/* roulang page: index */
:root{
  --primary:#ff6a3d;
  --primary-dark:#e5531f;
  --primary-light:#ffede6;
  --secondary:#0b6e5e;
  --secondary-dark:#0e574a;
  --secondary-light:#e2f0ec;
  --accent-yellow:#ffc53d;
  --success:#00c48c;
  --bg:#f7f6f2;
  --surface:#ffffff;
  --surface-soft:#efede7;
  --text:#222927;
  --muted:#59635f;
  --border:#e6e2d8;
  --line:#eceae2;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
  --shadow-md:0 12px 28px -14px rgba(11,45,40,.13);
  --shadow-lg:0 18px 36px -16px rgba(14,94,93,.18);
  --radius-sm:12px;
  --radius-md:18px;
  --radius-lg:24px;
  --gap-section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
html{scroll-behavior:smooth;scroll-padding-top:128px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
body::after{display:block;content:"";height:74px}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,h5{line-height:1.3;margin:0}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
textarea{resize:vertical}
.container{width:100%;max-width:1240px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.section{padding:88px 0}
.section-soft{background:#efede6}
.section-dark{background:var(--secondary-dark)}
.section-head{display:flex;flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:40px}
.section-head.center{align-items:center;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:700;border-radius:999px;padding:6px 15px;letter-spacing:.02em}
.eyebrow.dark{background:rgba(255,255,255,.12);color:#fff}
.section-title{font-size:34px;font-weight:800;letter-spacing:-.015em;color:#1b2320}
.section-lead{max-width:780px;font-size:16px;color:var(--muted)}
.heading-space{margin-top:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:54px;padding:0 28px;border:0;border-radius:999px;font-size:16px;font-weight:700;cursor:pointer;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -10px rgba(255,106,61,.55)}
.btn-primary:hover{background:#ff7c52;transform:translateY(-2px);box-shadow:0 16px 28px -12px rgba(255,106,61,.55)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px -8px rgba(255,106,61,.6)}
.btn-white{background:#fff;color:var(--secondary-dark);box-shadow:0 10px 20px -10px rgba(8,45,38,.22)}
.btn-white:hover{background:#f7fbfa;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(8,45,38,.25)}
.btn-dark{background:var(--secondary);color:#fff;box-shadow:0 10px 22px -10px rgba(11,110,94,.5)}
.btn-dark:hover{background:#0f826f;transform:translateY(-2px);box-shadow:0 16px 26px -12px rgba(11,110,94,.55)}
.btn-ghost-light{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.38);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.7);transform:translateY(-2px)}
.btn-soft{background:var(--primary-light);color:var(--primary-dark)}
.btn-soft:hover{background:#ffddd3;transform:translateY(-2px)}
.btn .icon-arrow{width:18px;height:18px}
.btn svg{flex:0 0 auto}
.link-line{position:relative;color:var(--secondary);font-weight:600}
.link-line::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:2px;background:var(--secondary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.link-line:hover::after{transform:scaleX(1)}
.text-white{color:#fff}
.text-muted{color:var(--muted)}
.flex{display:flex}
.grid{display:grid;gap:24px}
/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);box-shadow:0 6px 20px -18px rgba(10,40,32,.18)}
.header-top{display:flex;align-items:center;gap:24px;padding:14px 0 10px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{width:42px;height:42px;border-radius:15px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:900;letter-spacing:-.03em;box-shadow:0 8px 16px -8px rgba(255,106,61,.7)}
.logo-mark small{font-size:10px;font-weight:800;display:block;margin-top:-6px}
.logo-word{display:flex;flex-direction:column;line-height:1.2}
.logo-title{font-size:22px;font-weight:900;color:#17231f;letter-spacing:-.02em}
.logo-title em{font-style:normal;color:var(--primary)}
.logo-tag{font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.header-search{flex:1;max-width:560px;height:46px;border-radius:999px;background:var(--surface-soft);border:1px solid transparent;display:flex;align-items:center;overflow:hidden;transition:border .2s,box-shadow .2s,background .2s}
.header-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,61,.12)}
.search-icon-wrap{color:var(--muted);display:grid;place-items:center;padding-left:16px}
.search-icon-wrap svg{width:17px;height:17px}
.header-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;padding:0 8px 0 10px;font-size:14px;color:var(--text)}
.header-search input::placeholder{color:#9a9e98}
.search-submit{height:36px;margin-right:5px;padding:0 20px;border-radius:999px;border:0;background:var(--primary);color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:background .2s}
.search-submit:hover{background:var(--primary-dark)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.header-action-btn{height:42px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;border:0;cursor:pointer;transition:background .2s,transform .2s}
.header-action-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
.nav-toggle{width:42px;height:42px;border-radius:12px;background:var(--surface-soft);border:0;display:none;align-items:center;justify-content:center;gap:5px;flex-direction:column;cursor:pointer}
.nav-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px;display:block}
.channel-row{display:flex;align-items:center;gap:16px;padding:10px 0 12px;border-top:1px solid rgba(220,216,207,.7)}
.channel-nav{display:flex;align-items:center;gap:6px}
.channel-nav a{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 17px;border-radius:999px;font-size:15px;font-weight:600;color:var(--muted);transition:background .2s,color .2s,box-shadow .2s}
.channel-nav a .online-dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(0,196,140,.16)}
.channel-nav a:hover{background:var(--surface-soft);color:var(--secondary-dark)}
.channel-nav a.active{background:var(--secondary);color:#fff;box-shadow:0 8px 18px -10px rgba(11,110,94,.55)}
.channel-nav a.active .online-dot{background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.22)}
.trend-list{display:flex;align-items:center;gap:9px;margin-left:auto;min-width:0;overflow-x:auto;scrollbar-width:none}
.trend-list::-webkit-scrollbar{display:none}
