding:56px 0 32px;}
}

/* roulang page: article */
:root{
  --brand-900:#0B5D57;
  --brand-600:#12A594;
  --brand-300:#63C7B2;
  --brand-050:#EAF5F2;
  --accent:#FF7A45;
  --gold:#F2B24B;
  --bg:#F6F7F5;
  --surface:#FFFFFF;
  --line:#E3E7E4;
  --dark:#0A2B29;
  --text:#10201E;
  --text-2:#4A5C59;
  --text-3:#7C8B88;
  --on-dark:#E8F5F2;
  --grad:linear-gradient(135deg,#0B5D57 0%,#12A594 58%,#63C7B2 100%);
  --grad-accent:linear-gradient(135deg,#FF7A45 0%,#F2B24B 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,93,87,.06),0 8px 24px rgba(11,93,87,.06);
  --sh-2:0 12px 32px rgba(11,93,87,.12);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-900);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{font:inherit;appearance:none;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time,.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(11,93,87,.22)}
.btn-primary:hover{color:#fff;filter:brightness(1.04);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--brand-900);border-color:var(--brand-300)}
.btn-outline:hover{color:var(--brand-900);border-color:var(--brand-600);background:var(--brand-050);transform:translateY(-2px)}
.btn-text{color:var(--brand-900);padding:12px 6px}
.btn-text:hover{color:var(--accent)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-shrink{box-shadow:0 6px 20px rgba(11,93,87,.09)}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:62px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;flex:none;
}
.brand-text b{display:block;font-size:16px;font-weight:800;color:var(--text);line-height:1.2}
.brand-text small{display:block;font-size:11px;color:var(--text-3);letter-spacing:.06em}
.brand:hover .brand-text b{color:var(--brand-900)}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-toggle{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  color:var(--text-2);font-size:14px;transition:.2s ease;
}
.search-toggle:hover{border-color:var(--brand-300);color:var(--brand-900);background:var(--brand-050)}
.nav-burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;color:var(--brand-900);font-size:17px;align-items:center;justify-content:center}
.search-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:20px 0 24px}
.search-panel.is-open{display:block}
.search-form{display:flex;gap:12px;flex-wrap:wrap}
.search-form input[type="search"]{
  flex:1 1 320px;min-width:0;height:48px;padding:0 18px;
  border:1px solid var(--line);border-radius:14px;background:#fff;
  font-size:15px;color:var(--text);transition:.2s ease;
}
.search-form input[type="search"]::placeholder{color:var(--text-3)}
.search-form input[type="search"]:focus{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(18,165,148,.18);outline:none}
.hot-search{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center}
.hot-search span{font-size:13px;color:var(--text-3)}
.channel-row{display:flex;align-items:center;gap:18px;border-top:1px solid var(--line);background:#fff}
.site-header.is-shrink .channel-row{border-top-color:transparent}
.chan-nav{display:flex;align-items:center;gap:24px;height:46px;overflow-x:auto;scrollbar-width:none}
.chan-nav::-webkit-scrollbar{display:none}
.chan{position:relative;display:inline-flex;align-items:center;height:46px;font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap}
.chan::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform .25s ease}
.chan:hover{color:var(--brand-900)}
.chan:hover::after{transform:scaleX(1)}
.chan.is-active{color:var(--brand-900);font-weight:700}
.chan.is-active::after{transform:scaleX(1)}
.chan-trends{margin-left:auto;display:flex;align-items:center;gap:8px;overflow-x:auto;padding:6px 0;scrollbar-width:none}
.chan-trends::-webkit-scrollbar{display:none}
.trend-cap{
  font-size:12px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-900);white-space:nowrap;transition:.2s ease;
}
.trend-cap:hover{background:var(--brand-300);color:#06332F}
.drawer{position:fixed;inset:0;z-index:200;background:#fff;display:flex;flex-direction:column;overflow:hidden}
.drawer[hidden]{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line)}
.drawer-head b{font-size:16px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);color:var(--brand-900);display:grid;place-items:center;font-size:16px}
.drawer-body{flex:1;overflow-y:auto;padding:20px}
.drawer-label{font-size:12px;letter-spacing:.08em;color:var(--text-3);margin:20px 0 10px}
.drawer-link{display:block;padding:12px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--text-2)}
.drawer-link:hover{background:var(--brand-050);color:var(--brand-900)}
.drawer-link.is-active{background:var(--brand-050);color:var(--brand-900);font-weight:700}
.drawer-links{display:flex;flex-wrap:wrap;gap:8px}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);background:var(--bg)}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(10,43,41,.92),rgba(11,93,87,.86) 58%,rgba(18,165,148,.78)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:radial-gradient(circle at 12% 30%,#fff 0,rgba(255,255,255,0) 42%),radial-gradient(circle at 82% 70%,#fff 0,rgba(255,255,255,0) 38%);
}
.page-banner .container{position:relative;z-index:2;padding-top:38px;padding-bottom:46px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(232,245,242,.85);flex-wrap:wrap}
.breadcrumb a{color:rgba(232,245,242,.85)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.crumb-current{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#fff}
.page-banner h1{
  color:#fff;font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.25;
  margin:18px 0 18px;max-width:900px;letter-spacing:.01em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(232,245,242,.9)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-900);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-on-dark{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(232,245,242,.6)}

