/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#12D8A0;
  --brand-strong:#0BB98A;
  --brand-soft:rgba(18,216,160,.10);
  --brand-line:rgba(18,216,160,.32);
  --accent:#FF6A1F;
  --accent-strong:#E85A12;
  --ink:#101418;
  --ink-2:#171C21;
  --paper:#F7F8F6;
  --card:#FFFFFF;
  --line:#E3E7E4;
  --line-soft:rgba(16,20,24,.08);
  --line-dark:rgba(255,255,255,.12);
  --text:#2A2F2C;
  --muted:#6B7280;
  --on-dark:rgba(255,255,255,.78);
  --warn:#F2A007;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --sh-1:0 2px 10px rgba(16,20,24,.06);
  --sh-2:0 10px 28px rgba(16,20,24,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","SFMono-Regular",Consolas,"PingFang SC",sans-serif;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
h1,h2,h3,h4{color:var(--ink);line-height:1.28;font-weight:700}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(18,216,160,.28)}
/* ============ 栅格与容器 ============ */
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.row{display:flex;flex-wrap:wrap;max-width:1304px;margin:0 auto -12px;padding:0 12px}
.column{width:100%;padding:12px}
.row.foundation-row{max-width:1304px}
@media screen and (min-width:641px){
  .column.medium-4{width:33.3333%}
  .column.medium-6{width:50%}
  .column.medium-8{width:66.6667%}
  .column.medium-12{width:100%}
}
@media screen and (min-width:1024px){
  .column.large-3{width:25%}
  .column.large-4{width:33.3333%}
  .column.large-6{width:50%}
  .column.large-8{width:66.6667%}
  .column.large-9{width:75%}
  .column.large-12{width:100%}
}
@media screen and (min-width:1440px){
  .container{padding:0 32px}
}
/* ============ 通用排版 ============ */
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-dark{background:var(--ink);color:var(--on-dark)}
.sec-dark h1,.sec-dark h2,.sec-dark h3,.sec-dark h4{color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px;font-size:32px;letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:24px;border-radius:2px;background:var(--brand)}
.sec-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}
.sec-dark .sec-sub{color:var(--on-dark)}
.lead{font-size:16px;line-height:1.85;color:var(--muted)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:600}
/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:all .2s var(--ease);white-space:nowrap}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,31,.24)}
.btn-accent:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,31,.32)}
.btn-accent:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(255,106,31,.24)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,216,160,.08)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-strong);background:var(--brand-soft)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-strong)}
.arrow-link i{transition:transform .2s var(--ease)}
.arrow-link:hover i{transform:translateX(4px)}
.sec-dark .arrow-link{color:var(--brand)}
/* ============ 胶囊与徽章 ============ */
.chip{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;background:var(--brand-soft);color:var(--brand-strong)}
.sec-dark .chip,.chip-dark{background:transparent;border:1px solid rgba(255,255,255,.2);color:var(--on-dark)}
.chip-accent{background:rgba(255,106,31,.12);color:var(--accent-strong)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;color:var(--muted);background:rgba(16,20,24,.04);border:1px solid var(--line)}
/* ============ 顶部装饰线 ============ */
.top-line{height:2px;width:100%;background:linear-gradient(90deg,var(--brand) 0%,rgba(18,216,160,.35) 45%,var(--accent) 100%)}
/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(16,20,24,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-dark);transition:all .2s var(--ease)}
.site-header.scrolled{background:rgba(16,20,24,.88)}
.site-header.scrolled .nav-inner{height:60px}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s var(--ease)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--brand),#0A8C68);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 1px rgba(255,255,255,.1) inset}
.brand-mark svg{width:20px;height:20px}
.brand-name{display:flex;flex-direction:column;line-height:1.1}
.brand-name b{font-size:17px;color:#fff;letter-spacing:.02em;font-weight:700}
.brand-name span{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.16em}
.nav-search{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0}
.search-box{position:relative;display:flex;align-items:center;width:100%;max-width:520px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-btn);height:42px;transition:all .2s var(--ease)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,216,160,.3);background:rgba(255,255,255,.1)}
.search-box i{position:absolute;left:14px;font-size:14px;color:rgba(255,255,255,.5)}
.search-box input{flex:1;height:100%;background:transparent;border:0;outline:none;color:#fff;padding:0 96px 0 38px;font-size:14px}
.search-box input::placeholder{color:rgba(255,255,255,.42)}
.search-box button{position:absolute;right:4px;top:4px;bottom:4px;padding:0 18px;border-radius:7px;background:var(--brand);color:#06231A;font-size:13px;font-weight:700;transition:background .18s var(--ease)}
.search-box button:hover{background:var(--brand-strong)}
.cat-nav{display:flex;align-items:center;gap:22px;font-size:14px}
.cat-nav a{position:relative;padding:4px 0;color:rgba(255,255,255,.72)}
.cat-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.cat-nav a:hover{color:#fff}
.cat-nav a:hover::after,.cat-nav a.active::after{transform:scaleX(1)}
.cat-nav a.active{color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-talk{display:flex;align-items:center;gap:7px;font-size:14px;color:rgba(255,255,255,.78)}
.nav-talk i{color:var(--brand)}
.nav-talk:hover{color:var(--brand)}
.nav-toggle{display:none;width:40px;height:38px;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-btn);color:#fff;font-size:15px}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
/* 抽屉 */
.drawer{position:fixed;top:0;right:-320px;width:300px;max-width:84vw;height:100%;background:var(--ink-2);z-index:90;transition:right .28s var(--ease);display:flex;flex-direction:column;border-left:1px solid var(--line-dark);padding:20px}
.drawer.open{right:0}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line-dark)}
.drawer-close{width:34px;height:34px;border:1px solid var(--line-dark);border-radius:9px;color:#fff}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:18px 0;flex:1}
.drawer-nav a{padding:11px 12px;border-radius:9px;color:rgba(255,255,255,.78);font-size:15px}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-nav a.active{color:var(--brand);background:var(--brand-soft)}
.drawer-foot{display:flex;flex-direction:column;gap:10px}
.drawer-mask{position:fixed;inset:0;background:rgba(16,20,24,.6);opacity:0;visibility:hidden;transition:all .25s var(--ease);z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
/* ============ Hero ============ */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;background:var(--ink);overflow:hidden;padding:96px 0 96px}
.hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;transform:scale(1.03)}
.hero-mask{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(16,20,24,.95) 0%,rgba(16,20,24,.82) 42%,rgba(16,20,24,.38) 100%),
  linear-gradient(180deg,rgba(16,20,24,.55) 0%,rgba(16,20,24,.05) 34%,rgba(16,20,24,.88) 100%)}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-copy{max-width:620px}
.eyebrow{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--brand-line);background:var(--brand-soft);color:var(--brand);font-size:12.5px;letter-spacing:.04em}
.hero h1{margin:22px 0 0;font-size:52px;line-height:1.16;letter-spacing:-.01em;color:#fff}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--on-dark);max-width:520px}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;align-items:center;gap:24px;margin-top:40px;flex-wrap:wrap}
.hero-stats li{position:relative;padding-right:24px}
.hero-stats li:not(:last-child)::after{content:"";position:absolute;right:0;top:6px;bottom:6px;width:1px;background:rgba(255,255,255,.18)}
.hero-stats strong{display:block;font-family:var(--font-num);font-size:24px;color:var(--brand);letter-spacing:.01em}
.hero-stats span{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.02em}
.hero-poster{position:absolute;right:32px;bottom:24px;width:288px;border-radius:var(--r-hero);overflow:hidden;border:1px solid rgba(255,255,255,.16);background:var(--ink-2);z-index:2;transition:transform .25s var(--ease),border-color .25s var(--ease)}
.hero-poster img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .4s var(--ease)}
.hero-poster:hover{transform:translateY(-4px);border-color:var(--brand)}
.hero-poster:hover img{transform:scale(1.04)}
.poster-tag{position:absolute;left:14px;top:14px;height:26px;display:inline-flex;align-items:center;padding:0 12px;border-radius:var(--r-pill);background:rgba(16,20,24,.72);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:12px}
.poster-cap{position:absolute;left:0;right:0;bottom:0;padding:16px;background:linear-gradient(180deg,rgba(16,20,24,0),rgba(16,20,24,.92));color:#fff;font-size:14px;font-weight:600}
.hero-bars{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.hero-bars span{width:42px;height:3px;border-radius:2px;background:rgba(255,255,255,.2)}
.hero-bars span.on{background:var(--brand)}
/* ============ 横滑片库 ============ */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{content:"";position:absolute;top:0;bottom:24px;width:56px;z-index:3;pointer-events:none}
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--paper),rgba(247,248,246,0))}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--paper),rgba(247,248,246,0))}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 24px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 320px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all .2s var(--ease);display:flex;flex-direction:column}
.rail-card:hover{box-shadow:var(--sh-2);border-color:var(--brand-line);transform:translateY(-3px)}
.media{position:relative;overflow:hidden;background:var(--ink)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rail-card:hover .media img{transform:scale(1.04)}
.media-16x9{aspect-ratio:16/9}
.media-4x3{aspect-ratio:4/3}
.media-1x1{aspect-ratio:1/1}
.media-tag{position:absolute;left:12px;top:12px;height:24px;display:inline-flex;align-items:center;padding:0 10px;border-radius:var(--r-pill);background:rgba(16,20,24,.74);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:11.5px}
.media-code{position:absolute;right:12px;bottom:12px;font-family:var(--font-num);font-size:12px;letter-spacing:.04em;color:#fff;background:rgba(16,20,24,.7);border:1px solid rgba(255,255,255,.16);border-radius:7px;padding:3px 8px}
.rail-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.rail-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px}
.param-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.rail-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft)}
.rail-btn{position:absolute;top:calc(50% - 30px);width:36px;height:36px;border-radius:50%;background:rgba(16,20,24,.62);color:#fff;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;z-index:5;transition:all .2s var(--ease)}
.rail-btn:hover{background:var(--brand);color:#06231A;border-color:var(--brand)}
.rail-btn.prev{left:-6px}
.rail-btn.next{right:-6px}
/* ============ 热播推荐 ============ */
.feature-card{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--ink);min-height:100%;display:block;border:1px solid var(--line)}
.feature-card img{width:100%;height:100%;min-height:420px;object-fit:cover;transition:transform .45s var(--ease)}
.feature-card:hover img{transform:scale(1.03)}
.feature-overlay{position:absolute;inset:0;padding:32px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,rgba(16,20,24,.15) 0%,rgba(16,20,24,.55) 55%,rgba(16,20,24,.93) 100%)}
.feature-overlay h3{color:#fff;font-size:26px;line-height:1.35;margin-top:14px}
.feature-overlay p{color:var(--on-dark);font-size:14.5px;margin-top:10px;max-width:520px}
.feature-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.feature-tags .chip-dark{height:26px}
.rank-list{display:flex;flex-direction:column;gap:14px;height:100%}
.rank-item{display:flex;gap:14px;align-items:flex-start;padding:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:all .2s var(--ease);flex:1}
.rank-item:hover{border-color:var(--brand-line);box-shadow:var(--sh-2);transform:translateY(-2px)}
.rank-no{font-family:var(--font-num);font-size:20px;color:transparent;-webkit-text-stroke:1px var(--brand);line-height:1}
.rank-thumb{width:72px;height:72px;border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--ink)}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-item h4{font-size:16px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-item p{font-size:13px;color:var(--muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rank-meta{margin-top:8px;font-size:12px;color:var(--muted);letter-spacing:.02em}
