/* roulang page: index */
:root{
  --lime:#A8E63D;
  --lime-600:#93cf2c;
  --lime-050:#f1fadd;
  --ink:#132018;
  --ink-deep:#0c150e;
  --text:#10180F;
  --text-2:#4E5A4C;
  --text-3:#7C8878;
  --paper:#FAFAF7;
  --paper-alt:#F0F3EC;
  --line:#E1E7DA;
  --orange:#FF7A45;
  --orange-050:#fff0e9;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 2px 10px rgba(19,32,24,.06);
  --sh-2:0 10px 26px rgba(19,32,24,.12);
  --container:1200px;
  --focus-ring:0 0 0 3px rgba(168,230,61,.45);
  --ff:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--ff);font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,p,figure,ul,ol,dl{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--alt{background:var(--paper-alt);}
.section--dark{background:var(--ink);color:#fff;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink);background:var(--lime-050);border:1px solid var(--line);padding:6px 14px;border-radius:var(--r-btn);margin-bottom:16px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;max-width:640px;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:#b9c6b6;}
.section--dark .section-head .kicker{background:rgba(168,230,61,.14);border-color:rgba(168,230,61,.28);color:var(--lime);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;letter-spacing:.01em;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;white-space:nowrap;}
.btn-primary{background:var(--lime);color:var(--ink);border:1.5px solid var(--lime);box-shadow:0 6px 16px rgba(168,230,61,.28);}
.btn-primary:hover{background:var(--lime-600);border-color:var(--lime-600);transform:translateY(-1px);box-shadow:0 10px 22px rgba(168,230,61,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(168,230,61,.24);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--lime-050);border-color:var(--lime-600);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);border:1.5px solid #fff;}
.btn-light:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,250,247,.94);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav{display:flex;align-items:center;gap:24px;height:74px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.logo-mark svg{width:22px;height:22px;display:block;}
.logo-text{color:var(--ink);}
.logo-tag{font-size:11px;font-weight:700;color:var(--ink);background:var(--lime);padding:2px 7px;border-radius:6px;letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color .18s ease;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:44px;height:44px;border:1.5px solid var(--line);border-radius:12px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-drawer{display:none;}
/* Hero */
.hero{position:relative;padding:64px 0 0;overflow:hidden;background:radial-gradient(120% 90% at 50% -20%,#f4fbe6 0%,rgba(250,250,247,0) 62%);}
.hero-inner{text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);padding:8px 16px;box-shadow:var(--sh-1);}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero h1{margin:22px auto 0;max-width:900px;font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap;}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;background:rgba(168,230,61,.55);z-index:-1;border-radius:3px;}
.hero-sub{margin:20px auto 0;max-width:640px;font-size:17px;color:var(--text-2);}
.hero-actions{margin-top:30px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.hero-trust{margin-top:18px;font-size:13px;color:var(--text-3);display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;}
.hero-trust b{color:var(--ink);font-weight:700;}
.hero-trust span{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.hero-stage{position:relative;margin-top:52px;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:#dfe6d8;}
.hero-stage > img{width:100%;height:clamp(280px,40vw,460px);object-fit:cover;}
.hero-stage::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(19,32,24,0) 42%,rgba(19,32,24,.62) 100%);pointer-events:none;}
.stage-cards{position:absolute;left:24px;right:24px;bottom:24px;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.stage-card{background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.7);border-radius:14px;padding:14px 16px;text-align:left;box-shadow:var(--sh-1);}
.stage-card .sc-label{font-size:12px;font-weight:700;color:var(--text-3);letter-spacing:.04em;}
.stage-card .sc-value{font-size:19px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3;margin-top:2px;}
.stage-card .sc-note{font-size:12.5px;color:var(--text-2);margin-top:2px;}
/* Stats */
.stats{background:var(--paper-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:40px 0;}
.stat{padding-left:22px;border-left:3px solid var(--lime);}
.stat-num{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.15;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-family:var(--mono);}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-2);}