/* ---------- 文章布局 ---------- */
.article-section{padding:56px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;align-items:start}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px 44px;box-shadow:var(--sh-1);max-width:820px;
}
.article-aside{position:sticky;top:130px}
.toc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh-1)}
.toc-title{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;font-weight:800;color:var(--text);margin-bottom:12px;
}
.toc-toggle{display:none;font-size:13px;color:var(--brand-900);font-weight:700}
.toc-list{display:flex;flex-direction:column;gap:4px;border-left:2px solid var(--line);padding-left:0}
.toc-item a{display:block;padding:7px 0 7px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:14px;color:var(--text-2);line-height:1.5}
.toc-item a:hover{color:var(--brand-900);border-left-color:var(--brand-600);background:var(--brand-050);border-radius:0 8px 8px 0}
.toc-sub a{padding-left:26px;font-size:13px;color:var(--text-3)}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text-2)}
.article-body > * + *{margin-top:20px}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--text);
  margin-top:44px;padding-left:16px;position:relative;line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:var(--r-pill);background:var(--grad);
}
.article-body h3{font-size:20px;font-weight:700;color:var(--text);margin-top:32px}
.article-body h4{font-size:17px;font-weight:700;color:var(--text);margin-top:24px}
.article-body p{color:var(--text-2)}
.article-body strong{color:var(--text);font-weight:700}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin-top:10px;color:var(--text-2)}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--brand-300);box-shadow:0 0 0 3px rgba(99,199,178,.2);
}
.article-body ol{counter-reset:cmsli}
.article-body ol li::before{
  counter-increment:cmsli;content:counter(cmsli);
  position:absolute;left:0;top:.45em;width:20px;height:20px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-900);font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;background:var(--brand-050);
  border-left:4px solid var(--brand-600);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--brand-900);font-size:16px;
}
.article-body blockquote p{color:var(--brand-900)}
.article-body img{border-radius:var(--r-md);margin:26px 0;width:100%;object-fit:cover;box-shadow:var(--sh-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center}
.article-body a{color:var(--brand-900);font-weight:600;border-bottom:1px solid rgba(18,165,148,.35)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body code{
  background:#F1F5F3;border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:#0B5D57;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--dark);color:var(--on-dark);border-radius:var(--r-md);
  padding:20px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;border:0;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}
.article-body table th,.article-body table td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body table th{background:var(--brand-050);color:var(--brand-900);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* ---------- 空态 ---------- */
.empty-state{
  border:2px dashed var(--line);border-radius:var(--r-lg);background:#FBFCFB;
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--brand-300)}
.empty-state h2{margin-top:16px;font-size:22px;color:var(--text)}
.empty-state p{margin-top:10px;color:var(--text-3);font-size:15px}
.empty-state .btn{margin-top:22px}

/* ---------- 文章尾部 ---------- */
.article-tail{margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .tag-label{font-size:13px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:13px;transition:.2s ease;
}
.tag:hover{border-color:var(--brand-600);color:var(--brand-900);background:var(--brand-050);transform:translateY(-2px)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.pager-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;transition:.25s ease;
}
.pager-card:hover{border-color:var(--brand-600);box-shadow:var(--sh-2);transform:translateY(-4px)}
.pager-card span{display:block;font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:8px}
.pager-card b{display:block;font-size:16px;color:var(--text);line-height:1.5}
.pager-card p{margin-top:8px;font-size:13px;color:var(--text-3);line-height:1.6}
.pager-card:hover b{color:var(--brand-900)}