.trend-label{color:var(--muted);font-size:13px;padding-right:3px;flex-shrink:0}
.trend-item{background:var(--surface-soft);color:#4e5752;font-size:13px;padding:5px 14px;border-radius:999px;white-space:nowrap;transition:background .2s,color .2s}
.trend-item:hover{background:var(--primary-light);color:var(--primary-dark)}
.mobile-panel{display:none}
/* Hero */
.hero{position:relative;background:linear-gradient(117deg,rgba(10,38,33,.96) 0%,rgba(8,80,70,.88) 54%,rgba(17,62,54,.76) 100%),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;bottom:-210px;width:430px;height:430px;border-radius:50%;border:70px solid rgba(255,255,255,.05);pointer-events:none}
.hero::before{content:"";position:absolute;left:-90px;top:-120px;width:250px;height:250px;border-radius:50%;border:50px solid rgba(255,197,61,.06);pointer-events:none}
.hero-wrap{position:relative;z-index:1;min-height:76vh;display:grid;grid-template-columns:1fr 342px;align-items:center;gap:56px;padding:56px 0 66px}
.creator-line{display:flex;align-items:center;gap:14px;margin-bottom:26px;flex-wrap:wrap}
.creator-avatar{width:62px;height:62px;border-radius:20px;background:var(--primary);display:grid;place-items:center;font-size:24px;font-weight:900;box-shadow:0 0 0 4px rgba(255,255,255,.15);color:#fff;letter-spacing:-.03em}
.creator-meta{display:flex;flex-direction:column;gap:2px}
.creator-name-row{display:flex;align-items:center;gap:9px}
.creator-name{font-size:19px;font-weight:900;color:#fff}
.verified{display:inline-flex;align-items:center;gap:3px;background:var(--success);border-radius:999px;font-size:11px;font-weight:700;padding:2px 9px;color:#fff}
.creator-desc{color:rgba(255,255,255,.7);font-size:13px}
.follow-btn{margin-left:6px;display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 17px;border-radius:999px;background:#fff;color:var(--secondary-dark);font-size:13px;font-weight:800;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s}
.follow-btn:hover{transform:translateY(-2px);box-shadow:0 12px 18px -8px rgba(0,0,0,.3)}
.hero h1{font-size:clamp(34px,5vw,52px);line-height:1.23;font-weight:900;letter-spacing:-.02em;max-width:780px;color:#fff;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{margin-top:22px;max-width:680px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.86)}
.hero-lead strong{color:#fff}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:22px;display:inline-flex;align-items:center;gap:8px}
.hero-note .ok{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:44px;max-width:660px}
.metric-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-md);padding:16px 18px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.metric-number{font-size:24px;font-weight:900;color:#fff;display:block;line-height:1.3}
.metric-label{font-size:12px;color:rgba(255,255,255,.7);display:block;margin-top:5px}
.hero-side-card{position:relative;z-index:2;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:25px;backdrop-filter:blur(12px);box-shadow:0 28px 44px -24px rgba(0,0,0,.4)}
.hero-side-card::after{content:"";position:absolute;top:0;right:0;width:90px;height:90px;border-radius:0 var(--radius-lg) 0 0;background:linear-gradient(135deg,transparent 70%,rgba(255,197,61,.22) 100%);pointer-events:none}
.status-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.status-name{font-size:14px;font-weight:800}
.status-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(0,196,140,.16);color:#bdf4e2;font-size:12px;font-weight:700;border-radius:999px;padding:4px 10px}
.status-badge .live-dot{width:6px;height:6px;border-radius:50%;background:#4ff0b7;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-side-card h4{font-size:15px;color:#fff;font-weight:800;margin-top:6px}
.hero-side-card p{font-size:13px;color:rgba(255,255,255,.72);margin-top:8px}
.side-link{display:inline-block;margin-top:18px;background:var(--primary);height:40px;line-height:40px;padding:0 18px;border-radius:999px;font-size:13px;font-weight:800;color:#fff;transition:background .2s,transform .2s}
.side-link:hover{background:#ff7e54;transform:translateY(-2px)}
.hero-side-list{margin-top:24px;border-top:1px solid rgba(255,255,255,.15);padding-top:18px}
.hero-side-item{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.75);margin-top:9px}
.hero-side-item i{width:6px;height:6px;border-radius:50%;background:var(--accent-yellow);flex-shrink:0}
/* Feature blocked */
.feature-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:24px;align-items:stretch}
.feature-col{display:grid;gap:24px}
.feature-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:34px;overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .3s,transform .3s}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.feature-card-lg{position:relative;min-height:100%;background:linear-gradient(135deg,rgba(255,234,226,.9),rgba(255,255,255,.5) 55%),url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;padding:42px}
.feature-card-lg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.82) 0%,rgba(255,255,255,.23) 70%,rgba(255,255,255,.08) 100%);pointer-events:none}
.feature-inner{position:relative;z-index:2}
.feature-number{font-size:15px;font-weight:900;letter-spacing:.12em;color:var(--primary);display:block;margin-bottom:16px}
.feature-icon{width:48px;height:48px;border-radius:15px;background:var(--primary);display:grid;place-items:center;color:#fff;margin-bottom:20px;box-shadow:0 10px 20px -8px rgba(255,106,61,.6)}
.feature-icon.secondary{background:var(--secondary);box-shadow:0 10px 20px -8px rgba(11,110,94,.55)}
.feature-icon.dark{background:#1e2522}
.fv-photo{position:relative;z-index:3;border-radius:var(--radius-md);margin-top:26px;box-shadow:0 16px 30px -18px rgba(0,0,0,.3)}
.fv-photo img{border-radius:var(--radius-md);object-fit:cover}
.feature-card h3{font-size:22px;font-weight:800;color:#1b2421}
.feature-card p{color:var(--muted);font-size:15px;margin-top:9px}
.feature-list{margin-top:18px}
.feature-list li{display:flex;align-items:flex-start;gap:9px;padding-top:8px;color:#4c5752;font-size:14px}
.feature-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);flex-shrink:0;margin-top:9px}
/* Process / scenario */
.folded{background:var(--surface-soft);}
.process-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:start}