/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--lime);}
.feature-icon{width:48px;height:48px;border-radius:14px;background:var(--lime-050);color:var(--ink);display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.feature-icon svg{width:24px;height:24px;}
.feature-card h3{font-size:20px;font-weight:800;line-height:1.3;}
.feature-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
/* Sessions */
.sessions-scroll{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.sessions-scroll::-webkit-scrollbar{height:8px;}
.sessions-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;}
.sessions-scroll::-webkit-scrollbar-track{background:transparent;}
.session-card{flex:0 0 318px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;gap:12px;}
.session-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--lime);}
.session-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.time-badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;background:var(--ink);color:var(--lime);padding:5px 12px;border-radius:var(--r-btn);}
.session-card h3{font-size:18px;font-weight:800;line-height:1.35;}
.session-meta{display:flex;flex-wrap:wrap;gap:8px;}
.tag{display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:var(--r-btn);background:var(--paper-alt);color:var(--text-2);border:1px solid var(--line);}
.tag--lime{background:var(--lime-050);color:#3f5c10;border-color:#d7edac;}
.tag--ink{background:var(--ink);color:#eaf7cd;border-color:var(--ink);}
.tag--orange{background:var(--orange-050);color:#b23f11;border-color:#ffd6c5;}
.session-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--text-3);}
.session-foot b{color:var(--ink);font-variant-numeric:tabular-nums;}
.sessions-more{margin-top:18px;display:flex;justify-content:center;}
/* Coverage */
.coverage-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}
.city-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}
.city-pill{font-size:14px;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);padding:8px 16px;transition:all .18s ease;}
.city-pill:hover{border-color:var(--lime);color:var(--ink);background:var(--lime-050);transform:translateY(-1px);}
.city-pill.more{background:var(--ink);color:#eaf7cd;border-color:var(--ink);}
.bars{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);}
.bar-row{margin-bottom:18px;}
.bar-row:last-child{margin-bottom:0;}
.bar-label{display:flex;justify-content:space-between;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.bar-label b{color:var(--ink);font-variant-numeric:tabular-nums;font-family:var(--mono);}
.bar-track{height:10px;border-radius:99px;background:var(--paper-alt);overflow:hidden;border:1px solid var(--line);}
.bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--lime),var(--lime-600));}
.bar-fill--orange{background:linear-gradient(90deg,#ffb08c,var(--orange));}
/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 26px 26px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;}
.step:hover{border-color:var(--lime);box-shadow:var(--sh-2);}
.step-num{width:52px;height:52px;border-radius:50%;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:20px;font-weight:800;margin-bottom:18px;}
.step h3{font-size:19px;font-weight:800;}
.step p{margin-top:8px;font-size:14.5px;color:var(--text-2);}
/* Routes */
.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.route-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.route-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--lime);}
.route-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:repeating-linear-gradient(45deg,#e7eee0,#e7eee0 10px,#f2f6ec 10px,#f2f6ec 20px);}
.route-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.route-card:hover .route-thumb img{transform:scale(1.04);}
.route-badge{position:absolute;top:12px;left:12px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-btn);background:#fff;color:var(--ink);box-shadow:var(--sh-1);}
.route-body{padding:18px 20px 22px;}
.route-body h3{font-size:17px;font-weight:800;}
.route-specs{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--text-2);}
.route-specs span{background:var(--paper-alt);border:1px solid var(--line);border-radius:8px;padding:3px 9px;font-variant-numeric:tabular-nums;}
/* Safety */
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.safety-list{display:grid;gap:16px;margin-top:8px;}
.safety-item{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(168,230,61,.2);}
.safety-item .si-idx{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--lime);padding-top:2px;}
.safety-item h4{font-size:16px;font-weight:700;color:#fff;}
.safety-item p{font-size:14px;color:#adbcaa;margin-top:3px;}
.safety-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(168,230,61,.24);}
.safety-visual img{width:100%;height:clamp(300px,38vw,430px);object-fit:cover;}