/* ---------- 相关推荐 ---------- */
.related{padding:var(--sec) 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.section-head p{margin-top:8px;font-size:14px;color:var(--text-3)}
.section-more{font-size:14px;font-weight:700;color:var(--brand-900);display:inline-flex;align-items:center;gap:6px}
.section-more:hover{color:var(--accent);gap:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:.28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--sh-2)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--brand-050)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-cover .badge{position:absolute;top:12px;left:12px}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;color:var(--text)}
.card-body p{font-size:14px;color:var(--text-3);line-height:1.7}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.card-foot i{color:var(--brand-600)}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:var(--sec);background:linear-gradient(135deg,#0A2B29 0%,#0B5D57 55%,#12A594 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,199,178,.35),rgba(99,199,178,0) 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;gap:28px;padding:56px 0;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.4vw,28px);max-width:620px}
.cta-inner p{margin-top:10px;color:rgba(232,245,242,.85);font-size:15px;max-width:640px}
.cta-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{color:var(--brand-900);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.22)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;background:#0A2B29;color:var(--on-dark);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800}
.footer-brand b{font-size:16px;color:#fff}
.footer-desc{color:rgba(232,245,242,.72);line-height:1.8;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(232,245,242,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-contact p{color:rgba(232,245,242,.72);margin-bottom:10px;line-height:1.7}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(232,245,242,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 248px;gap:28px}
  .article-main{padding:34px 32px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-burger{display:inline-flex}
  .channel-row{display:none}
  .search-toggle span{display:none}
  .topbar-actions .btn-ghost{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;order:-1}
  .toc-card{padding:16px 18px}
  .toc-toggle{display:inline-flex;align-items:center;gap:6px}
  .toc-list{display:none}
  .toc-card.is-open .toc-list{display:flex;margin-top:12px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 16px}
  .page-banner .container{padding-top:26px;padding-bottom:34px}
  .article-main{padding:24px 18px;border-radius:var(--r-md)}
  .article-body{font-size:16px}
  .article-body h2{margin-top:34px;padding-left:14px}
  .pager{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .cta-inner{padding:44px 0}
  .cta-actions{margin-left:0;width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .brand-text small{display:none}
}
@media (max-width:520px){
  .topbar-actions .btn-primary{display:none}
  .page-banner h1{font-size:26px}
  .crumb-current{max-width:180px}
}

/* roulang page: category1 */
:root{
  --brand:#0B5D57;
  --brand-2:#12A594;
  --brand-3:#63C7B2;
  --brand-soft:#EAF5F2;
  --accent:#FF7A45;
  --gold:#F2B24B;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --line:#E3E7E4;
  --dark:#0A2B29;
  --dark-ink:#E8F5F2;
  --ink:#10201E;
  --ink-2:#4A5C59;
  --ink-3:#7C8B88;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,93,87,.06),0 8px 24px rgba(11,93,87,.06);
  --sh-2:0 12px 32px rgba(11,93,87,.12);
  --grad-brand:linear-gradient(135deg,#0B5D57 0%,#12A594 58%,#63C7B2 100%);
  --grad-accent:linear-gradient(135deg,#FF7A45 0%,#F2B24B 100%);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover,a:focus{color:var(--brand-2)}
a:visited{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font-family:inherit;cursor:pointer}
input,button,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-compact{box-shadow:0 6px 20px rgba(11,93,87,.08)}
.brand-bar{transition:height .25s ease}
.brand-inner{
  display:flex;align-items:center;gap:20px;
  height:64px;
}
.site-header.is-compact .brand-inner{height:56px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:var(--sh-1);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:800;color:var(--brand)}
.logo-text i{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}
.search-panel{
  flex:1 1 auto;display:flex;align-items:center;gap:8px;
  max-width:420px;margin-left:auto;
}
.search-panel input{
  width:100%;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:14px;
  background:#fff;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-panel input::placeholder{color:var(--ink-3)}
.search-panel input:focus{
  outline:none;border-color:var(--brand-2);
  box-shadow:0 0 0 3px rgba(18,165,148,.16);
}
.brand-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:#fff;border-radius:12px;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.channel-row{
  display:flex;align-items:center;gap:18px;
  min-height:44px;border-top:1px solid var(--line);
  overflow:hidden;
}
.chan-nav{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.chan{
  position:relative;display:inline-block;padding:10px 14px 12px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
}
.chan::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:center;transition:transform .22s ease;
}
.chan:hover::after{transform:scaleX(1)}
.chan.is-active{color:var(--brand);font-weight:800}
.chan.is-active::after{transform:scaleX(1);background:var(--accent)}
.chan-trends{display:flex;align-items:center;gap:8px;overflow-x:auto;padding-bottom:2px;margin-left:auto}
.chan-trends::-webkit-scrollbar{height:0}
.trend-cap{
  flex:0 0 auto;font-size:12px;line-height:1;
  padding:7px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-weight:600;white-space:nowrap;
}
.trend-cap:hover{background:#D8EDE8;color:var(--brand-2)}
.text-link{font-size:14.5px;font-weight:600;color:var(--ink-2)}
.text-link:hover{color:var(--accent)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15.5px;font-weight:700;
  padding:13px 26px;border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
  cursor:pointer;line-height:1.2;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand-3)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:#F3FBF9;transform:translateY(-2px)}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.22)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-textlink{
  background:none;border:none;color:var(--brand);font-weight:700;font-size:15.5px;
  padding:10px 4px;display:inline-flex;align-items:center;gap:6px;
}
.btn-textlink:hover{color:var(--accent)}
.btn-textlink i{transition:transform .2s ease}
.btn-textlink:hover i{transform:translateX(4px)}