/* ============ 片单分区 ============ */
.slate{position:relative;display:block;border-radius:var(--r-card);overflow:hidden;background:var(--ink);border:1px solid var(--line)}
.slate img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .45s var(--ease)}
.slate-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,.25) 0%,rgba(16,20,24,.72) 62%,rgba(16,20,24,.94) 100%);transition:opacity .25s var(--ease)}
.slate-body{position:absolute;left:0;right:0;bottom:0;padding:22px}
.slate-no{font-family:var(--font-num);font-size:13px;color:var(--brand);letter-spacing:.14em}
.slate-body h3{color:#fff;font-size:19px;margin-top:6px}
.slate-body p{color:rgba(255,255,255,.62);font-size:13px;margin-top:6px}
.slate-go{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13px;color:#fff;transition:transform .2s var(--ease)}
.slate:hover img{transform:scale(1.03)}
.slate:hover .slate-mask{opacity:.86}
.slate:hover .slate-go{transform:translateX(4px)}
/* ============ 最新信息（CMS） ============ */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filter-row button{height:32px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;transition:all .18s var(--ease)}
.filter-row button:hover{border-color:var(--brand);color:var(--brand-strong)}
.filter-row button.on{background:var(--brand);border-color:var(--brand);color:#06231A;font-weight:600}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{position:relative;display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:all .2s var(--ease)}
.news-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:56px;border-radius:3px 0 0 0;background:linear-gradient(90deg,var(--brand),var(--accent));opacity:0;transition:opacity .2s var(--ease)}
.news-card:hover{box-shadow:var(--sh-2);border-color:var(--brand-line);transform:translateY(-3px)}
.news-card:hover::before{opacity:1}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.news-card h3{margin-top:14px;font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--brand-strong)}
.news-card p{margin-top:12px;font-size:14.5px;line-height:1.78;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between}
.news-hit{position:absolute;inset:0;z-index:1}
.news-card .arrow-link,.news-card .news-meta{position:relative;z-index:2}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:200px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;color:var(--muted);text-align:center;padding:32px}
.empty-state i{font-size:26px;color:var(--brand)}
.empty-state a{color:var(--brand-strong);font-weight:600}
/* ============ 信任区 ============ */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff}
.trust-cell{padding:30px 26px;border-right:1px solid var(--line);transition:background .2s var(--ease)}
.trust-cell:last-child{border-right:0}
.trust-cell:hover{background:var(--brand-soft)}
.trust-cell strong{display:block;font-family:var(--font-num);font-size:30px;color:var(--ink);letter-spacing:.01em}
.trust-cell span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted)}
.partner-wall{display:flex;flex-wrap:wrap;gap:12px 34px;margin-top:26px;padding-top:26px;border-top:1px solid var(--line-soft)}
.partner-wall span{font-size:14px;color:var(--muted);letter-spacing:.02em;transition:color .2s var(--ease)}
.partner-wall span:hover{color:var(--brand-strong)}
/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.open{border-color:var(--brand-line);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:600;color:var(--ink)}
.faq-q i{flex-shrink:0;color:var(--brand-strong);transition:transform .22s var(--ease)}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}
/* ============ CTA 与表单 ============ */
.cta-block{position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark)}
.cta-block::before{content:"";position:absolute;left:-10%;top:-40%;width:70%;height:180%;background:radial-gradient(circle,rgba(18,216,160,.10) 0%,rgba(18,216,160,0) 62%)}
.cta-block::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;opacity:.6}
.cta-inner{position:relative;z-index:2}
.cta-deco{margin-top:28px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-dark)}
.cta-deco img{width:100%;aspect-ratio:16/10;object-fit:cover}
.form-panel{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.02em}
.field input,.field textarea{width:100%;min-height:46px;padding:11px 14px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);color:#fff;outline:none;transition:all .18s var(--ease)}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.34)}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,216,160,.28);background:rgba(255,255,255,.07)}
.field.error input,.field.error textarea{border-color:var(--warn)}
.field .tip{font-size:12.5px;color:var(--warn);display:none}
.field.error .tip{display:block}
.form-note{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.5)}
.form-ok{margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand);font-size:13.5px;display:none}
.form-ok.show{display:block}
/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--on-dark);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:11px}
.foot-brand b{font-size:18px;color:#fff}
.foot-desc{margin-top:18px;font-size:14px;line-height:1.85;max-width:340px}
.foot-contact{margin-top:16px;display:flex;flex-direction:column;gap:8px;font-size:14px}
.foot-contact span{display:flex;align-items:center;gap:8px}
.foot-contact i{color:var(--brand);width:16px}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:var(--on-dark)}
.foot-links a:hover{color:var(--brand)}
.foot-bottom{margin-top:48px;border-top:1px solid var(--line-dark);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);color:#fff;display:flex;align-items:center;justify-content:center;transition:all .2s var(--ease)}
.to-top:hover{background:var(--brand);border-color:var(--brand);color:#06231A}
/* ============ 响应式 ============ */
@media screen and (max-width:1439px){
  .hero h1{font-size:44px}
  .hero-poster{width:250px}
}
@media screen and (max-width:1024px){
  .sec{padding:64px 0}
  .sec-title{font-size:26px}
  .cat-nav{display:none}
  .search-box{max-width:320px}
  .nav-search{align-items:flex-start;padding-left:6px}
  .hero{min-height:72vh;padding:80px 0 80px}
  .hero-poster{display:none}
  .hero h1{font-size:34px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-cell:nth-child(2){border-right:0}
  .trust-cell:nth-child(1),.trust-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:640px){
  .sec{padding:48px 0}
  .container{padding:0 16px}
  .row{padding:0 4px}
  .column{padding:12px}
  .nav-inner{height:64px;gap:12px;flex-wrap:wrap;padding:10px 0}
  .site-header.scrolled .nav-inner{height:auto}
  .nav-search{order:3;flex-basis:100%;padding-left:0;align-items:stretch;margin-top:4px;padding-bottom:10px}
  .search-box{max-width:100%}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .nav-talk{display:none}
  .hero{min-height:62vh;padding:64px 0 72px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15px}
  .hero-cta{width:100%}
  .hero-cta .btn{flex:1}
  .hero-stats{gap:16px;margin-top:28px}
  .hero-stats li{padding-right:16px}
  .hero-stats strong{font-size:19px}
  .hero-bars span{width:28px}
  .sec-title{font-size:22px}
  .rail-card{flex:0 0 78vw}
  .rail-btn{display:none}
  .rail-wrap::before,.rail-wrap::after{display:none}
  .feature-card img{min-height:230px}
  .feature-overlay{padding:22px}
  .feature-overlay h3{font-size:20px}
  .news-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .trust-cell{border-right:0;border-bottom:1px solid var(--line)}
  .trust-cell:last-child{border-bottom:0}
  .form-grid{grid-template-columns:1fr}
  .form-panel{padding:22px}
  .form-panel .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{font-size:15px;padding:18px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: article */
:root{
  --brand:#12D8A0;
  --brand-dark:#0BB98A;
  --brand-soft:rgba(18,216,160,.10);
  --accent:#FF6A1F;
  --accent-dark:#E25510;
  --ink:#101418;
  --ink-2:#171C21;
  --bg:#F7F8F6;
  --card:#FFFFFF;
  --line:#E3E7E4;
  --text:#2A2F2C;
  --muted:#6B7280;
  --warn:#F2A007;
  --line-dark:rgba(255,255,255,.12);
  --text-dark:rgba(255,255,255,.78);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --r-input:10px;
  --sh-1:0 2px 10px rgba(16,20,24,.06);
  --sh-2:0 10px 28px rgba(16,20,24,.12);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{padding:0 32px}}
.grid-x{display:flex;flex-wrap:wrap;margin:0}
.grid-x>.cell{width:100%;padding:0;min-width:0}
.grid-padding-x{margin:0 -12px}
.grid-padding-x>.cell{padding:0 12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:all .2s ease-out;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,106,31,.28)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,31,.34)}
.btn-accent:active{transform:translateY(0);box-shadow:0 3px 10px rgba(255,106,31,.3)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-line{background:transparent;border-color:var(--line);color:var(--text)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}
.btn-wide{width:100%}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.02em;background:var(--brand-soft);color:var(--brand-dark);
}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.tag-dark{background:transparent;border:1px solid rgba(255,255,255,.24);color:var(--text-dark)}
.sec-title{display:flex;align-items:center;gap:12px;font-size:30px;font-weight:700;line-height:1.25;color:var(--text)}
.sec-title::before{content:"";width:4px;height:24px;border-radius:2px;background:var(--brand)}
@media (max-width:640px){.sec-title{font-size:24px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(16,20,24,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-dark);
}
.site-header::before{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:72px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px}
.brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand-name b{color:#fff;font-size:15px;letter-spacing:.02em}
.brand-name span{color:var(--text-dark);font-size:11.5px;letter-spacing:.14em}
.nav-search{display:flex;flex-direction:column;gap:8px;flex:1 1 auto;max-width:620px;margin:0 auto}
.search-box{
  display:flex;align-items:center;gap:10px;background:#fff;border-radius:var(--r-input);
  border:1.5px solid transparent;padding:4px 4px 4px 14px;transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{
  flex:1 1 auto;border:0;outline:none;background:transparent;height:34px;
  font-size:14px;color:var(--text);min-width:0;
}
.search-box input::placeholder{color:#9AA3AA}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,216,160,.32)}
.search-box button{
  border:0;border-radius:8px;background:var(--brand);color:#06231A;font-weight:700;
  padding:9px 20px;cursor:pointer;font-size:14px;transition:background .2s ease-out;
}
.search-box button:hover{background:var(--brand-dark)}
.cat-nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cat-nav a{
  position:relative;color:var(--text-dark);font-size:14px;padding:2px 0;
  transition:color .2s ease-out;
}
.cat-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:1px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.cat-nav a:hover{color:#fff}
.cat-nav a:hover::after{transform:scaleX(1)}
.cat-nav a.active{color:var(--brand)}
.cat-nav a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.nav-talk{display:inline-flex;align-items:center;gap:6px;color:var(--text-dark);font-size:14px;white-space:nowrap;transition:color .2s ease-out}
.nav-talk:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-dark);
  background:transparent;color:#fff;cursor:pointer;align-items:center;justify-content:center;
}
@media (max-width:1024px){
  .nav-inner{flex-wrap:wrap;gap:12px 16px}
  .nav-search{order:3;flex-basis:100%;max-width:none;margin:0}
  .cat-nav{display:none;flex-direction:column;align-items:flex-start;gap:0;width:100%;
    border-top:1px solid var(--line-dark);padding-top:6px;margin-top:4px}
  .cat-nav a{padding:10px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.06)}
  .cat-nav a::after{display:none}
  .site-header.nav-open .cat-nav{display:flex}
  .nav-toggle{display:inline-flex}
  .nav-talk{display:none}
}
@media (max-width:640px){
  .brand-name span{display:none}
  .nav-inner{min-height:60px;padding:8px 0}
  .search-box button{padding:9px 14px}
  .nav-right{gap:8px}
  .nav-right .btn{padding:10px 16px;font-size:14px}
}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);letter-spacing:.02em;
}
.crumb a{color:var(--muted);transition:color .2s ease-out}
.crumb a:hover{color:var(--brand-dark)}
.crumb .sep{color:#C3C9C6}
.crumb .current{color:var(--brand-dark);font-weight:600}