.browser-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-md);overflow:hidden;overflow-x:auto}
.browser-top{display:flex;align-items:center;gap:12px;background:#f3f1eb;padding:14px 20px;border-bottom:1px solid var(--border)}
.browser-dots{display:flex;gap:6px}
.browser-dots i{display:block;width:10px;height:10px;border-radius:50%}
.browser-dots i:nth-child(1){background:var(--primary)}
.browser-dots i:nth-child(2){background:var(--accent-yellow)}
.browser-dots i:nth-child(3){background:var(--success)}
.browser-address{background:#fff;margin-left:8px;flex:1;height:30px;border-radius:8px;display:flex;align-items:center;padding:0 14px;font-size:12px;color:var(--muted)}
.browser-body{padding:26px}
.step-list{display:flex;flex-direction:column;gap:0}
.step-item{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:16px 0;position:relative}
.step-item:not(:last-child)::after{content:"";position:absolute;left:20px;top:52px;bottom:-4px;width:1px;background:var(--border)}
.step-no{width:40px;height:40px;border-radius:13px;background:var(--secondary-light);color:var(--secondary);display:grid;place-items:center;font-weight:900;font-size:15px;position:relative;z-index:1}
.step-item.current .step-no{background:var(--primary);color:#fff}
.step-body h4{font-size:17px;font-weight:800}
.step-body p{font-size:14px;color:var(--muted);margin-top:5px}
.step-tags{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.tag-pill{display:inline-flex;align-items:center;gap:5px;background:var(--surface-soft);border-radius:999px;font-size:12px;padding:4px 11px;color:#53605a;font-weight:600}
.tag-pill.online{background:var(--secondary-light);color:var(--secondary)}
.period-box{background:var(--secondary-dark);border-radius:var(--radius-lg);padding:34px 30px 28px;color:#fff;box-shadow:0 20px 40px -24px rgba(11,110,94,.6);position:relative;overflow:hidden}
.period-box::before{content:"";position:absolute;right:-60px;top:-60px;width:170px;height:170px;border-radius:50%;background:rgba(255,255,255,.07)}
.period-title{font-size:20px;font-weight:800}
.period-sub{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}
.period-list{margin-top:22px;display:grid;gap:12px}
.period-card{display:flex;gap:14px;padding:15px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);border-radius:15px;transition:background .25s,transform .25s}
.period-card:hover{background:rgba(255,255,255,.17);transform:translateX(4px)}
.period-clock{font-size:14px;font-weight:900;width:62px;color:var(--accent-yellow);flex-shrink:0}
.period-card h5{font-size:15px;font-weight:800;color:#fff}
.period-card p{font-size:12.5px;color:rgba(255,255,255,.7);margin-top:3px;line-height:1.6}
/* News */
.panel-grid{display:grid;grid-template-columns:1fr 360px;gap:24px;align-items:start}
.content-list{display:grid;gap:16px}
.content-item{display:grid;grid-template-columns:90px 1fr;gap:18px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm);transition:box-shadow .3s,transform .3s;cursor:pointer}
.content-item:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.content-item:hover .content-title{color:var(--primary-dark)}
.article-tag{align-self:start;display:inline-block;width:fit-content;background:var(--secondary-light);color:var(--secondary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
.article-date{color:var(--muted);font-size:13px;margin-top:6px}
.article-info-h{padding-top:3px}
.content-title{font-size:17px;font-weight:800;color:#1c2623;line-height:1.5;transition:color .2s}
.content-summary{color:var(--muted);font-size:14px;margin-top:6px}
.side-panel{display:grid;gap:18px}
.short-note{background:var(--secondary-dark);color:#fff;border-radius:var(--radius-lg);padding:25px;box-shadow:0 16px 30px -20px rgba(11,110,94,.7);position:relative;overflow:hidden}
.short-note::after{content:"";position:absolute;right:-40px;bottom:-40px;width:110px;height:110px;background:var(--primary);opacity:.25;border-radius:50%}
.short-note-tag{font-size:12px;letter-spacing:.04em;background:rgba(255,255,255,.15);color:#fff;display:inline-block;padding:4px 12px;border-radius:999px}
.short-note h4{font-size:20px;margin-top:16px;line-height:1.5}
.short-note p{font-size:13px;color:rgba(255,255,255,.76);margin-top:10px;line-height:1.8}
.side-rank{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);padding:24px}
.side-rank-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.side-rank-head h4{font-size:16px;font-weight:800}
.rank-item{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line);transition:background .2s}
.rank-rank{font-size:16px;font-weight:900;color:var(--secondary);width:26px;text-align:center;line-height:1.6}
.rank-item a{font-size:14px;font-weight:600;line-height:1.6;color:#2a423a;transition:color .2s}
.rank-item a:hover{color:var(--primary-dark)}
/* social proof */
.social-proof{background:var(--secondary-dark);color:#fff}
.proof-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-bottom:50px}
.proof-stat{text-align:center;background:rgba(255,255,255,.07);border-radius:var(--radius-md);padding:28px 16px;border:1px solid rgba(255,255,255,.08)}
.proof-stat-number{font-size:32px;font-weight:900;color:#41d6ac}
.proof-stat-label{color:rgba(255,255,255,.65);font-size:14px;margin-top:6px}
.proof-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;border-radius:var(--radius-lg);color:var(--text);padding:28px;box-shadow:0 18px 36px -28px rgba(0,0,0,.5);display:flex;flex-direction:column;gap:16px}
.review-card.orange-style{background:var(--primary);color:#fff}
.review-card.orange-style .reviewer-name,.review-card.orange-style .review-job{color:#fff}
.reviewer{display:flex;align-items:center;gap:13px}
.reviewer-avatar{width:46px;height:46px;border-radius:50%;object-fit:cover;background:var(--surface-soft);color:var(--secondary);display:grid;place-items:center;font-weight:900}
.reviewer-meta{display:flex;flex-direction:column;gap:2px}
.reviewer-name{color:#1a2823;font-weight:800;font-size:15px}
.review-job{font-size:12px;color:var(--muted)}
.quote-text{font-size:15px;line-height:1.85;color:#39443f}
.review-card.orange-style .quote-text{color:rgba(255,255,255,.94)}
.quote-mark{width:26px;height:26px;border-radius:8px;background:var(--secondary-light);display:grid;place-items:center;color:var(--secondary);font-weight:900;font-size:23px;line-height:0;padding-top:10px}