/* ---------- Badges ---------- */
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums;
}
.badge b{color:var(--brand);font-weight:800}
.badge .num{color:#B8791B;font-weight:800}
.badge-light{background:rgba(255,255,255,.16);color:var(--dark-ink);border:1px solid rgba(255,255,255,.24)}
.badge-light .num{color:var(--gold)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--dark);
  color:var(--dark-ink);
  padding:54px 0 60px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
  transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,43,41,.94) 0%,rgba(11,93,87,.86) 56%,rgba(18,165,148,.62) 100%);
}
.hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(232,245,242,.72);margin-bottom:18px}
.crumb a{color:rgba(232,245,242,.86)}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.5}
.hero-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:44px;align-items:center}
.hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:800;
  color:#fff;margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--brand-3)}
.hero-lead{font-size:16.5px;line-height:1.8;color:rgba(232,245,242,.88);max-width:560px;margin-bottom:22px}
.hero-badges{margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-cta .btn-ghost{background:rgba(255,255,255,.94)}
.hero-media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 24px 48px rgba(0,0,0,.28);
}
.hero-media img{width:100%;aspect-ratio:8/5;object-fit:cover;border-radius:var(--r-lg)}
.hero-stat{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat b{display:block;font-size:24px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums}
.hero-stat span{font-size:13px;color:rgba(232,245,242,.78)}

/* ---------- Section ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:#fff}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.1em;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--ink);margin-bottom:12px}
.section-sub{font-size:16px;color:var(--ink-2);line-height:1.8}

/* ---------- Cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-2)}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:20px;color:var(--ink)}
.card-body p{font-size:15px;color:var(--ink-2);margin:0}
.tag{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.94);
  color:var(--brand);font-size:12px;font-weight:800;
  box-shadow:0 2px 8px rgba(11,93,87,.12);
}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--ink-3);
}
.card-meta a{font-weight:700;font-size:13.5px}

/* 大卡（图文并排） */
.feature-card{
  display:grid;grid-template-columns:1.15fr 1fr;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-2)}
.feature-card .feature-media{position:relative;overflow:hidden;min-height:280px}
.feature-card .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-card .feature-body{padding:34px 34px 30px;display:flex;flex-direction:column;gap:14px}
.feature-card h3{font-size:24px;color:var(--ink)}
.feature-card p{color:var(--ink-2);font-size:15.5px;margin:0}
.stack-cards{display:flex;flex-direction:column;gap:24px;height:100%}
.mini-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);flex:1;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-2)}
.mini-card .mini-media{overflow:hidden}
.mini-card .mini-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.mini-card:hover .mini-media img{transform:scale(1.03)}
.mini-card .mini-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px}
.mini-card h3{font-size:17.5px;color:var(--ink)}
.mini-card p{font-size:14.5px;color:var(--ink-2);margin:0}

/* 图文交替行 */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.alt-row + .alt-row{margin-top:72px}
.alt-row.reverse .alt-media{order:2}
.alt-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg)}
.alt-text h3{font-size:24px;margin-bottom:14px;color:var(--ink)}
.alt-text p{color:var(--ink-2);font-size:16px}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;transition:border-color .2s ease,transform .2s ease;
}
.check-list li:hover{border-color:var(--brand-2);transform:translateX(4px)}
.check-list i{color:var(--brand-2);font-size:15px;margin-top:5px}
.check-list b{color:var(--ink);font-weight:700}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 22px 24px;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-2)}
.step-num{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17.5px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-2);margin:0}

/* 深色区块 */
.dark-band{
  background:var(--dark);color:var(--dark-ink);position:relative;overflow:hidden;
  padding:80px 0;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.dark-band .container{position:relative;z-index:2}
.dark-band h2{color:#fff}
.dark-band .section-sub{color:rgba(232,245,242,.82)}
.safe-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.safe-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:24px 22px;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.safe-item:hover{background:rgba(255,255,255,.1);border-color:var(--brand-3);transform:translateY(-4px)}
.safe-item i{color:var(--brand-3);font-size:20px;margin-bottom:12px;display:block}
.safe-item h3{font-size:17.5px;color:#fff;margin-bottom:8px}
.safe-item p{font-size:14.5px;color:rgba(232,245,242,.8);margin:0}