/* ---------- article head ---------- */
.art-hero{
  background:
    linear-gradient(180deg,rgba(16,20,24,.92),rgba(16,20,24,.82)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  padding:32px 0 48px;
  border-bottom:1px solid var(--line-dark);
}
.art-hero .crumb,.art-hero .crumb a{color:rgba(255,255,255,.62)}
.art-hero .crumb .current{color:var(--brand)}
.art-hero .crumb a:hover{color:#fff}
.art-title{
  margin-top:22px;color:#fff;font-size:40px;font-weight:700;line-height:1.22;letter-spacing:-.01em;
  max-width:900px;
}
.art-meta{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:20px;
  font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.02em;
}
.art-meta span{display:inline-flex;align-items:center;gap:6px}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.32)}
@media (max-width:1024px){.art-title{font-size:32px}}
@media (max-width:640px){
  .art-hero{padding:24px 0 36px}
  .art-title{font-size:26px;margin-top:16px}
}

/* ---------- layout ---------- */
.art-main{padding:56px 0 72px}
.art-layout{display:flex;flex-wrap:wrap;gap:48px}
.art-col-main{flex:1 1 660px;min-width:0}
.art-col-side{flex:0 1 320px;min-width:0}
@media (max-width:1024px){
  .art-main{padding:40px 0 56px}
  .art-layout{gap:32px}
  .art-col-side{flex:1 1 100%}
}

/* ---------- article body ---------- */
.paper{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-1);
}
@media (max-width:640px){.paper{padding:24px 18px}}
.art-body{max-width:800px;font-size:16px;line-height:1.9;color:var(--text)}
.art-body p{margin:0 0 1.2em}
.art-body h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.35;color:var(--text);
  margin:2em 0 .8em;padding-left:16px;
}
.art-body h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:1.05em;border-radius:2px;background:var(--brand)}
.art-body h3{font-size:19px;font-weight:600;color:var(--text);margin:1.6em 0 .6em}
.art-body h4{font-size:16.5px;font-weight:600;margin:1.4em 0 .5em}
.art-body ul,.art-body ol{margin:0 0 1.2em;padding-left:1.2em}
.art-body ul{list-style:none;padding-left:0}
.art-body ul li{position:relative;padding-left:20px;margin-bottom:.5em}
.art-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--brand)}
.art-body ol{list-style:decimal}
.art-body ol li{margin-bottom:.5em}
.art-body a{color:var(--brand-dark);border-bottom:1px solid rgba(11,185,138,.4);transition:color .2s ease-out,border-color .2s ease-out}
.art-body a:hover{color:var(--accent);border-color:var(--accent)}
.art-body img{border-radius:12px;margin:1.4em 0;width:100%}
.art-body figure{margin:1.4em 0}
.art-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.art-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:rgba(18,216,160,.06);border-radius:0 12px 12px 0;color:#3A423E;
}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px;border:1px solid var(--line)}
.art-body thead th{background:#F1F4F1;font-weight:600;text-align:left}
.art-body th,.art-body td{border-bottom:1px solid var(--line);padding:11px 14px;vertical-align:top}
.art-body tbody tr:last-child td{border-bottom:0}
.art-body pre{
  background:var(--ink);color:#E6F5EF;font-family:var(--mono);font-size:13.5px;line-height:1.7;
  padding:18px;border-radius:12px;overflow-x:auto;margin:1.4em 0;
}
.art-body code{font-family:var(--mono);font-size:14px;background:rgba(16,20,24,.06);padding:2px 6px;border-radius:6px}
.art-body pre code{background:transparent;padding:0;color:inherit}
.art-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:240px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:30px;color:#C3C9C6}
.empty-state a{color:var(--brand-dark);font-weight:600;border-bottom:1px solid rgba(11,185,138,.4)}

/* ---------- side ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);margin-bottom:20px;
}
.side-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3 i{color:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;transition:all .2s ease-out;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand-dark);border-left-color:var(--brand)}
.rel-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.rel-list li:last-child{border-bottom:0;padding-bottom:0}
.rel-list img{width:72px;height:54px;object-fit:cover;border-radius:9px;flex:0 0 auto;background:var(--ink)}
.rel-list b{display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--text);transition:color .2s ease-out}
.rel-list li:hover b{color:var(--brand-dark)}
.rel-list span{font-size:12px;color:var(--muted);letter-spacing:.02em}
.side-cta{
  background:var(--ink);border-radius:var(--r-card);padding:24px;color:var(--text-dark);
  border:1px solid var(--line-dark);
}
.side-cta h3{color:#fff;font-size:17px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:13.5px;line-height:1.7;margin-bottom:16px}
.side-sticky{position:sticky;top:104px}
@media (max-width:1024px){.side-sticky{position:static}}

/* ---------- tags & pager ---------- */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--muted);margin-right:2px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
@media (max-width:640px){.pager{grid-template-columns:1fr}}
.pager a{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;transition:all .2s ease-out;box-shadow:var(--sh-1);
}
.pager a:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-2px)}
.pager span{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.06em;margin-bottom:6px}
.pager b{display:block;font-size:15px;font-weight:600;line-height:1.5;color:var(--text)}

/* ---------- related ---------- */
.related{padding:64px 0 72px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-dark)}
.link-more i{transition:transform .2s ease-out}
.link-more:hover i{transform:translateX(4px)}
.card{
  display:flex;flex-direction:column;height:100%;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:all .2s ease-out;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6DCD8}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{
  position:absolute;top:12px;left:12px;height:24px;display:inline-flex;align-items:center;
  padding:0 10px;border-radius:var(--r-pill);background:rgba(16,20,24,.78);color:#fff;font-size:12px;
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);
}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:600}
.card-foot .go i{transition:transform .2s ease-out}
.card:hover .card-foot .go i{transform:translateX(4px)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--ink);color:var(--text-dark);padding:72px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 300px at 18% 20%,rgba(18,216,160,.14),transparent 70%);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;gap:48px;flex-wrap:wrap}
.cta-copy{flex:1 1 460px;min-width:0}
.cta-copy h2{color:#fff;font-size:32px;font-weight:700;line-height:1.3;margin-bottom:14px}
.cta-copy p{font-size:15px;max-width:560px;margin-bottom:24px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-visual{flex:1 1 360px;min-width:0}
.cta-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;border:1px solid var(--line-dark)}
@media (max-width:640px){
  .cta-band{padding:48px 0}
  .cta-copy h2{font-size:24px}
  .cta-actions .btn{width:100%}
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-2);color:var(--text-dark);padding:64px 0 0;border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
@media (max-width:1024px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:640px){.foot-grid{grid-template-columns:1fr;gap:24px}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:11px}
.foot-brand b{color:#fff;font-size:17px;letter-spacing:.02em}
.foot-desc{font-size:14px;line-height:1.8;max-width:340px;margin-bottom:18px}
.foot-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px}
.foot-contact span{display:inline-flex;align-items:center;gap:8px}
.foot-contact i{color:var(--brand)}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:11px;font-size:14px}
.foot-links a{color:var(--text-dark);transition:color .2s ease-out}
.foot-links a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 0 28px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line-dark);background:transparent;
  color:#fff;cursor:pointer;transition:all .2s ease-out;
}
.to-top:hover{background:var(--brand);border-color:var(--brand);color:#06231A}
@media (max-width:640px){.foot-bottom{flex-direction:column;align-items:flex-start}}