.review-card.orange-style .quote-mark{background:rgba(255,255,255,.18);color:#fff}
.stars{display:flex;gap:4px;color:var(--accent-yellow);font-size:15px;letter-spacing:2px}
/* Faq */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;box-shadow:var(--shadow-sm);transition:box-shadow .2s}
.faq-item[open]{box-shadow:var(--shadow-md)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;list-style:none;font-size:17px;font-weight:700;color:#1c2521}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{width:28px;height:28px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:grid;place-items:center;font-size:20px;font-weight:500;transition:transform .25s,background .25s;flex-shrink:0;line-height:1}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-body{padding:0 24px 24px;color:#4d5b56;font-size:15px;line-height:1.85}
/* Cta form */
.cta-section{background:linear-gradient(120deg,rgba(8,49,43,.97),rgba(15,82,72,.9)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;color:#fff;border-radius:0;padding:96px 0}
.cta-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.cta-info h2{font-size:38px;font-weight:900;line-height:1.28;color:#fff;text-wrap:balance}
.cta-info p{margin-top:20px;color:rgba(255,255,255,.82);font-size:16px;line-height:1.9;max-width:540px}
.cta-points{margin-top:28px;display:grid;gap:15px}
.cta-points li{display:flex;align-items:center;gap:13px;color:rgba(255,255,255,.9);font-weight:600}
.cta-points li i{width:7px;height:7px;border-radius:50%;background:var(--accent-yellow);display:block;flex-shrink:0}
.cta-form-card{background:#fff;color:var(--text);border-radius:28px;padding:36px 34px;box-shadow:0 32px 60px -30px rgba(0,0,0,.55)}
.cta-form-card h3{font-size:22px;color:#1a2521;font-weight:800}
.cta-form-card>p{font-size:14px;color:var(--muted);margin-top:6px}
.lead-form{display:grid;gap:16px;margin-top:24px}
.form-field input,.form-field textarea,.form-field select{width:100%;border:1px solid var(--border);background:var(--bg);border-radius:14px;padding:14px 17px;font-size:15px;transition:border .2s,box-shadow .2s;outline:0;font-family:inherit}
.form-field textarea{min-height:82px}
.form-field label{display:block;font-size:13px;font-weight:600;color:#394440;margin-bottom:7px}
.form-field input:focus,.form-field textarea:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,61,.12)}
.form-submit{width:100%;height:54px;border-radius:999px;background:var(--primary);color:#fff;font-size:16px;font-weight:800;border:0;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
.form-submit:hover{background:#ff7d52;transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(255,106,61,.8)}
.form-privacy{font-size:12px;color:var(--muted);margin-top:9px;text-align:center}
.form-toast{display:none;background:var(--success);color:#fff;font-size:14px;border-radius:12px;padding:11px 16px;margin-top:8px;text-align:center}
.form-toast.show{display:block}
/* Footer */
.site-footer{color:rgba(255,255,255,.78);background:#16221e;}
.footer-top{display:grid;grid-template-columns:1.2fr .9fr;gap:40px;padding:70px 0 44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.footer-logo{display:inline-flex;align-items:center;gap:12px}
.footer-logo .logo-mark{width:46px;height:46px;border-radius:15px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px}
.footer-logo-name{color:#fff;font-size:24px;font-weight:900;letter-spacing:-.02em}
.footer-logo-name em{font-style:normal;color:var(--primary)}
.footer-desc{font-size:14px;line-height:1.95;max-width:420px}
.footer-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.footer-col h4{color:#fff;font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:17px;opacity:.9}
.footer-col a{display:block;padding:5px 0;color:rgba(255,255,255,.64);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:24px 0;align-items:center;flex-wrap:wrap}
.footer-copy{font-size:12.5px;color:rgba(255,255,255,.45)}
.footer-copy b{color:#fff;font-weight:700}
/* floating bar */
.floating-cta{position:fixed;left:0;right:0;bottom:0;z-index:95;background:rgba(14,57,49,.97);backdrop-filter:blur(12px);color:#fff;box-shadow:0 -12px 30px rgba(0,0,0,.16);transform:translateY(115%);transition:transform .45s ease;border-top:1px solid rgba(255,255,255,.15)}
.floating-cta.show{transform:translateY(0)}
.floating-inner{display:flex;align-items:center;gap:18px;justify-content:space-between;max-width:1240px;margin:0 auto;padding:16px 24px}
.floating-text{display:flex;align-items:center;gap:13px;min-width:0}
.floating-icon{width:40px;height:40px;flex-shrink:0;border-radius:13px;background:var(--primary);display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px}
.floating-copy{min-width:0}
.floating-copy strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.floating-copy span{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.floating-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.floating-btn{display:inline-flex;height:42px;align-items:center;background:#fff;color:var(--secondary-dark);border:0;border-radius:999px;padding:0 22px;font-weight:800;font-size:14px;cursor:pointer;transition:transform .2s,background .2s}
.floating-btn:hover{transform:translateY(-2px);background:#f5faf8}
.floating-close{width:32px;height:32px;border:1px solid rgba(255,255,255,.3);background:transparent;border-radius:50%;color:#fff;cursor:pointer;font-size:15px;line-height:1}
@media (max-width: 1100px){
  .hero-wrap{grid-template-columns:1fr 300px;gap:34px}
  .header-search{max-width:390px}
  .channel-nav a{padding:0 13px}
}
@media (max-width: 991px){
  .section{padding:68px 0}
  .header-search{display:none}
  .channel-row{display:none}
  .nav-toggle{display:flex}
  .header-actions{margin-left:0}
  .hero-wrap{grid-template-columns:1fr;gap:34px;padding:46px 0 60px;min-height:auto}
  .hero-side-card{max-width:none}
  .hero h1{font-size:38px}
  .mobile-panel{position:absolute;top:100%;left:0;right:0;background:var(--secondary-dark);padding:18px 0 24px;border-top:1px solid rgba(255,255,255,.12);border-radius:0 0 18px 18px}
  .mobile-panel.open{display:block}
  .mobile-nav-wrap{display:flex;flex-direction:column;align-items:stretch;gap:8px}
  .mobile-link{padding:14px 21px;border-radius:15px;background:rgba(255,255,255,.1);color:#fff;font-weight:700;font-size:16px;text-align:left}