/* 行式列表 */
.row-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.row-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px 4px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.row-item:hover{background:#fff;padding-left:14px;border-radius:var(--r-sm)}
.row-thumb{
  flex:0 0 120px;width:120px;height:80px;border-radius:var(--r-sm);
  overflow:hidden;border:1px solid var(--line);
}
.row-thumb img{width:100%;height:100%;object-fit:cover}
.row-main h3{font-size:17.5px;margin-bottom:6px}
.row-main p{font-size:14.5px;color:var(--ink-2);margin:0 0 8px}
.row-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--ink-3)}
.pill-time{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
}

/* FAQ */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:var(--brand-2);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;
  padding:20px 22px;font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:transform .3s ease,background .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15.5px;color:var(--ink-2);background:var(--brand-soft);margin:0 0;padding-top:18px}

/* CTA */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-lg);
  padding:48px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 44px rgba(11,93,87,.2);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.88);font-size:15.5px;margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;flex:0 0 auto}
.cta-actions .btn-ghost{background:rgba(255,255,255,.95)}
.cta-actions .btn-accent{box-shadow:0 10px 24px rgba(0,0,0,.18)}

/* Footer */
.site-footer{background:var(--dark);color:var(--dark-ink);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17px;
}
.footer-brand b{font-size:16.5px;color:#fff;font-weight:800}
.footer-desc{font-size:14.5px;color:rgba(232,245,242,.72);line-height:1.8;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:800}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(232,245,242,.78)}
.footer-col a:hover{color:var(--accent)}
.footer-contact p{font-size:14.5px;color:rgba(232,245,242,.78);margin:0 0 8px}
.footer-contact b{color:#fff}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(232,245,242,.6);
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:22px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--brand);font-size:16px;
}
.drawer-search{display:flex;gap:8px;margin-bottom:20px}
.drawer-search input{
  flex:1;height:42px;border:1px solid var(--line);border-radius:14px;padding:0 14px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(18,165,148,.16)}
.drawer h4{font-size:13px;color:var(--ink-3);letter-spacing:.08em;margin:18px 0 10px;font-weight:800}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  display:block;padding:13px 14px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:600;color:var(--ink-2);background:#F7FAF9;
}
.drawer-links a.is-active{color:var(--brand);background:var(--brand-soft);font-weight:800}
.drawer-caps{display:flex;flex-wrap:wrap;gap:8px}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ---------- Media ---------- */
@media (max-width:1023px){
  .search-panel{display:none}
  .nav-toggle{display:flex}
  .chan-trends{display:none}
  .chan-nav{overflow-x:auto;width:100%}
  .chan-nav::-webkit-scrollbar{height:0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-stat{grid-template-columns:repeat(3,1fr)}
  .feature-card{grid-template-columns:1fr}
  .feature-card .feature-media{min-height:220px;aspect-ratio:16/9}
  .alt-row{grid-template-columns:1fr;gap:28px}
  .alt-row.reverse .alt-media{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .safe-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .alt-row + .alt-row{margin-top:56px}
  .site-footer{margin-top:72px}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding:0 16px}
  .logo-text i{display:none}
  .brand-actions .text-link{display:none}
  .hero{padding:40px 0 48px}
  .hero-stat{grid-template-columns:1fr 1fr;gap:16px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .steps{grid-template-columns:1fr}
  .row-item{flex-direction:column;gap:14px}
  .row-thumb{width:100%;height:170px;flex:none}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .card-body{padding:18px 18px 22px}
  .feature-card .feature-body{padding:24px 20px 26px}
}