/* roulang page: category1 */
:root{
  --brand:#12D8A0;
  --brand-dark:#0BB98A;
  --brand-soft:rgba(18,216,160,.10);
  --accent:#FF6A1F;
  --accent-dark:#E85A12;
  --ink:#101418;
  --ink-2:#171C21;
  --paper:#F7F8F6;
  --card:#FFFFFF;
  --line:#E3E7E4;
  --text:#2A2F2C;
  --muted:#6B7280;
  --warn:#F2A007;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:18px;
  --sh-1:0 2px 10px rgba(16,20,24,.06);
  --sh-2:0 10px 28px rgba(16,20,24,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out}
img{max-width:100%;display:block;border:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(18,216,160,.28)}
.num{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-variant-numeric:tabular-nums}

/* Foundation 覆盖 */
.row{max-width:100%;margin-left:0;margin-right:0}
.column,.columns{padding-left:12px;padding-right:12px}
.row .row{margin-left:0;margin-right:0}

.container{max-width:1280px;margin:0 auto;padding:0 24px;width:100%}
@media (min-width:1440px){.container{padding:0 32px}}

/* ============ 顶部装饰线 & header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--brand) 45%,var(--accent) 100%);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:78px;transition:height .2s ease-out}
.site-header.is-scrolled .nav-inner{height:60px}
.site-header.is-scrolled{background:rgba(16,20,24,.92);border-bottom-color:rgba(255,255,255,.12)}
.site-header.is-scrolled .brand-name b,.site-header.is-scrolled .brand-name span{color:#fff}
.site-header.is-scrolled .brand-name span{color:rgba(255,255,255,.62)}
.site-header.is-scrolled .cat-nav a{color:rgba(255,255,255,.72)}
.site-header.is-scrolled .cat-nav a.active{color:var(--brand)}
.site-header.is-scrolled .search-box{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
.site-header.is-scrolled .search-box input{color:#fff}
.site-header.is-scrolled .nav-talk{color:rgba(255,255,255,.8)}
.site-header.is-scrolled .nav-toggle{color:#fff}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#0AA177);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(18,216,160,.28);
  flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px}
.brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand-name b{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-name span{font-size:11px;letter-spacing:.14em;color:var(--muted);white-space:nowrap}

.nav-search{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:min(520px,100%);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:3px 3px 3px 14px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,216,160,.18)}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{
  flex:1;min-width:0;height:36px;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:#9AA3A0}
.search-box button{
  background:var(--brand);color:#06231A;font-size:13px;font-weight:700;
  padding:0 16px;height:36px;border-radius:8px;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.search-box button:hover{background:var(--brand-dark);color:#fff}

.cat-nav{display:flex;align-items:center;gap:20px;font-size:13.5px;flex-wrap:wrap;justify-content:center}
.cat-nav a{color:#525B57;font-weight:500;padding:2px 0;border-bottom:2px solid transparent;white-space:nowrap}
.cat-nav a:hover{color:var(--brand-dark)}
.cat-nav a.active{color:var(--brand-dark);border-bottom-color:var(--brand);font-weight:700}

.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-talk{display:flex;align-items:center;gap:6px;font-size:14px;color:#525B57;white-space:nowrap}
.nav-talk i{color:var(--brand-dark)}
.nav-talk:hover{color:var(--brand-dark)}
.nav-toggle{display:none;font-size:19px;color:var(--ink);padding:8px 10px;border-radius:8px}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-dark)}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,20,24,.55);
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;z-index:80;padding:22px 22px 40px;
  transform:translateX(102%);transition:transform .24s ease-out;
  overflow-y:auto;border-left:1px solid var(--line);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{font-size:18px;color:var(--muted);padding:6px 10px;border-radius:8px}
.drawer-close:hover{color:var(--brand-dark);background:var(--brand-soft)}
.drawer-title{font-size:12px;letter-spacing:.14em;color:var(--muted);margin:22px 0 10px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  padding:13px 4px;font-size:15px;border-bottom:1px solid var(--line);color:#404743;
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a::after{content:"›";color:#C3CAC6;font-size:17px}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand-dark)}
.drawer-nav a.active{font-weight:700}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:all .2s ease-out;white-space:nowrap;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,106,31,.24)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,31,.32)}
.btn-accent:active{transform:translateY(0);box-shadow:0 2px 8px rgba(255,106,31,.24)}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,216,160,.12)}
.btn-line{border:1px solid var(--line);background:#fff;color:var(--text)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);transform:translateY(-1px)}
.btn-text{color:var(--brand-dark);font-weight:600;display:inline-flex;align-items:center;gap:6px;font-size:14.5px}
.btn-text i{transition:transform .18s ease-out}
.btn-text:hover i{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ============ 通用胶囊 / 标签 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--brand-soft);color:#0A8E6C;white-space:nowrap;
}
.pill-orange{background:rgba(255,106,31,.12);color:#C74E0D}
.pill-line{background:#fff;border:1px solid var(--line);color:var(--muted)}
.pill-dark{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.82)}

/* ============ 分类页头 ============ */
.page-head{
  position:relative;color:#fff;overflow:hidden;
  background:#101418 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height:300px;display:flex;align-items:center;
  padding:60px 0 56px;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,20,24,.94) 0%,rgba(16,20,24,.78) 45%,rgba(16,20,24,.42) 100%),
             linear-gradient(180deg,rgba(16,20,24,0) 55%,rgba(16,20,24,.85) 100%);
}
.page-head .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.34)}
.crumb .cur{color:var(--brand)}
.page-head h1{
  font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.22;letter-spacing:-.01em;
  color:#fff;max-width:760px;
}
.page-head h1 em{font-style:normal;color:var(--brand)}
.page-head .head-desc{
  margin-top:16px;max-width:660px;font-size:15.5px;line-height:1.85;
  color:rgba(255,255,255,.78);
}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ============ 数据指标条 ============ */
.stat-band{
  background:var(--ink-2);color:rgba(255,255,255,.78);
  border-top:1px solid rgba(255,255,255,.08);
  padding:36px 0;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{border-left:1px solid rgba(255,255,255,.14);padding-left:18px}
.stat-item .v{font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;letter-spacing:-.01em}
.stat-item .v small{font-size:14px;font-weight:600;margin-left:3px}
.stat-item .k{font-size:13px;color:rgba(255,255,255,.6);margin-top:6px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:40px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,31px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:24px;border-radius:2px;background:var(--brand);
}
.sec-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}

/* ============ 筛选胶囊 ============ */
.filter-bar{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:8px;
}
.filter-label{font-size:13px;color:var(--muted);letter-spacing:.04em;flex-shrink:0}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px}
.filter-pills a{
  display:inline-flex;align-items:center;height:30px;padding:0 15px;border-radius:var(--r-pill);
  font-size:13.5px;color:#525B57;border:1px solid var(--line);background:#fff;
  transition:all .18s ease-out;
}
.filter-pills a:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}
.filter-pills a.active{background:var(--brand);border-color:var(--brand);color:#06231A;font-weight:700}

/* ============ 行式列表（左图右文） ============ */
.row-list{margin-top:12px}
.row-item{
  padding:32px 0;border-bottom:1px solid var(--line);
}
.row-item:first-child{border-top:1px solid var(--line)}
.row-item .row{align-items:center}
.row-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:#101418;
  aspect-ratio:16/10;
}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.row-item:hover .row-media img{transform:scale(1.04)}
.row-media .corner{
  position:absolute;top:12px;left:12px;
  background:rgba(16,20,24,.72);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:12px;padding:3px 10px;border-radius:var(--r-pill);
  backdrop-filter:blur(6px);
}
.row-body h3{font-size:21px;font-weight:700;color:var(--ink);line-height:1.4;letter-spacing:-.01em}
.row-body h3 a:hover{color:var(--brand-dark)}
.row-body .excerpt{margin-top:12px;font-size:15px;color:#4C5450;line-height:1.85}
.spec-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.spec-list span{
  font-size:12.5px;color:#0A8E6C;background:var(--brand-soft);
  border-radius:var(--r-pill);padding:4px 12px;height:26px;display:inline-flex;align-items:center;
}
.row-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px;flex-wrap:wrap}
.row-meta{font-size:12.5px;color:var(--muted);letter-spacing:.02em}

/* ============ 交付流程 ============ */
.flow-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.flow-item{background:#fff;padding:28px 24px 30px;transition:background-color .2s ease-out}
.flow-item:hover{background:#FBFCFB}
.flow-num{
  font-size:22px;font-weight:700;color:transparent;
  -webkit-text-stroke:1px var(--brand);letter-spacing:.04em;line-height:1;
}
.flow-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-top:14px}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:10px}

/* ============ 横滑交叉入口 ============ */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:16px;width:56px;pointer-events:none;z-index:2;
}
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--paper),rgba(247,248,246,0))}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--paper),rgba(247,248,246,0))}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 18px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
  display:flex;flex-direction:column;
}
.rail-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(18,216,160,.45)}
.rail-media{position:relative;aspect-ratio:16/9;background:#101418;overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.rail-card:hover .rail-media img{transform:scale(1.05)}
.rail-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rail-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45}
.rail-body p{font-size:13.5px;color:var(--muted);line-height:1.75}
.rail-body .go{margin-top:auto;font-size:13.5px;color:var(--brand-dark);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.rail-body .go i{transition:transform .18s ease-out}
.rail-card:hover .rail-body .go i{transform:translateX(4px)}
.rail-btn{
  position:absolute;top:50%;transform:translateY(-60%);
  width:38px;height:38px;border-radius:50%;
  background:rgba(16,20,24,.72);color:#fff;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;font-size:14px;z-index:3;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.rail-btn:hover{background:var(--brand);color:#06231A}
.rail-btn.prev{left:-6px}
.rail-btn.next{right:-6px}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{border-color:#D3DAD6}
.faq-item.is-open{border-color:rgba(18,216,160,.45);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .ico{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-dark);
  transition:transform .22s ease-out,border-color .22s ease-out;
  font-size:13px;
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);border-color:var(--brand);color:var(--brand-dark)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.85}
.faq-a p strong{color:var(--text);font-weight:600}