  .mobile-link.active{background:var(--primary);color:#fff}
  .mobile-keywords{display:flex;gap:10px;margin-top:18px;padding:0 16px;overflow-x:auto}
  .mobile-keyword{background:rgba(255,255,255,.11);color:#f2efe8;border-radius:999px;padding:5px 14px;font-size:12px;white-space:nowrap}
  .feature-grid,.process-grid,.panel-grid{grid-template-columns:1fr}
  .proof-cards{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .proof-stats{grid-template-columns:1fr;gap:12px}
  .cta-section{padding:64px 0}
}
@media (max-width: 767px){
  .section{padding:62px 0}
  .container{padding-left:18px;padding-right:18px}
  .hero{min-height:auto}
  .hero-wrap{gap:28px;padding-top:38px}
  .hero h1{font-size:31px;line-height:1.35}
  .hero-lead{font-size:15px;line-height:1.85}
  .hero-actions{align-items:stretch;flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-metrics{grid-template-columns:1fr;gap:10px}
  .metric-item{padding:14px 16px}
  .section-title{font-size:27px}
  .btn{padding:0 21px;height:50px}
  .header-top{gap:10px;padding-top:10px;padding-bottom:8px}
  .logo-title{font-size:19px}
  .logo-mark{width:38px;height:38px;border-radius:13px}
  .brand{gap:8px}
  .header-action-btn{display:none}
  .feature-card{padding:24px 22px}
  .feature-card-lg{padding:30px 22px}
  .content-item{grid-template-columns:1fr;gap:12px;padding:18px}
  .browser-body{padding:18px}
  .step-item{grid-template-columns:38px 1fr;gap:12px}
  .step-item:not(:last-child)::after{left:18px}
  .footer-top{grid-template-columns:1fr;gap:34px;padding:52px 0 34px}
  .footer-columns{grid-template-columns:1fr}
  .floating-inner{padding:13px 12px;gap:10px}
  .floating-copy span{display:none}
  .floating-icon{width:36px;height:36px;border-radius:12px;font-size:13px}
  .floating-btn{padding:0 18px;height:38px;font-size:13px}
  .floating-close{width:28px;height:28px}
  .body::after{height:88px}
  .floating-copy strong{font-size:13px}
}
@media (max-width: 420px){
  .hero h1{font-size:28px}
  .period-card{flex-direction:column;gap:8px}
  .floating-copy span{display:none}
  .floating-btn{padding:0 13px}
  .floating-actions{gap:4px}
}

/* roulang page: category1 */
:root{
  --primary:#ff6a3d;
  --primary-dark:#e5531f;
  --primary-light:#ffede6;
  --secondary:#0b6e5e;
  --secondary-dark:#0e574a;
  --secondary-light:#e2f0ec;
  --accent-yellow:#ffc53d;
  --success:#00c48c;
  --bg:#f7f6f2;
  --surface:#fff;
  --surface-soft:#efede7;
  --text:#222927;
  --muted:#59635f;
  --border:#e6e2d8;
  --line:#eceae2;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
  --shadow-md:0 12px 28px -14px rgba(11,45,40,.13);
  --shadow-lg:0 18px 36px -16px rgba(14,94,93,.18);
  --radius-sm:12px;
  --radius-md:18px;
  --radius-lg:24px;
  --gap-section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:128px}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
body::after{display:block;content:"";height:76px}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
textarea{resize:vertical}
.container{width:100%;max-width:1240px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.section{padding:88px 0}
.section-soft{background:#efede6}
.section-dark{background:var(--secondary-dark);color:#fff}
.section-head{display:flex;flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:42px}
.section-head.center{align-items:center;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:700;border-radius:999px;padding:6px 15px;letter-spacing:.02em}
.eyebrow.dark{background:rgba(255,255,255,.12);color:#fff}
.eyebrow.tag{background:var(--secondary-light);color:var(--secondary-dark)}
.section-title{font-size:34px;font-weight:800;letter-spacing:-.015em;color:#1b2320;line-height:1.3;margin:0}
.section-head.center .section-title{max-width:820px}
.section-lead{max-width:780px;font-size:16px;color:var(--muted);margin:4px 0 0}
.section-head.center .section-lead{margin-left:auto;margin-right:auto}
.text-white{color:#fff}
.text-muted{color:var(--muted)}
.primary-text{color:var(--primary)}
.bg-primary-light{background:var(--primary-light)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:54px;padding:0 28px;border:0;border-radius:999px;font-size:16px;font-weight:700;cursor:pointer;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -10px rgba(255,106,61,.55)}
.btn-primary:hover{background:#ff7c52;transform:translateY(-2px);box-shadow:0 16px 28px -12px rgba(255,106,61,.55)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px -8px rgba(255,106,61,.6)}
.btn-white{background:#fff;color:var(--secondary-dark);box-shadow:0 10px 20px -10px rgba(8,45,38,.22)}
.btn-white:hover{background:#f7fbfa;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(8,45,38,.25)}
.btn-dark{background:var(--secondary);color:#fff;box-shadow:0 10px 22px -10px rgba(11,110,94,.5)}
.btn-dark:hover{background:#0f826f;transform:translateY(-2px);box-shadow:0 16px 26px -12px rgba(11,110,94,.55)}
.btn-soft{background:var(--primary-light);color:var(--primary-dark)}
.btn-soft:hover{background:#ffddd3;transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.38);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.7);transform:translateY(-2px)}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.93);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);box-shadow:0 6px 20px -18px rgba(10,40,32,.16)}
.header-top{display:flex;align-items:center;gap:24px;padding:14px 0 10px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{width:42px;height:42px;border-radius:15px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:900;letter-spacing:-.03em;box-shadow:0 8px 16px -8px rgba(255,106,61,.7)}
.logo-mark small{font-size:10px;font-weight:800;display:block;margin-top:-6px}
.logo-word{display:flex;flex-direction:column;line-height:1.2}
.logo-title{font-size:22px;font-weight:900;color:#17231f;letter-spacing:-.02em}
.logo-title em{font-style:normal;color:var(--primary)}
.logo-tag{font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.header-search{flex:1;max-width:560px;height:46px;border-radius:999px;background:var(--surface-soft);border:1px solid transparent;display:flex;align-items:center;overflow:hidden;transition:border .2s,box-shadow .2s,background .2s}
.header-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,61,.12)}