/* roulang page: category2 */
:root{
  --brand:#0B5D57;
  --brand-2:#12A594;
  --brand-3:#63C7B2;
  --accent:#FF7A45;
  --gold:#F2B24B;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --line:#E3E7E4;
  --dark:#0A2B29;
  --t1:#10201E;
  --t2:#4A5C59;
  --t3:#7C8B88;
  --on-dark:#E8F5F2;
  --soft:#EAF5F2;
  --grad-brand:linear-gradient(135deg,#0B5D57 0%,#12A594 58%,#63C7B2 100%);
  --grad-accent:linear-gradient(135deg,#FF7A45 0%,#F2B24B 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(11,93,87,.06),0 8px 24px rgba(11,93,87,.06);
  --sh-2:0 12px 32px rgba(11,93,87,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:130px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease}
a:hover{color:var(--accent);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:.01em;color:var(--t1)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1440px){:root{--container:1320px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1.2;
  padding:12px 24px;border-radius:var(--r-p);border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,filter .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(11,93,87,.22);min-width:180px}
.btn-primary:hover{color:#fff;filter:brightness(1.04);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--soft);color:var(--brand)}
.btn-light{background:#fff;color:var(--brand);border-color:#fff}
.btn-light:hover{color:var(--brand);background:#F2FBF9}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-text{background:transparent;color:var(--brand);padding-left:6px;padding-right:6px}
.btn-text:hover{color:var(--accent)}
.btn-sm{padding:9px 16px;font-size:14px;min-width:auto}
.btn-lg{padding:14px 30px;font-size:16px}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-p);
  background:var(--soft);color:var(--brand);
  font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.pill-gold{background:#FDF3E0;color:#A96B10}
.pill-line{background:#fff;border:1px solid var(--line);color:var(--t2);font-weight:600}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(11,93,87,.04)}
.brand-row{height:64px;display:flex;align-items:center;transition:height .2s ease}
.brand-row-inner{display:flex;align-items:center;gap:24px;width:100%;height:100%}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;display:grid;place-items:center;
  box-shadow:0 6px 14px rgba(11,93,87,.25);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;color:var(--t1)}
.brand-text i{font-style:normal;font-size:12px;color:var(--t3)}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-p);padding:4px 4px 4px 14px;transition:border-color .2s,box-shadow .2s}
.nav-search:focus-within{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(18,165,148,.16)}
.nav-search i{color:var(--t3);font-size:13px}
.nav-search input{border:0;background:transparent;outline:none;font-size:14px;width:170px;color:var(--t1);padding:6px 0}
.nav-search input::placeholder{color:var(--t3)}
.nav-search button{border:0;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;padding:8px 16px;border-radius:var(--r-p);cursor:pointer;transition:filter .2s}
.nav-search button:hover{filter:brightness(1.05)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-s);border:1px solid var(--line);background:#fff;color:var(--brand);font-size:16px;cursor:pointer}

.channel-bar{background:#fff;border-top:1px solid var(--line);transition:opacity .2s}
.channel-bar-inner{display:flex;align-items:center;height:44px}
.channel-row{display:flex;align-items:center;gap:24px;width:100%;height:44px}
.chan-nav{display:flex;gap:22px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.chan-nav::-webkit-scrollbar{display:none}
.chan{position:relative;font-size:15px;font-weight:600;color:var(--t2);white-space:nowrap;padding:11px 0}
.chan::after{content:"";position:absolute;left:0;right:0;bottom:5px;height:2px;background:var(--brand-2);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.chan:hover{color:var(--brand);text-decoration:none}
.chan:hover::after{transform:scaleX(1)}
.chan.is-active{color:var(--brand);font-weight:700}
.chan.is-active::after{transform:scaleX(1);background:var(--accent)}
.chan-trends{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;flex:0 0 auto}
.chan-trends::-webkit-scrollbar{display:none}
.trend-cap{font-size:12px;padding:4px 12px;border-radius:var(--r-p);background:var(--soft);color:var(--brand);white-space:nowrap;font-weight:600}
.trend-cap:hover{background:#D6EFE9;color:var(--brand);text-decoration:none}
.site-header.is-compact .brand-row{height:56px}
.site-header.is-compact .channel-bar{display:none}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;padding:20px 20px 40px;
  transform:translateY(-101%);transition:transform .3s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.drawer-head b{font-size:16px}
.drawer-close{margin-left:auto;width:38px;height:38px;border-radius:var(--r-s);border:1px solid var(--line);background:#fff;color:var(--brand);font-size:16px;cursor:pointer}
.drawer-search{display:flex;gap:8px;margin-bottom:22px}
.drawer-search input{flex:1;border:1px solid var(--line);border-radius:14px;padding:11px 14px;font-size:14px;outline:none;background:var(--bg)}
.drawer-search input:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(18,165,148,.16)}
.drawer-search button{border:0;border-radius:14px;background:var(--grad-brand);color:#fff;font-weight:700;padding:0 18px;cursor:pointer}
.drawer-label{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--t3);margin:18px 0 10px}
.drawer-link{display:block;padding:12px 14px;border-radius:var(--r-s);font-size:15px;font-weight:600;color:var(--t2);border:1px solid var(--line);margin-bottom:8px;background:#fff}
.drawer-link:hover{text-decoration:none;color:var(--brand);border-color:var(--brand-2);background:var(--soft)}
.drawer-link.is-active{background:var(--soft);color:var(--brand);border-color:var(--brand-3)}
.drawer-trends{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.drawer-cta{width:100%;margin-top:6px}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--dark);padding:64px 0 56px}
.page-hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(10,43,41,.94) 0%,rgba(11,93,87,.78) 52%,rgba(18,165,148,.42) 100%)}
.hero-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#9FC9C1;margin-bottom:18px}
.crumb a{color:#9FC9C1}
.crumb a:hover{color:#fff;text-decoration:none}
.hero-kicker{font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand-3);margin-bottom:12px}
.page-hero h1{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.25;color:#fff;max-width:820px}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.8;color:#CFE9E4;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-badges li{
  font-size:13px;padding:6px 14px;border-radius:var(--r-p);
  background:rgba(255,255,255,.1);border:1px solid rgba(99,199,178,.34);
  color:#DCEEE9;font-variant-numeric:tabular-nums;
}