.safety-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,21,14,.05),rgba(12,21,14,.7));}
.safety-caption{position:absolute;left:20px;right:20px;bottom:20px;z-index:2;background:rgba(12,21,14,.72);border:1px solid rgba(168,230,61,.3);border-radius:14px;padding:14px 18px;color:#e6efdf;font-size:14px;backdrop-filter:blur(4px);}
.safety-caption b{color:var(--lime);}
/* Topics */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.topic-card{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;transition:all .2s ease;box-shadow:var(--sh-1);}
.topic-card:hover{border-color:var(--lime);background:var(--lime-050);transform:translateY(-2px);box-shadow:var(--sh-2);}
.topic-card .tc-title{font-size:16px;font-weight:800;color:var(--ink);}
.topic-card .tc-desc{font-size:13px;color:var(--text-2);line-height:1.6;}
.topic-card .tc-arrow{margin-top:8px;font-size:12px;font-weight:700;color:var(--text-3);letter-spacing:.06em;}
.topic-card:hover .tc-arrow{color:var(--ink);}
/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--lime);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:repeating-linear-gradient(45deg,#e7eee0,#e7eee0 10px,#f2f6ec 10px,#f2f6ec 20px);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;font-weight:800;line-height:1.45;}
.post-body h3 a:hover{color:#5c7a1f;}
.post-summary{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--text-3);}
.post-meta time{font-variant-numeric:tabular-nums;}
.post-read{font-weight:700;color:var(--ink);}
.post-read:hover{text-decoration:underline;}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);color:var(--text-2);}
.empty-state .es-icon{font-size:28px;margin-bottom:10px;color:var(--lime-600);}
.empty-state a{display:inline-block;margin-top:12px;font-weight:700;color:var(--ink);text-decoration:underline;}
/* Tool */
.tool-grid{display:grid;grid-template-columns:1fr .85fr;gap:36px;align-items:center;}
.tool-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--text-2);margin-bottom:8px;}
.field input,.field select{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);background:var(--paper);color:var(--text);transition:border-color .18s ease,box-shadow .18s ease;}
.field input:focus,.field select:focus{border-color:var(--lime-600);box-shadow:var(--focus-ring);outline:none;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.result-card{background:var(--ink);color:#fff;border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-2);}
.result-card h3{font-size:18px;font-weight:800;color:#fff;}
.result-card .rc-sub{font-size:13.5px;color:#a9b8a6;margin-top:6px;}
.rc-rows{margin-top:22px;display:grid;gap:14px;}
.rc-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 16px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(168,230,61,.18);font-size:14px;color:#cfdbca;}
.rc-row b{color:var(--lime);font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:16px;}
/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#dff3b8,#b9d98e);color:#3f5c10;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;flex:0 0 auto;}
.review-name{font-weight:800;font-size:15px;}
.review-city{font-size:12.5px;color:var(--text-3);}
.stars{color:var(--orange);font-size:14px;letter-spacing:2px;margin-bottom:10px;}
.review-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
/* FAQ */
.faq{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;transition:background .18s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#f7f9f3;}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--text-3);transition:transform .22s ease,color .22s ease;line-height:1;}
.faq-item[open] summary{background:#f7f9f3;}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--ink);}
.faq-answer{padding:0 26px 24px;font-size:15px;color:var(--text-2);line-height:1.8;}
/* CTA */
.cta-band{background:var(--ink);color:#fff;border-radius:24px;padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;box-shadow:var(--sh-2);}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.28;color:#fff;}
.cta-band p{margin-top:14px;color:#b3c1af;font-size:15px;max-width:420px;}
.qr-box{margin-top:24px;display:flex;align-items:center;gap:16px;}
.qr-code{width:104px;height:104px;border-radius:14px;background:repeating-linear-gradient(45deg,#e9f5cf,#e9f5cf 6px,#d7ebb1 6px,#d7ebb1 12px);border:2px solid rgba(168,230,61,.5);display:flex;align-items:center;justify-content:center;font-size:12px;color:#3f5c10;font-weight:700;text-align:center;line-height:1.4;}
.qr-note{font-size:13px;color:#a9b8a6;line-height:1.7;}
.qr-note b{color:var(--lime);}
.subscribe{background:rgba(255,255,255,.05);border:1px solid rgba(168,230,61,.22);border-radius:18px;padding:28px;}
.subscribe .field label{color:#c9d6c5;}
.subscribe .field input{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff;}
.subscribe .field input::placeholder{color:#8fa08c;}