.search-icon-wrap{color:var(--muted);display:grid;place-items:center;padding-left:16px}
.search-icon-wrap svg{width:17px;height:17px}
.header-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;padding:0 8px 0 10px;font-size:14px;color:var(--text)}
.header-search input::placeholder{color:#9a9e98}
.search-submit{height:36px;margin-right:5px;padding:0 20px;border-radius:999px;border:0;background:var(--primary);color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:background .2s}
.search-submit:hover{background:var(--primary-dark)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
.header-action-btn{height:42px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;border:0;cursor:pointer;transition:background .2s,transform .2s}
.header-action-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
.nav-toggle{width:42px;height:42px;border-radius:12px;background:var(--surface-soft);border:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;flex-shrink:0}
.nav-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px;display:block}
.channel-row{display:flex;align-items:center;gap:16px;padding:10px 0 12px;border-top:1px solid rgba(220,216,207,.7)}
.channel-nav{display:flex;align-items:center;gap:6px}
.channel-nav a{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:600;color:#44504b;transition:background .2s,color .2s}
.channel-nav a .online-dot{width:7px;height:7px;border-radius:50%;background:#b9bdb7;transition:background .2s}
.channel-nav a:hover{background:var(--secondary-light);color:var(--secondary-dark)}
.channel-nav a.active{background:var(--secondary);color:#fff}
.channel-nav a.active .online-dot{background:var(--accent-yellow)}
.hot-trends{display:flex;align-items:center;gap:8px;margin-left:auto;color:var(--muted);font-size:13px}
.hot-trends .trend-item{display:inline-flex;align-items:center;gap:5px;background:var(--surface-soft);border-radius:999px;padding:5px 12px;transition:background .2s,color .2s}
.hot-trends .trend-item:hover{background:var(--primary-light);color:var(--primary-dark)}
.hot-trends .sharp{color:var(--primary);font-weight:800}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#aeb3ad}
.channel-hero{position:relative;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;overflow:hidden}
.channel-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(247,246,242,.96) 0%,rgba(247,246,242,.87) 48%,rgba(14,87,74,.12) 100%);z-index:1}
.channel-hero::after{content:"";position:absolute;inset:0;background:rgba(255,255,255,.12);mix-blend-mode:overlay;z-index:1;pointer-events:none}
.channel-hero .container{position:relative;z-index:3;padding-top:62px;padding-bottom:72px}
.channel-hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center}
.breadcrumb{background:rgba(255,255,255,.6);border:1px solid rgba(230,226,216,.85);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);width:fit-content;margin-bottom:26px;border-radius:999px;padding:7px 16px}
.channel-hero h1{font-size:42px;line-height:1.26;font-weight:900;letter-spacing:-.02em;color:#17201c;margin:0 0 20px}
.channel-hero h1 .brand-inline{color:var(--primary)}
.channel-hero .lead{font-size:17px;line-height:1.85;color:#3f4c46;max-width:640px;margin:0 0 26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-badges span{background:rgba(255,255,255,.78);border:1px solid var(--border);border-radius:999px;padding:6px 15px;font-size:13px;color:#4a5751;font-weight:600}
.channel-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stream-card{background:var(--surface);border:1px solid var(--border);border-radius:26px;overflow:hidden;box-shadow:var(--shadow-lg);transition:transform .3s,box-shadow .3s}
.stream-card:hover{transform:translateY(-4px);box-shadow:0 24px 46px -18px rgba(14,94,93,.24)}
.stream-media{position:relative;height:210px;background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat}
.stream-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(14,49,43,.82) 100%)}
.stream-status{position:absolute;left:20px;top:16px;z-index:4;display:inline-flex;align-items:center;gap:8px;background:rgba(0,0,0,.45);color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:5px 12px;font-size:12px;backdrop-filter:blur(6px)}
.stream-status i{width:8px;height:8px;border-radius:50%;background:var(--success);display:block;animation:pulse 1.6s ease infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,196,140,.5)}70%{box-shadow:0 0 0 8px rgba(0,196,140,0)}100%{box-shadow:0 0 0 0 rgba(0,196,140,0)}}
.stream-body{padding:24px 26px 28px;background:#fff}
.stream-body h3{margin:0 0 6px;font-size:20px;color:#17231f}
.stream-body .stream-desc{margin:0 0 16px;font-size:14px;color:var(--muted)}
.countdown-row{display:flex;align-items:end;gap:10px;flex-wrap:wrap;padding:12px 0 16px;border-top:1px dashed var(--border);border-bottom:1px dashed var(--border);margin-bottom:17px}
.count-label{font-size:12px;color:var(--muted);display:block;margin-bottom:5px}
.count-nums{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:28px;font-weight:800;color:var(--secondary);letter-spacing:.04em}
.count-nums .unit{font-family:var(--font);font-size:13px;font-weight:600;color:var(--muted);margin-left:3px}
.stream-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--secondary);color:#fff;height:44px;border-radius:999px;padding:0 20px;font-size:14px;font-weight:700;cursor:pointer;border:0;transition:background .2s,transform .2s,box-shadow .2s}
.stream-cta:hover{background:#0f826f;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.stream-cta.outline{background:transparent;color:var(--secondary);border:1px solid var(--secondary)}
.stream-cta.outline:hover{background:var(--secondary-light)}
.type-grid{display:grid;grid-template-columns:1.12fr .88fr;grid-auto-rows:auto;gap:24px}
.type-feature-card{background:var(--secondary-dark);border-radius:var(--radius-lg);padding:36px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.type-feature-card::after{content:"";position:absolute;right:-50px;top:-60px;width:190px;height:190px;border-radius:50%;background:rgba(255,255,255,.06)}
.type-feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.type-feature-card .feature-num{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:46px;font-weight:900;color:rgba(255,106,61,.9);line-height:1}
.type-feature-card h3{font-size:26px;margin:20px 0 12px}