/* ============ 数据条 ============ */
.stat-strip{background:#fff;border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 0}
.stat{padding-left:16px;border-left:2px solid var(--brand-3)}
.stat b{display:block;font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.stat b.gold{color:var(--gold)}
.stat span{font-size:13px;color:var(--t3)}

/* ============ 内容布局 ============ */
.content-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;padding:56px 0 0}
.side-anchors{position:sticky;top:132px;align-self:start;display:flex;flex-direction:column;gap:4px;padding-bottom:16px}
.anchor-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--t3);margin-bottom:12px}
.anchor-link{display:block;padding:10px 14px;border-radius:var(--r-s);font-size:14px;font-weight:600;color:var(--t2);border-left:2px solid transparent;transition:.2s}
.anchor-link:hover{background:var(--soft);color:var(--brand);text-decoration:none}
.anchor-link.is-active{background:var(--soft);color:var(--brand);border-left-color:var(--accent)}
.side-note{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:16px;margin-top:18px;box-shadow:var(--sh-1)}
.side-note h4{font-size:14px;margin-bottom:6px}
.side-note p{font-size:13px;color:var(--t3);line-height:1.7}
.side-note .btn{width:100%;margin-top:12px}

.sec{padding-top:60px}
.sec:first-child{padding-top:0}
.sec-head{margin-bottom:24px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.sec-head p{margin-top:8px;font-size:15px;color:var(--t2);max-width:660px}

/* 行式列表卡 */
.row-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1)}
.row-card{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:18px;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line);transition:background .22s ease}
.row-card:last-child{border-bottom:0}
.row-card:hover{background:#F6FBF9}
.row-thumb{width:120px;height:80px;border-radius:var(--r-s);overflow:hidden;background:var(--soft);flex:0 0 auto}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.row-card:hover .row-thumb img{transform:scale(1.03)}
.row-body h3{font-size:17px;margin-bottom:6px}
.row-body p{font-size:14px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;font-size:12.5px;color:var(--t3);font-variant-numeric:tabular-nums}
.row-cta{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.row-cta:hover{color:var(--accent);text-decoration:none}

/* 时间轴 */
.timeline{margin:0}
.tl-item{position:relative;display:grid;grid-template-columns:44px minmax(0,1fr);gap:18px;padding-bottom:22px}
.tl-item::before{content:"";position:absolute;left:21px;top:48px;bottom:0;width:2px;background:linear-gradient(180deg,var(--brand-3),var(--line))}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-num{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;font-weight:800;font-size:16px;display:grid;place-items:center;box-shadow:0 6px 14px rgba(11,93,87,.22);font-variant-numeric:tabular-nums}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:18px 20px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.tl-body:hover{transform:translateY(-4px);border-color:var(--brand-2);box-shadow:var(--sh-2)}
.tl-body h3{font-size:17px;margin-bottom:6px}
.tl-body p{font-size:14.5px;color:var(--t2);line-height:1.78}

/* 规格对照 */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:26px}
.spec-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.spec-card:hover{transform:translateY(-4px);border-color:var(--brand-2);box-shadow:var(--sh-2)}
.spec-card h3{font-size:18px;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.spec-card h3 i{color:var(--brand-2)}
.spec-body{display:flex;flex-direction:column}
.spec-row{display:flex;justify-content:space-between;gap:16px;padding:10px 12px;border-radius:var(--r-s);font-size:14px}
.spec-body .spec-row:nth-child(odd){background:#F6FBF9}
.spec-row span:first-child{color:var(--t3)}
.spec-row span:last-child{color:var(--t1);font-weight:600;font-variant-numeric:tabular-nums;text-align:right}