/* ============ CTA + 表单 ============ */
.cta-band{
  position:relative;background:var(--ink);color:rgba(255,255,255,.78);overflow:hidden;
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(620px 320px at 12% 18%, rgba(18,216,160,.16), transparent 70%),
    radial-gradient(520px 300px at 92% 88%, rgba(255,106,31,.10), transparent 72%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:auto,auto,34px 34px,34px 34px;
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:2}
.cta-title{font-size:clamp(24px,3vw,34px);font-weight:700;color:#fff;line-height:1.3;letter-spacing:-.01em}
.cta-title em{font-style:normal;color:var(--brand)}
.cta-desc{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.72);max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.form-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-hero);padding:28px;
}
.form-card h3{font-size:18px;color:#fff;font-weight:700;margin-bottom:6px}
.form-card .tip{font-size:13px;color:rgba(255,255,255,.56);margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:13px;color:rgba(255,255,255,.72);letter-spacing:.02em}
.field input,.field textarea{
  height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.05);color:#fff;
  font-size:14.5px;transition:border-color .18s ease-out,box-shadow .18s ease-out;outline:0;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:96px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,216,160,.18)}
.form-card .btn{width:100%}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.1)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:12px}
.foot-brand .brand-mark svg{width:24px;height:24px}
.foot-brand b{font-size:17px;color:#fff;font-weight:700;line-height:1.4}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:380px}
.foot-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.58)}
.foot-contact i{color:var(--brand);margin-right:8px}
.site-footer h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.62)}
.foot-links a:hover{color:var(--brand)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  color:#fff;display:flex;align-items:center;justify-content:center;
  transition:all .2s ease-out;flex-shrink:0;
}
.to-top:hover{background:var(--brand);border-color:var(--brand);color:#06231A;transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .cat-nav{display:none}
  .section{padding:64px 0}
  .cta-band{padding:64px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-toggle{display:flex}
  .nav-search .search-box{width:min(360px,100%)}
}
@media (max-width:768px){
  .nav-inner{height:auto;flex-wrap:wrap;padding:12px 0;gap:12px}
  .site-header.is-scrolled .nav-inner{height:auto}
  .nav-search{order:3;flex-basis:100%;width:100%}
  .search-box{width:100%}
  .nav-talk span{display:none}
  .nav-talk{font-size:13px}
  .page-head{min-height:0;padding:40px 0 42px}
  .row-item{padding:26px 0}
  .row-body{margin-top:20px}
  .flow-item{padding:22px 20px 24px}
  .rail-btn{display:none}
  .rail-card{flex:0 0 78vw}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding-top:48px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .stat-grid{grid-template-columns:1fr;gap:20px}
  .flow-grid{grid-template-columns:1fr}
  .stat-item .v{font-size:23px}
  .section-head{margin-bottom:26px}
  .form-card{padding:20px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --main:#12D8A0;
  --main-dark:#0BB98A;
  --main-soft:rgba(18,216,160,.10);
  --accent:#FF6A1F;
  --accent-dark:#E85A12;
  --ink:#101418;
  --ink-2:#171C21;
  --line-light:rgba(16,20,24,.08);
  --line-dark:rgba(255,255,255,.12);
  --bg:#F7F8F6;
  --card:#FFFFFF;
  --border:#E3E7E4;
  --text:#2A2F2C;
  --muted:#6B7280;
  --warn:#F2A007;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(16,20,24,.06);
  --sh-2:0 10px 28px rgba(16,20,24,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:inherit}
p{margin:0}
:focus-visible{outline:2px solid var(--main);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.sec-white{background:#fff}
.sec-light{background:var(--bg)}
.sec-dark{background:var(--ink);color:rgba(255,255,255,.78)}
.sec-head{margin-bottom:40px}
.sec-title{position:relative;display:inline-block;font-size:30px;letter-spacing:-.01em;padding-left:16px;color:var(--text)}
.sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:24px;border-radius:2px;background:var(--main)}
.sec-dark .sec-title{color:#fff}
.sec-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:760px}
.sec-dark .sec-sub{color:rgba(255,255,255,.68)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:all .2s var(--ease);white-space:nowrap;
}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,106,31,.28)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{border-color:var(--main);color:var(--main);background:var(--main-soft)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--main);color:var(--main-dark);background:var(--main-soft)}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;pointer-events:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--main-dark)}
.link-more i{transition:transform .2s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* 标签 */
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;letter-spacing:.02em;background:var(--main-soft);color:var(--main-dark);border:1px solid transparent;
}
.chip-dark{background:transparent;border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.78)}
.chip-warn{background:rgba(242,160,7,.12);color:#B47300}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:120;background:rgba(16,20,24,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-dark);transition:background .2s ease-out}
.site-header::before{content:"";display:block;height:1px;background:linear-gradient(90deg,var(--main),var(--accent))}
.nav-inner{display:flex;align-items:center;gap:24px;padding:14px 0 12px;transition:padding .2s ease-out}
.site-header.scrolled .nav-inner{padding:8px 0 8px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--main),var(--main-dark));display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.brand-name{display:flex;flex-direction:column;line-height:1.15;color:#fff}
.brand-name b{font-size:16px;letter-spacing:.01em}
.brand-name span{font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.5)}
.nav-search{flex:1 1 auto;max-width:620px;margin:0 auto;min-width:0}
.search-box{
  display:flex;align-items:center;gap:10px;height:46px;padding:5px 5px 5px 14px;
  background:#fff;border:1px solid transparent;border-radius:var(--r-btn);transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.search-box:focus-within{border-color:var(--main);box-shadow:0 0 0 3px rgba(18,216,160,.22)}
.search-box i{color:var(--muted);font-size:15px}
.search-box input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:#9AA3A0}
.search-box button{height:36px;padding:0 18px;border-radius:8px;background:var(--main);color:#06231A;font-size:14px;font-weight:700;transition:background .18s var(--ease)}
.search-box button:hover{background:var(--main-dark)}
.cat-nav{display:flex;gap:22px;margin-top:8px;flex-wrap:wrap}
.cat-nav a{position:relative;font-size:13.5px;color:rgba(255,255,255,.7);padding-bottom:4px;transition:color .18s var(--ease)}
.cat-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:transparent;transition:background .18s var(--ease)}
.cat-nav a:hover{color:#fff}
.cat-nav a.active{color:var(--main)}
.cat-nav a.active::after{background:var(--main)}
.nav-right{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-talk{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:rgba(255,255,255,.78);transition:color .18s}
.nav-talk:hover{color:var(--main)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-dark);color:#fff;place-items:center}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(6,10,12,.6);opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;z-index:190}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:200;
  background:var(--ink-2);border-left:1px solid var(--line-dark);padding:20px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(102%);transition:transform .28s var(--ease);overflow-y:auto;
}
.nav-drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line-dark);color:#fff;display:grid;place-items:center}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{padding:12px 14px;border-radius:10px;font-size:15px;color:rgba(255,255,255,.78);border:1px solid transparent;transition:all .18s var(--ease)}
.drawer-nav a:hover{background:rgba(255,255,255,.05);border-color:var(--line-dark)}
.drawer-nav a.active{color:var(--main);background:var(--main-soft);border-color:rgba(18,216,160,.35)}

/* 分类页头 */
.page-head{position:relative;background:var(--ink);color:#fff;padding:56px 0 64px;min-height:300px;display:flex;align-items:center;overflow:hidden}
.page-head-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,20,24,.95) 0%,rgba(16,20,24,.8) 48%,rgba(16,20,24,.6) 100%)}
.page-head .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{transition:color .18s}
.breadcrumb a:hover{color:var(--main)}
.breadcrumb .cur{color:var(--main)}
.page-head h1{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.01em;max-width:820px}
.page-head .lead{margin-top:18px;max-width:720px;font-size:16px;color:rgba(255,255,255,.78)}
.head-tags{margin-top:24px;display:flex;gap:10px;flex-wrap:wrap}

/* 筛选胶囊行 */
.filter-bar{display:flex;gap:12px;flex-wrap:wrap;padding:22px 0 8px}
.filter-bar .chip{cursor:pointer;height:32px;padding:0 18px;font-size:14px;background:#fff;border-color:var(--border);color:var(--muted);transition:all .18s var(--ease)}
.filter-bar .chip:hover{border-color:var(--main);color:var(--main-dark)}
.filter-bar .chip.is-active{background:var(--main);border-color:var(--main);color:#06231A;font-weight:600}

/* 卡片网格 */
.card-row{max-width:none;margin-left:-12px;margin-right:-12px}
.card-row::before,.card-row::after{content:"";display:table;clear:both}
.card-row > .column{padding-left:12px;padding-right:12px;margin-bottom:24px}
.pcard{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.pcard:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(18,216,160,.45)}
.pcard-media{position:relative;aspect-ratio:16/9;background:var(--ink);overflow:hidden}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.pcard:hover .pcard-media img{transform:scale(1.04)}
.pcard-media .pill{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;background:rgba(16,20,24,.72);color:var(--main);border:1px solid rgba(18,216,160,.45)}
.pcard-media .spec-tag{position:absolute;right:12px;bottom:12px;font-size:12px;font-weight:600;color:#fff;background:rgba(16,20,24,.72);padding:3px 10px;border-radius:6px;font-variant-numeric:tabular-nums}
.pcard-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.pcard h3{font-size:18px;line-height:1.45;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard .desc{font-size:14.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.pcard-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line-light);padding-top:14px;font-size:13px;color:var(--muted)}
.pcard-foot .link-more{font-size:13.5px}