.type-feature-card p{color:rgba(255,255,255,.76);margin:0}
.type-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.type-stack-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.type-stack-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.type-stack-card .small-tag{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--primary-dark);background:var(--primary-light);border-radius:999px;padding:4px 12px}
.type-stack-card:nth-child(2) .small-tag{color:var(--secondary-dark);background:var(--secondary-light)}
.type-stack-card h4{font-size:18px;margin:14px 0 8px;color:#17231f}
.type-stack-card p{margin:0;font-size:14px;color:var(--muted)}
.type-stack-card .go-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--secondary);transition:color .2s}
.type-stack-card .go-link:hover{color:var(--primary)}
.go-link svg{width:16px;height:16px;transition:transform .2s}
.go-link:hover svg{transform:translateX(4px)}
.channel-tabs{display:flex;flex-wrap:wrap;gap:10px}
.channel-tabs .tab-btn{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:999px;height:46px;padding:0 20px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .2s}
.channel-tabs .tab-btn:hover{border-color:var(--secondary);color:var(--secondary-dark)}
.channel-tabs .tab-btn.on{background:var(--secondary);border-color:var(--secondary);color:#fff;box-shadow:var(--shadow-sm)}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.guide-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.guide-media{height:190px;overflow:hidden}
.guide-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.guide-card:hover .guide-media img{transform:scale(1.05)}
.guide-body{padding:24px;display:flex;flex-direction:column;flex:1}
.guide-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.guide-badge{background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:700;border-radius:999px;padding:4px 12px}
.guide-badge.green{background:var(--secondary-light);color:var(--secondary-dark)}
.guide-date{font-size:12px;color:#a0a59f;display:inline-flex;align-items:center;gap:4px}
.guide-body h3{margin:0 0 8px;font-size:19px;line-height:1.5;color:#1b2521}
.guide-body p{margin:0 0 18px;font-size:14px;color:var(--muted);flex:1}
.guide-more{display:inline-flex;align-items:center;gap:7px;color:var(--primary-dark);font-size:14px;font-weight:700;width:fit-content}
.guide-more svg{width:16px;height:16px;transition:transform .2s}
.guide-card:hover .guide-more svg{transform:translateX(4px)}
.steps-section{background:var(--surface);border-top:1px solid var(--line)}
.section-dark .section-title{color:#fff}
.stats-band{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:48px 0 3px}
.stat-item{text-align:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:36px 20px;transition:transform .3s,background .3s}
.stat-item:hover{background:rgba(255,255,255,.11);transform:translateY(-4px)}
.stat-num{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:48px;font-weight:900;color:var(--accent-yellow);line-height:1}
.stat-num small{font-size:20px}
.stat-name{color:rgba(255,255,255,.75);font-size:14px;margin-top:12px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.testi-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.testi-card.accent{background:var(--secondary);color:#fff;border-color:var(--secondary)}
.testi-card.accent .testi-text,.testi-card.accent .testi-name{color:#fff}
.testi-card.accent .testi-meta{color:rgba(255,255,255,.8)}
.testi-card.light{background:var(--primary-light);border-color:transparent}
.testi-card.light .testi-name{color:var(--primary-dark)}
.stars{display:flex;gap:3px;color:var(--accent-yellow);letter-spacing:2px;font-size:16px;margin-bottom:14px}
.testi-card.accent .stars{color:#ffd76a}
.testi-text{margin:0 0 20px;font-size:15px;line-height:1.8;color:#39453f;flex:1}
.testi-user{display:flex;align-items:center;gap:12px}
.testi-avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;overflow:hidden;flex-shrink:0;border:2px solid rgba(255,255,255,.6)}
.testi-name{font-size:15px;font-weight:800;color:#202a26}
.testi-meta{font-size:12px;color:var(--muted)}
.step-path{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step-item{background:var(--surface-soft);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 22px;position:relative;transition:transform .3s,box-shadow .3s,background .3s}
.step-item:hover{background:var(--surface);transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-item::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:34px;font-weight:900;color:var(--primary);display:block;line-height:1;margin-bottom:18px}
.step-item h4{margin:0 0 8px;font-size:18px;color:#1b2521}
.step-item p{margin:0;font-size:14px;color:var(--muted)}
.step-connector{display:none}
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:0 24px;transition:box-shadow .2s,border-color .2s}
.faq-item.on{border-color:var(--primary);box-shadow:var(--shadow-md)}
.faq-question{width:100%;border:none;background:transparent;padding:20px 34px 20px 0;font-size:17px;font-weight:800;color:#1f2925;text-align:left;cursor:pointer;position:relative;display:block}
.faq-question::after{content:"+";position:absolute;right:0;top:20px;width:26px;height:26px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);font-size:18px;font-weight:700;display:grid;place-items:center;transition:transform .25s,background .25s}
.faq-item.on .faq-question::after{content:"−";background:var(--primary);color:#fff;transform:rotate(180deg)}
.faq-answer{padding:0 0 20px;color:var(--muted);font-size:15px;display:none}
.faq-item.on .faq-answer{display:block}
.cta-wrap{position:relative;background:url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;border-radius:32px;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-wrap::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,87,74,.93) 30%,rgba(255,106,61,.74) 100%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr .9fr;gap:48px;padding:58px 60px;align-items:center}
.cta-copy .eyebrow{background:rgba(255,255,255,.13);color:#fff}
.cta-copy h2{font-size:31px;line-height:1.4;color:#fff;margin:18px 0 14px}
.cta-copy p{color:rgba(255,255,255,.76);font-size:16px;margin:0;max-width:500px}
.cta-form{background:rgba(255,255,255,.96);border-radius:24px;padding:28px}