/* 版本记录 */
.log-list{border-top:1px solid var(--line)}
.log-row{display:grid;grid-template-columns:112px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:start}
.log-date{font-size:12.5px;font-weight:700;color:var(--brand);background:var(--soft);border-radius:var(--r-p);padding:4px 10px;text-align:center;font-variant-numeric:tabular-nums}
.log-text h4{font-size:15.5px;margin-bottom:4px}
.log-text p{font-size:14px;color:var(--t2);line-height:1.75}

/* 折叠说明 */
.acc{display:flex;flex-direction:column;gap:12px}
.acc-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease}
.acc-item:hover{border-color:var(--brand-3)}
.acc-item.is-open{border-color:var(--brand-2);box-shadow:var(--sh-1)}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:transparent;border:0;font-size:16px;font-weight:700;color:var(--t1);text-align:left;cursor:pointer;line-height:1.5}
.acc-head:hover{color:var(--brand)}
.acc-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--soft);color:var(--brand);display:grid;place-items:center;font-size:13px;transition:transform .3s ease,background .3s ease,color .3s ease}
.acc-item.is-open .acc-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .34s ease}
.acc-item.is-open .acc-panel{max-height:900px}
.acc-inner{padding:0 20px 20px;background:linear-gradient(180deg,#F3FAF8,#EAF5F2);font-size:14.5px;color:var(--t2);line-height:1.82}
.acc-inner p+p{margin-top:10px}
.acc-inner strong{color:var(--brand);font-weight:700}

/* FAQ */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:20px 22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.faq-item:hover{transform:translateY(-3px);border-color:var(--brand-2);box-shadow:var(--sh-1)}
.faq-q{display:flex;gap:10px;align-items:flex-start;font-size:16.5px;font-weight:700;margin-bottom:8px}
.faq-q i{color:var(--brand-2);font-size:14px;margin-top:6px}
.faq-a{font-size:15px;color:var(--t2);line-height:1.82;padding-left:24px}

/* CTA */
.cta-section{padding:72px 0 84px}
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-l);background:var(--grad-brand);padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-2)}
.cta-band::before{content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,0) 68%)}
.cta-copy{position:relative;z-index:2;max-width:600px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-copy p{color:#D6EFE9;font-size:15px;line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{background:var(--dark);color:var(--on-dark);padding:64px 0 0}
.footer-top{padding-bottom:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px}
.footer-brand b{font-size:16px;color:#fff}
.footer-desc{font-size:14px;color:#9EC4BE;line-height:1.8;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a{font-size:14px;color:#9EC4BE}
.footer-col li a:hover{color:var(--accent);text-decoration:none}
.footer-contact p{font-size:14px;color:#9EC4BE;margin-bottom:8px}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(232,245,242,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8FB3AD}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-search{display:none}
  .nav-toggle{display:grid;place-items:center}
  .brand-tools .btn-sm{display:none}
  .chan-trends{display:none}
  .chan-nav{gap:18px}
  .content-layout{grid-template-columns:1fr;gap:0;padding-top:28px}
  .side-anchors{position:sticky;top:108px;z-index:20;flex-direction:row;gap:8px;overflow-x:auto;background:var(--bg);padding:12px 0;margin-bottom:6px;scrollbar-width:none}
  .side-anchors::-webkit-scrollbar{display:none}
  .anchor-title{display:none}
  .anchor-link{white-space:nowrap;background:#fff;border:1px solid var(--line);border-left:1px solid var(--line);border-radius:var(--r-p);padding:8px 16px;font-size:13.5px}
  .anchor-link.is-active{border-color:var(--brand-3);background:var(--soft);border-left-color:var(--brand-3)}
  .side-note{display:none}
  .spec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-header.is-compact .side-anchors-top{}
}
@media (max-width:767px){
  html{scroll-padding-top:110px}
  .sec{padding-top:44px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;padding:20px 0}
  .stat b{font-size:19px}
  .row-card{grid-template-columns:96px minmax(0,1fr);gap:14px;padding:16px}
  .row-thumb{width:96px;height:68px}
  .row-cta{grid-column:2;justify-self:start;margin-top:2px}
  .row-body h3{font-size:16px}
  .log-row{grid-template-columns:1fr;gap:8px}
  .log-date{justify-self:start;padding:3px 12px}
  .cta-section{padding:48px 0 64px}
  .cta-band{flex-direction:column;align-items:stretch;padding:30px 24px;gap:22px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{flex:1 1 auto}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .brand-text i{display:none}
  .brand-text b{font-size:15px}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
  .page-hero{padding:44px 0 40px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .faq-item{padding:16px 16px}
  .faq-a{padding-left:0}
  .acc-head{font-size:15px;padding:14px 16px}
  .acc-inner{padding:0 16px 16px}
  .spec-card{padding:18px}
  .spec-row{font-size:13.5px;gap:10px}
}