/* 规格数据条 */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.spec-item{border:1px solid var(--line-dark);border-radius:var(--r-card);padding:24px;background:rgba(255,255,255,.02)}
.spec-num{font-size:26px;font-weight:700;color:var(--main);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.spec-label{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.75)}
.spec-note{margin-top:6px;font-size:13px;color:rgba(255,255,255,.5)}

/* 横滑交叉入口 */
.track-wrap{position:relative}
.track-wrap::before,.track-wrap::after{content:"";position:absolute;top:0;bottom:14px;width:56px;pointer-events:none;z-index:2}
.track-wrap::before{left:-2px;background:linear-gradient(90deg,var(--bg),rgba(247,248,246,0))}
.track-wrap::after{right:-2px;background:linear-gradient(270deg,var(--bg),rgba(247,248,246,0))}
.track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 16px;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.track > *{scroll-snap-align:start;flex:0 0 320px}
.track-nav{position:absolute;top:38%;width:36px;height:36px;border-radius:50%;background:rgba(16,20,24,.6);color:#fff;display:grid;place-items:center;z-index:3;transition:background .2s var(--ease),transform .2s var(--ease)}
.track-nav:hover{background:var(--main);color:#06231A}
.track-prev{left:-6px}
.track-next{right:-6px}
.xcard{position:relative;display:block;border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;background:var(--ink);border:1px solid var(--border)}
.xcard img{width:100%;height:100%;object-fit:cover;opacity:.62;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.xcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,.2) 0%,rgba(16,20,24,.85) 100%)}
.xcard:hover img{transform:scale(1.03);opacity:.5}
.xcard-inner{position:absolute;inset:auto 0 0 0;padding:20px;z-index:2;color:#fff}
.xcard .num{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--main)}
.xcard h3{margin-top:8px;font-size:19px;color:#fff}
.xcard p{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.72)}
.xcard .arrow{margin-top:14px;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--main);transition:transform .2s var(--ease)}
.xcard:hover .arrow{transform:translateX(4px)}

/* FAQ */
.faq-list{max-width:920px}
.faq-item{border:1px solid var(--border);border-radius:var(--r-card);background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.open{border-color:rgba(18,216,160,.5);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);text-align:left}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--border);display:grid;place-items:center;font-size:13px;color:var(--muted);transition:transform .22s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--main);border-color:var(--main);color:#06231A}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--muted)}

/* CTA + 表单 */
.cta-block{position:relative;overflow:hidden;background:var(--ink);color:rgba(255,255,255,.78);padding:88px 0}
.cta-block::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 16% 26%,rgba(18,216,160,.16),transparent 46%),
    radial-gradient(circle at 88% 80%,rgba(255,106,31,.10),transparent 42%),
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px) 0 0/100% 44px,
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px) 0 0/44px 100%;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.cta-block h2{font-size:32px;color:#fff;letter-spacing:-.01em}
.cta-block .cta-sub{margin-top:16px;font-size:16px;color:rgba(255,255,255,.72);max-width:520px}
.cta-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.cta-visual{margin-top:36px;border:1px solid var(--line-dark);border-radius:var(--r-card);overflow:hidden;position:relative}
.cta-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.86}
.form-card{border:1px solid var(--line-dark);border-radius:var(--r-card);padding:28px;background:rgba(255,255,255,.03)}
.form-card h3{font-size:19px;color:#fff}
.form-card .form-tip{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.55)}
.form-grid{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:18px 18px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:13px;letter-spacing:.02em;color:rgba(255,255,255,.7)}
.field input,.field textarea{
  width:100%;height:46px;border-radius:var(--r-btn);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.04);color:#fff;padding:0 14px;font-size:15px;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.35)}
.field input:focus,.field textarea:focus{border-color:var(--main);box-shadow:0 0 0 3px rgba(18,216,160,.18)}
.field .err{display:none;font-size:12.5px;color:var(--warn)}
.field.has-err input,.field.has-err textarea{border-color:var(--warn)}
.field.has-err .err{display:block}
.form-actions{margin-top:22px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.form-actions .note{font-size:12.5px;color:rgba(255,255,255,.5)}

/* 页脚 */
.site-footer{background:var(--ink-2);color:rgba(255,255,255,.68);border-top:1px solid var(--line-dark);padding:64px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand b{font-size:16px;color:#fff}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:12px}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.foot-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(255,255,255,.6)}
.foot-contact span{display:inline-flex;align-items:center;gap:8px}
.foot-contact i{color:var(--main)}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px}
.foot-links a{display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.62);transition:color .18s var(--ease),transform .18s var(--ease)}
.foot-links a:hover{color:var(--main);transform:translateX(3px)}
.foot-bottom{margin-top:48px;padding-top:20px;border-top:1px solid var(--line-dark);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-dark);color:rgba(255,255,255,.7);display:grid;place-items:center;transition:all .2s var(--ease)}
.to-top:hover{background:var(--main);border-color:var(--main);color:#06231A}

/* 响应式 */
@media (max-width:1024px){
  .section{padding:64px 0}
  .nav-inner{flex-wrap:wrap;gap:14px}
  .nav-search{order:3;max-width:none;flex-basis:100%;margin:0}
  .cat-nav{display:none}
  .nav-talk{display:none}
  .nav-toggle{display:grid}
  .sec-title{font-size:26px}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .track-nav{display:none}
  .cta-block{padding:64px 0}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .page-head{padding:40px 0 48px;min-height:0}
  .page-head .lead{font-size:15px}
  .sec-title{font-size:22px}
  .spec-grid{grid-template-columns:1fr}
  .track > *{flex:0 0 78vw}
  .form-grid{grid-template-columns:1fr}
  .form-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:15px;padding:16px 16px}
  .faq-a p{padding:0 16px 16px}
}
@media (min-width:1440px){
  .container{padding:0 32px}
}

/* roulang page: category3 */
:root{
  --brand:#12D8A0;
  --brand-dark:#0BB98A;
  --brand-soft:rgba(18,216,160,.10);
  --accent:#FF6A1F;
  --accent-dark:#E2550E;
  --ink:#101418;
  --ink-2:#171C21;
  --paper:#F7F8F6;
  --card:#FFFFFF;
  --line:#E3E7E4;
  --text:#2A2F2C;
  --muted:#6B7280;
  --warn:#F2A007;
  --d-text:rgba(255,255,255,.78);
  --d-line:rgba(255,255,255,.12);
  --l-line:rgba(16,20,24,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(16,20,24,.06);
  --sh-2:0 10px 28px rgba(16,20,24,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--text);letter-spacing:-.01em;}
p{margin:0;}
input,button{outline:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num, .stat-num, .num-index{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-dark{background:var(--ink);color:var(--d-text);padding:88px 0;}
.section-dark h2,.section-dark h3{color:#fff;}

/* ===== 头部 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(16,20,24,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--d-line);
  transition:background .2s var(--ease);
}
.site-header::before{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--brand) 45%,var(--accent) 100%);
}
.nav-inner{display:flex;align-items:center;gap:28px;padding:12px 0;transition:padding .2s var(--ease);}
.site-header.scrolled{background:rgba(16,20,24,.97);}
.site-header.scrolled .nav-inner{padding:9px 0;}
.site-header.scrolled .cat-nav{display:none;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 34px;
  box-shadow:0 0 0 1px rgba(18,216,160,.35);
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{display:flex;flex-direction:column;line-height:1.15;}
.brand-name b{color:#fff;font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-name span{color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.14em;}
.nav-search{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;align-items:center;gap:8px;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:min(100%,520px);height:42px;
  background:rgba(255,255,255,.07);
  border:1px solid var(--d-line);border-radius:var(--r-btn);
  padding-left:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,216,160,.28);background:rgba(255,255,255,.1);}
.search-box i{color:rgba(255,255,255,.55);font-size:14px;}
.search-box input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  color:#fff;font-size:14px;padding:0 12px;
}
.search-box input::placeholder{color:rgba(255,255,255,.42);}
.search-box button{
  height:32px;margin-right:5px;padding:0 16px;border:0;border-radius:8px;
  background:var(--brand);color:#06231A;font-size:13px;font-weight:700;
  transition:background .18s var(--ease);
}
.search-box button:hover{background:var(--brand-dark);}
.cat-nav{display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:center;}
.cat-nav a{
  position:relative;font-size:14px;color:rgba(255,255,255,.72);padding-bottom:3px;
  transition:color .18s var(--ease);
}
.cat-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.cat-nav a:hover{color:#fff;}
.cat-nav a:hover::after,.cat-nav a.active::after{transform:scaleX(1);}
.cat-nav a.active{color:var(--brand);}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-talk{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:rgba(255,255,255,.78);}
.nav-talk i{color:var(--brand);}
.nav-talk:hover{color:#fff;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid var(--d-line);color:#fff;font-size:16px;
}
.nav-drawer{
  display:none;background:var(--ink-2);border-bottom:1px solid var(--d-line);
  padding:14px 0 20px;
}
.nav-drawer.open{display:block;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:13px 2px;color:rgba(255,255,255,.82);font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a.active{color:var(--brand);}
.drawer-cta{margin-top:16px;width:100%;justify-content:center;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:14px;font-weight:600;letter-spacing:.01em;line-height:1;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,106,31,.28);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 22px rgba(255,106,31,.34);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(16,20,24,.22);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-ghost-dark{background:transparent;border-color:var(--d-line);color:rgba(255,255,255,.9);}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,216,160,.1);}
.btn[disabled]{opacity:.4;pointer-events:none;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-dark);}
.text-link i{transition:transform .2s var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ===== 分类页头 ===== */
.page-head{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.page-head-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,20,24,.94) 0%,rgba(16,20,24,.78) 48%,rgba(16,20,24,.5) 100%),
             linear-gradient(180deg,rgba(16,20,24,.2) 0%,rgba(16,20,24,.9) 100%);
}
.page-head-inner{position:relative;z-index:2;padding:58px 0 52px;min-height:300px;display:flex;flex-direction:column;justify-content:center;}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;letter-spacing:.02em;}
.breadcrumb a{color:rgba(255,255,255,.6);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb em{font-style:normal;color:var(--brand);}
.page-head h1{
  font-size:44px;font-weight:700;color:#fff;line-height:1.2;max-width:880px;
}
.page-head h1 .kw{color:var(--brand);}
.page-head-sub{
  margin-top:16px;max-width:660px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);
}
.head-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:26px;}
.head-stats li{
  display:flex;align-items:baseline;gap:8px;font-size:13px;color:rgba(255,255,255,.66);
  padding:0 22px;border-left:1px solid var(--d-line);
}
.head-stats li:first-child{padding-left:0;border-left:0;}
.head-stats b{font-size:22px;color:var(--brand);font-weight:700;letter-spacing:-.01em;}