.cta-form h3{margin:0 0 16px;font-size:20px;color:#17231f}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-size:13px;font-weight:600;color:var(--text)}
.form-field input,.form-field textarea{height:48px;border:1px solid var(--border);border-radius:13px;padding:0 16px;font-size:15px;background:#faf9f6;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.form-field span{height:48px;border:1px solid var(--border);border-radius:13px;padding:0 16px;background:#faf9f6;display:flex;align-items:center;font-size:15px}
.form-field span.typing{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,61,.12);background:#fff}
.form-field textarea{padding-top:12px;height:96px}
.form-field input:focus,.form-field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(255,106,61,.12)}
.cta-form .btn{width:100%;margin-top:16px}
.form-tip{font-size:12px;color:#8a8f89;text-align:center;margin-top:12px;line-height:1.6}
.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:70;background:rgba(247,246,242,.88);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-top:1px solid var(--line);box-shadow:0 -8px 30px -14px rgba(8,41,34,.2);padding:12px 0;transform:translateY(110%);transition:transform .45s cubic-bezier(.22,1,.36,1)}
.sticky-cta.show{transform:translateY(0)}
.sticky-cta .container{display:flex;align-items:center;gap:18px;justify-content:space-between}
.sticky-cta-left{display:flex;align-items:center;gap:12px}
.sticky-cta-icon{width:34px;height:34px;border-radius:12px;background:var(--primary);display:grid;place-items:center;color:#fff;font-size:13px;font-weight:900;flex-shrink:0}
.sticky-cta-left b{font-size:15px;font-weight:800;color:#17231f}
.sticky-cta-left span{display:block;font-size:12px;color:var(--muted)}
.sticky-cta-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.sticky-cta-right .btn{height:46px;padding:0 22px;font-size:15px}
.sticky-close{width:36px;height:36px;border-radius:50%;border:0;background:var(--surface-soft);color:var(--muted);display:grid;place-items:center;font-size:16px;cursor:pointer;transition:background .2s,color .2s}
.sticky-close:hover{background:var(--primary-light);color:var(--primary)}
.site-footer{background:#edece6;border-top:1px solid var(--border);padding-top:68px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.1fr 1.5fr;gap:64px;padding-bottom:42px}
.footer-logo{display:flex;align-items:center;gap:11px}
.logo-mark.mini{width:44px;height:44px;border-radius:15px}
.footer-logo-name{font-size:24px;font-weight:900;color:#17231f}
.footer-logo-name em{font-style:normal;color:var(--primary)}
.footer-desc{margin:18px 0 0;font-size:14px;color:var(--muted);line-height:1.85;max-width:420px}
.footer-columns{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.footer-col h4{margin:0 0 14px;font-size:15px;font-weight:800;color:#202a26}
.footer-col a{display:flex;align-items:center;gap:7px;width:fit-content;font-size:14px;color:#59635f;line-height:2.4;transition:color .2s}
.footer-col a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);opacity:.7}
.footer-col a:hover{color:var(--primary-dark)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:24px 0 30px;border-top:1px solid var(--border);color:#7d847e;font-size:13px}
.footer-copy b{color:var(--primary-dark);font-weight:800}
@media (max-width:1200px){
  .hot-trends{display:none}
  .channel-hero h1{font-size:38px}
  .cta-inner{padding:48px 38px}
}
@media (max-width:1024px){
  .container{padding-left:22px;padding-right:22px}
  .section{padding:72px 0}
  .channel-hero .container{padding-top:44px;padding-bottom:58px}
  .type-grid{grid-template-columns:1fr}
  .type-stack-card{min-height:auto}
  .stats-band{grid-template-columns:repeat(3,1fr);gap:14px}
  .testi-grid{grid-template-columns:1fr;gap:18px}
  .step-path{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr;gap:36px}
}
@media (max-width:768px){
  body{font-size:15px}
  body::after{height:66px}
  html{scroll-padding-top:118px}
  .container{padding-left:16px;padding-right:16px}
  .section{padding:60px 0}
  .section-title{font-size:27px}
  .section-head{margin-bottom:30px}
  .site-header .header-top{gap:12px;padding:10px 0 8px}
  .logo-tag{display:none}
  .header-search{display:none}
  .header-action-btn{display:none}
  .nav-toggle{display:flex}
  .brand{align-items:center}
  .logo-mark{width:38px;height:38px;border-radius:13px;font-size:17px}
  .logo-title{font-size:20px}
  .header-actions{margin-left:auto}
  .channel-row{position:absolute;top:100%;left:0;right:0;background:#fff;border-top:0;flex-direction:column;gap:0;padding:0;box-shadow:0 18px 28px -12px rgba(14,48,42,.22);max-height:0;overflow:hidden;transition:max-height .35s ease,padding .3s ease}
  .channel-row.open{max-height:440px;padding:12px 16px 16px;border-top:1px solid var(--line)}
  .channel-row.open .channel-nav{flex-direction:column;width:100%}
  .channel-row.open .channel-nav a{width:100%;height:48px;border-radius:14px}
  .channel-hero-grid{grid-template-columns:1fr;gap:28px}
  .channel-hero h1{font-size:30px;line-height:1.35}
  .channel-hero .lead{font-size:16px}
  .hero-badges span{font-size:12px}
  .channel-hero-actions .btn{height:50px;padding:0 22px}
  .stream-card{border-radius:20px}
  .guide-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr;gap:12px}
  .stat-item{padding:24px}
  .cta-inner{grid-template-columns:1fr;padding:40px 26px;gap:30px}
  .cta-copy h2{font-size:26px}
  .form-row{grid-template-columns:1fr}
  .type-feature-card{padding:28px 24px}
  .sticky-cta .container{gap:10px}
  .sticky-cta-left b{font-size:14px}
  .sticky-cta-left span{font-size:11px}
  .footer-bottom{flex-direction:column;padding:20px 0 92px}
}
@media (max-width:520px){
  .channel-hero h1{font-size:26px}
  .channel-hero .lead{font-size:15px}
  .channel-hero-actions{flex-direction:column;align-items:stretch}
  .channel-hero-actions .btn{width:100%}
  .type-feature-card p{font-size:14px}
  .type-stack-card{padding:22px 18px}
  .step-path{grid-template-columns:1fr}
  .testi-card{padding:22px 18px}
  .cta-inner{padding:30px 18px}
  .cta-form{padding:22px 18px}
  .faq-wrap{padding:0}
  .faq-item{padding:0 16px}
  .faq-question{font-size:15px;padding-right:32px}
  .sticky-cta-left{display:none}
  .sticky-cta .container{justify-content:center}
  .sticky-cta-right .btn{width:100%}
  .sticky-close{display:none}
}