/* ===== 板块标题 ===== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;font-size:32px;font-weight:700;}
.sec-title::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:24px;border-radius:2px;background:var(--brand);}
.sec-sub{margin-top:12px;padding-left:16px;font-size:15px;color:var(--muted);max-width:680px;}
.section-dark .sec-sub{color:rgba(255,255,255,.7);}

/* ===== 筛选胶囊 ===== */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);
  transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#06231A;font-weight:600;}

/* ===== 编号清单 ===== */
.num-list{border-top:1px solid var(--line);background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.num-item + .num-item{border-top:1px solid var(--line);}
.num-link{display:flex;align-items:center;gap:26px;padding:24px 26px;transition:background .2s var(--ease);}
.num-link:hover{background:var(--brand-soft);}
.num-index{
  flex:0 0 62px;font-size:30px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(16,20,24,.3);
  transition:-webkit-text-stroke-color .2s var(--ease),transform .2s var(--ease);
}
.num-link:hover .num-index{-webkit-text-stroke-color:var(--brand);transform:translateX(2px);}
.num-body{flex:1 1 auto;min-width:0;}
.num-title{display:block;font-size:19px;font-weight:600;color:var(--text);line-height:1.5;}
.num-desc{display:block;margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75;}
.num-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.num-tags em{
  font-style:normal;font-size:12px;height:24px;display:inline-flex;align-items:center;
  padding:0 10px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);letter-spacing:.02em;
}
.num-arrow{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--muted);background:#fff;
  transition:all .2s var(--ease);
}
.num-link:hover .num-arrow{background:var(--brand);border-color:var(--brand);color:#06231A;transform:translateX(4px);}

/* ===== 深色流程 ===== */
.section-dark{position:relative;overflow:hidden;}
.section-dark::after{
  content:"";position:absolute;left:-10%;top:-40%;width:60%;height:120%;
  background:radial-gradient(circle,rgba(18,216,160,.12) 0%,rgba(18,216,160,0) 70%);
  pointer-events:none;
}
.step-card{
  height:100%;padding:26px 22px;border:1px solid var(--d-line);border-radius:var(--r-card);
  background:rgba(255,255,255,.02);transition:border-color .2s var(--ease),background .2s var(--ease);
}
.step-card:hover{border-color:rgba(18,216,160,.6);background:rgba(18,216,160,.06);}
.step-num{font-size:13px;letter-spacing:.18em;color:var(--brand);font-weight:700;}
.step-card h3{margin-top:14px;font-size:18px;font-weight:600;}
.step-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--d-text);}

/* ===== 横滑轨道 ===== */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 18px;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail::before,.rail::after{content:none;}
.rail-card{
  flex:0 0 318px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.rail-card:hover{box-shadow:var(--sh-2);border-color:rgba(18,216,160,.6);transform:translateY(-2px);}
.rail-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink);}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rail-card:hover .rail-media img{transform:scale(1.04);}
.rail-pill{
  position:absolute;left:12px;top:12px;height:24px;display:inline-flex;align-items:center;
  padding:0 10px;border-radius:var(--r-pill);font-size:12px;
  background:rgba(16,20,24,.72);color:#fff;border:1px solid var(--d-line);backdrop-filter:blur(4px);
}
.rail-body{padding:18px 18px 20px;}
.rail-body h3{font-size:17px;font-weight:600;line-height:1.55;}
.rail-body p{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.7;}
.rail-foot{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;font-weight:600;color:var(--brand-dark);}
.rail-foot i{transition:transform .2s var(--ease);}
.rail-card:hover .rail-foot i{transform:translateX(4px);}
.rail-btn{
  position:absolute;top:calc(50% - 34px);z-index:3;width:36px;height:36px;border-radius:50%;
  background:rgba(16,20,24,.72);border:1px solid var(--d-line);color:#fff;font-size:13px;
  display:flex;align-items:center;justify-content:center;transition:background .18s var(--ease),transform .18s var(--ease);
}
.rail-btn:hover{background:var(--brand);color:#06231A;border-color:var(--brand);}
.rail-btn.prev{left:-14px;}
.rail-btn.next{right:-14px;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:960px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.faq-item:hover{border-color:rgba(18,216,160,.55);}
.faq-item.open{box-shadow:var(--sh-1);border-color:rgba(18,216,160,.7);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .22s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ===== CTA ===== */
.cta-block{position:relative;background:var(--ink);color:var(--d-text);overflow:hidden;padding:84px 0;}
.cta-glow{
  position:absolute;right:-10%;top:-30%;width:70%;height:140%;
  background:radial-gradient(circle,rgba(18,216,160,.16) 0%,rgba(18,216,160,0) 68%);
  pointer-events:none;
}
.cta-grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.cta-inner h2{font-size:34px;font-weight:700;color:#fff;line-height:1.3;}
.cta-inner .cta-sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--d-text);max-width:560px;}
.cta-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.cta-points li{
  font-size:12px;height:26px;display:inline-flex;align-items:center;padding:0 12px;
  border:1px solid var(--d-line);border-radius:var(--r-pill);color:rgba(255,255,255,.72);
}
.cta-media{
  margin:0;border:1px solid var(--d-line);border-radius:18px;overflow:hidden;background:var(--ink-2);
}
.cta-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:var(--d-text);border-top:1px solid var(--d-line);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;}
.foot-brand .brand-mark svg{width:22px;height:22px;}
.foot-brand b{color:#fff;font-size:17px;}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:400px;}
.foot-contact{display:flex;flex-direction:column;gap:10px;margin-top:20px;font-size:13px;color:rgba(255,255,255,.62);}
.foot-contact i{color:var(--brand);margin-right:8px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.foot-links{display:flex;flex-direction:column;gap:12px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s var(--ease);}
.foot-links a:hover{color:var(--brand);}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border-top:1px solid var(--d-line);padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  width:42px;height:42px;border-radius:50%;background:transparent;color:#fff;
  border:1px solid var(--d-line);display:flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top:hover{background:var(--brand);border-color:var(--brand);color:#06231A;}

/* ===== Foundation 覆盖 ===== */
.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.row .column{padding-left:12px;padding-right:12px;}
.row + .row{margin-top:24px;}

/* ===== 响应式 ===== */
@media (min-width:1440px){
  .container{padding:0 32px;}
}
@media (max-width:1024px){
  .section,.section-dark,.cta-block{padding:64px 0;}
  .cat-nav{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-search{align-items:flex-start;}
  .search-box{width:100%;max-width:420px;}
  .page-head h1{font-size:36px;}
  .sec-title{font-size:28px;}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .cta-inner h2{font-size:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .rail-btn{display:none;}
  .rail-card{flex:0 0 300px;}
}
@media (max-width:768px){
  .head-stats li{padding:0 14px;}
  .head-stats b{font-size:19px;}
  .num-link{gap:16px;padding:20px 18px;}
  .num-index{flex:0 0 46px;font-size:24px;}
  .num-title{font-size:17px;}
  .faq-q{padding:17px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section,.section-dark,.cta-block{padding:48px 0;}
  .nav-inner{flex-wrap:wrap;gap:14px;padding:12px 0;}
  .nav-search{order:3;flex-basis:100%;}
  .search-box{max-width:none;}
  .nav-talk span{display:none;}
  .nav-talk{padding:0 4px;}
  .brand-name b{font-size:15px;}
  .page-head-inner{padding:40px 0 36px;min-height:260px;}
  .page-head h1{font-size:28px;}
  .page-head-sub{font-size:15px;}
  .head-stats{gap:14px 0;margin-top:20px;}
  .head-stats li{border-left:0;padding:0 18px 0 0;}
  .sec-title{font-size:24px;}
  .sec-sub{padding-left:16px;font-size:14px;}
  .num-link{flex-wrap:wrap;}
  .num-arrow{width:34px;height:34px;flex-basis:34px;margin-left:auto;}
  .rail-card{flex:0 0 78vw;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .cta-inner h2{font-size:24px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --brand:#12D8A0;
  --brand-dark:#0BB98A;
  --brand-soft:rgba(18,216,160,.10);
  --brand-line:rgba(18,216,160,.5);
  --accent:#FF6A1F;
  --accent-dark:#E85A12;
  --ink:#101418;
  --ink-2:#171C21;
  --paper:#F7F8F6;
  --card:#FFFFFF;
  --line:#E3E7E4;
  --line-dark:rgba(255,255,255,.12);
  --text:#2A2F2C;
  --muted:#6B7280;
  --warn:#F2A007;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-hero:18px;
  --radius-pill:999px;
  --shadow-sm:0 2px 10px rgba(16,20,24,.06);
  --shadow-md:0 10px 28px rgba(16,20,24,.12);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --pad-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.28;letter-spacing:-0.01em;font-family:var(--font)}
h1{font-size:clamp(30px,4.2vw,48px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px;font-weight:600}
h4{font-size:16px;font-weight:600;color:#fff}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out}
a:hover{color:var(--accent)}
img{max-width:100%;display:block;border:0}
button{font-family:inherit}
input,textarea{font-family:inherit}
::selection{background:rgba(18,216,160,.28)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{padding:0 32px}}
.section{padding:var(--pad-y) 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand)}
.section-head .sub{color:var(--muted);font-size:14.5px;max-width:640px;margin-top:10px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  padding:13px 24px;font-size:14.5px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,31,.28)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-brand{background:var(--brand);color:#06231A}
.btn-brand:hover{background:var(--brand-dark);color:#06231A;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost-light:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,216,160,.10)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-dark)}
.link-more i{transition:transform .2s ease-out}
.link-more:hover i{transform:translateX(4px)}

/* ===== 胶囊标签 ===== */
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12.5px;letter-spacing:.02em;background:var(--brand-soft);color:var(--brand-dark);
}
.pill-dark{background:rgba(18,216,160,.14);border:1px solid rgba(18,216,160,.42);color:#8FF0D2}
.pill-line{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);color:rgba(255,255,255,.78)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(16,20,24,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-dark);
}
.site-header::before{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .2s ease-out}
.site-header.scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--brand);display:grid;place-items:center;flex:none}
.brand-mark svg{width:20px;height:20px}
.brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand-name b{font-size:15px;color:#fff;font-weight:700}
.brand-name span{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.14em}
.nav-search{flex:1;display:flex;flex-direction:column;align-items:center;gap:9px;min-width:0}
.search-box{
  position:relative;display:flex;align-items:center;width:100%;max-width:520px;height:42px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--radius-btn);
  padding:0 4px 0 38px;transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.search-box:hover{background:rgba(255,255,255,.09)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,216,160,.28);background:rgba(255,255,255,.09)}
.search-box i{position:absolute;left:14px;font-size:13px;color:rgba(255,255,255,.5)}
.search-box input{flex:1;min-width:0;height:100%;background:transparent;border:0;outline:none;color:#fff;font-size:14px}
.search-box input::placeholder{color:rgba(255,255,255,.42)}
.search-box button{
  flex:none;height:32px;padding:0 18px;border:0;border-radius:8px;background:var(--brand);color:#06231A;
  font-size:13px;font-weight:700;cursor:pointer;transition:background .2s ease-out;
}
.search-box button:hover{background:var(--brand-dark)}
.cat-nav{display:flex;gap:22px;font-size:13.5px;flex-wrap:wrap}
.cat-nav a{color:rgba(255,255,255,.66);padding:2px 0;border-bottom:2px solid transparent}
.cat-nav a:hover{color:#fff}
.cat-nav a.active{color:var(--brand);border-bottom-color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:16px;flex:none}
.nav-talk{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:rgba(255,255,255,.72)}
.nav-talk:hover{color:var(--brand)}
.nav-right .btn{padding:11px 20px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-dark);
  background:transparent;color:#fff;cursor:pointer;place-items:center;font-size:15px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
@media (max-width:1024px){
  .nav-toggle{display:grid}
  .nav-talk{display:none}
  .nav-inner{height:64px;gap:14px}
  .nav-search{
    position:absolute;top:100%;left:0;right:0;display:none;
    background:#101418;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);
    padding:18px 20px 22px;max-width:none;align-items:stretch;gap:16px;
  }
  .site-header.nav-open .nav-search{display:flex}
  .search-box{max-width:none}
  .cat-nav{gap:12px 20px;font-size:14px}
}
@media (max-width:640px){
  .nav-right .btn{padding:10px 14px;font-size:13px}
  .brand-name span{display:none}
}

/* ===== 分类页头 ===== */
.page-head{
  position:relative;overflow:hidden;color:#fff;
  background:#101418 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:72px 0 64px;min-height:300px;display:flex;align-items:center;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,20,24,.95) 0%,rgba(16,20,24,.78) 52%,rgba(16,20,24,.48) 100%),
             linear-gradient(180deg,rgba(16,20,24,.25),rgba(16,20,24,.82));
}
.page-head .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--brand)}
.crumb span.now{color:var(--brand)}
.page-head h1{color:#fff;max-width:840px}
.page-head .head-sub{margin-top:18px;max-width:760px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.85}
.head-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:13px;color:rgba(255,255,255,.7)}
.head-meta i{color:var(--brand);margin-right:6px}
.head-meta b{font-family:var(--mono);color:var(--brand);font-size:15px}

/* ===== 筛选胶囊 ===== */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:5}
.filter-inner{display:flex;flex-wrap:wrap;gap:10px;padding:18px 0;align-items:center}
.filter-label{font-size:13px;color:var(--muted);margin-right:6px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--radius-pill);
  font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);cursor:pointer;
  transition:all .18s ease-out;
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#06231A;font-weight:600}

/* ===== 图文交错 ===== */
.zigzag{background:var(--paper)}
.z-row{
  display:grid;grid-template-columns:1.02fr 1fr;gap:52px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.z-row:first-child{padding-top:0}
.z-row:last-child{border-bottom:0;padding-bottom:0}
.z-media{
  order:1;position:relative;border-radius:var(--radius-hero);overflow:hidden;
  aspect-ratio:4/3;background:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.z-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease-out}
.z-row:hover .z-media img{transform:scale(1.03)}
.z-media .z-tag{position:absolute;left:14px;top:14px;background:rgba(16,20,24,.82);border:1px solid rgba(18,216,160,.45);color:#8FF0D2;backdrop-filter:blur(4px)}
.z-media .z-no{
  position:absolute;right:16px;bottom:12px;font-family:var(--mono);font-size:26px;font-weight:700;
  color:rgba(255,255,255,.85);letter-spacing:.02em;
}
.z-body{order:2}
.z-row--flip .z-media{order:2}
.z-row--flip .z-body{order:1}
.z-body h3{margin-bottom:12px;font-size:22px}
.z-body .z-desc{color:var(--muted);font-size:15px;line-height:1.85}
.z-list{margin:18px 0 20px;display:grid;gap:9px}
.z-list li{position:relative;padding-left:20px;font-size:14.5px;color:#3C423F;line-height:1.75}
.z-list li::before{content:"";position:absolute;left:0;top:11px;width:9px;height:2px;border-radius:1px;background:var(--brand)}
.z-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.z-tags span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12.5px;color:var(--muted);background:#fff;border:1px solid var(--line);
}
.z-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ===== 横滑轨道 ===== */
.rail{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rail-wrap{position:relative}
.rail-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;
}
.rail-track::-webkit-scrollbar{display:none}
.rail-item{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease-out,border-color .22s ease-out,transform .22s ease-out;
}
.rail-item:hover{box-shadow:var(--shadow-md);border-color:var(--brand-line);transform:translateY(-3px)}
.rail-media{position:relative;aspect-ratio:16/9;background:var(--ink);overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease-out}
.rail-item:hover .rail-media img{transform:scale(1.04)}
.rail-media .pill{position:absolute;left:12px;top:12px}
.rail-body{padding:18px 18px 20px}
.rail-body h3{font-size:17.5px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-body p{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--muted)}
.rail-arrow{
  position:absolute;top:38%;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  background:rgba(16,20,24,.72);color:#fff;cursor:pointer;display:grid;place-items:center;
  transition:background .2s ease-out,border-color .2s ease-out,transform .2s ease-out;z-index:2;
}
.rail-arrow:hover{background:var(--brand);color:#06231A;border-color:var(--brand)}
.rail-arrow.prev{left:-14px}
.rail-arrow.next{right:-14px}
@media (max-width:1024px){
  .rail-arrow{display:none}
  .rail-item{flex:0 0 272px}
}
@media (max-width:640px){
  .rail-item{flex:0 0 78vw}
}

/* ===== FAQ ===== */
.faq{background:var(--paper)}
.faq-list{max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.faq-item.is-open{border-color:var(--brand-line);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand-dark)}
.faq-q .ico{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-dark);font-size:12px;
  transition:transform .22s ease-out,background .22s ease-out,border-color .22s ease-out,color .22s ease-out;
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#06231A}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9}

/* ===== CTA ===== */
.cta{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:var(--pad-y) 0}
.cta::before{
  content:"";position:absolute;width:760px;height:760px;left:-180px;top:-280px;
  background:radial-gradient(circle,rgba(18,216,160,.16),transparent 62%);
}
.cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta h2{color:#fff;position:relative;padding-left:16px}
.cta h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand)}
.cta .lead{margin-top:18px;color:rgba(255,255,255,.78);font-size:15px;line-height:1.9;max-width:520px}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72)}
.cta-points i{color:var(--brand);margin-top:6px;font-size:12px}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.form-card{
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:var(--radius-hero);
  padding:28px;backdrop-filter:blur(2px);
}
.form-card h3{color:#fff;font-size:18px;margin-bottom:6px}
.form-card .tip{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:6px}
.field input,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);color:#fff;
  font-size:14.5px;outline:none;transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.34)}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,216,160,.24);background:rgba(255,255,255,.08)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:14px;line-height:1.7}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding:64px 0 44px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:11px}
.foot-brand .brand-mark svg{width:24px;height:24px}
.foot-brand b{color:#fff;font-size:17px;font-weight:700}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:420px}
.foot-contact{display:grid;gap:10px;margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.62)}
.foot-contact i{color:var(--brand);margin-right:8px}
.site-footer h4{font-size:15px;margin-bottom:16px;color:#fff}
.foot-links a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0}
.foot-links a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--line-dark);font-size:12.5px;color:rgba(255,255,255,.45);
}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line-dark);background:transparent;
  color:#fff;cursor:pointer;display:grid;place-items:center;transition:all .2s ease-out;
}
.to-top:hover{background:var(--brand);border-color:var(--brand);color:#06231A;transform:translateY(-2px)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  :root{--pad-y:64px}
  .z-row{grid-template-columns:1fr;gap:26px;padding:36px 0}
  .z-row--flip .z-media,.z-media{order:1}
  .z-row--flip .z-body,.z-body{order:2}
  .cta-inner{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 36px}
}
@media (max-width:640px){
  :root{--pad-y:48px}
  .container{padding:0 16px}
  .z-body h3{font-size:19px}
  .page-head{padding:48px 0 44px;min-height:0}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .cta-btns .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{padding:16px 16px;font-size:15px}
  .faq-a p{padding:0 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}