.subscribe .field input:focus{border-color:var(--lime);box-shadow:var(--focus-ring);}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#a9b8a6;line-height:1.6;margin-bottom:18px;}
.checkbox input{width:16px;height:16px;margin-top:3px;accent-color:var(--lime);}
.subscribe .btn{width:100%;}
/* Footer */
.site-footer{background:var(--ink-deep);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-mark{background:rgba(168,230,61,.14);color:var(--lime);}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;color:#9fb09c;max-width:300px;line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#9fb09c;position:relative;transition:color .18s ease;}
.footer-col a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.footer-col a:hover{color:#fff;}
.footer-col a:hover::after{transform:scaleX(1);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:#849382;}
.footer-bottom .fb-left{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.footer-bottom .dot{width:4px;height:4px;border-radius:50%;background:#4d5c4b;display:inline-block;}
.no-scroll{overflow:hidden;}
/* Responsive */
@media (max-width:1199px){
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .route-grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .coverage-grid{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;gap:32px;}
  .tool-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .nav{gap:14px;}
  .nav-drawer{position:fixed;inset:74px 0 0 0;background:var(--paper);z-index:70;padding:24px;display:none;overflow-y:auto;}
  .nav-drawer.is-open{display:block;}
  .nav-drawer a{display:block;font-size:18px;font-weight:700;color:var(--ink);padding:18px 4px;border-bottom:1px solid var(--line);}
  .nav-drawer a:last-of-type{border-bottom:0;}
  .nav-drawer .btn{width:100%;margin-top:20px;display:inline-flex;}
  .section{padding:64px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .steps{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .stage-cards{position:static;margin:0;padding:16px;grid-template-columns:1fr;background:#fff;}
  .hero-stage::after{display:none;}
  .hero-stage{background:#fff;}
  .hero-stage > img{border-radius:0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .hero{padding-top:44px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .feature-grid,.route-grid,.topic-grid,.news-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat{padding-left:16px;}
  .session-card{flex:0 0 84%;}
  .field-row{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .subscribe{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:18px;font-size:15px;}
  .faq-answer{padding:0 18px 20px;}
  .qr-box{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .logo{font-size:16px;}
  .logo-tag{display:none;}
  .stats-grid{grid-template-columns:1fr;}
  .session-card{flex:0 0 92%;}
  .hero-trust{gap:6px;font-size:12px;}
}

/* roulang page: article */
:root{
  --lime:#A8E63D;
  --lime-600:#93cf2c;
  --lime-050:#f1fadd;
  --ink:#132018;
  --ink-deep:#0c150e;
  --text:#10180F;
  --text-2:#4E5A4C;
  --text-3:#7C8878;
  --paper:#FAFAF7;
  --paper-alt:#F0F3EC;
  --line:#E1E7DA;
  --orange:#FF7A45;
  --orange-050:#fff0e9;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 2px 10px rgba(19,32,24,.06);
  --sh-2:0 10px 26px rgba(19,32,24,.12);
  --container:1200px;
  --focus-ring:0 0 0 3px rgba(168,230,61,.45);
  --ff:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--ff);font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(168,230,61,.6);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section--alt{background:var(--paper-alt);}
.section--dark{background:var(--ink);color:#fff;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink);background:var(--lime-050);border:1px solid var(--line);padding:6px 14px;border-radius:var(--r-btn);margin-bottom:16px;}
.section-head h2{font-size:clamp(23px,2.8vw,32px);line-height:1.28;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;white-space:nowrap;}
.btn-primary{background:var(--lime);color:var(--ink);border:1.5px solid var(--lime);box-shadow:0 6px 16px rgba(168,230,61,.28);}
.btn-primary:hover{background:var(--lime-600);border-color:var(--lime-600);transform:translateY(-1px);box-shadow:0 10px 22px rgba(168,230,61,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(168,230,61,.24);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--lime-050);border-color:var(--lime-600);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);border:1.5px solid #fff;}
.btn-light:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,250,247,.94);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav{display:flex;align-items:center;gap:24px;height:74px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.logo-mark svg{width:22px;height:22px;display:block;}
.logo-text{color:var(--ink);}
.logo-tag{font-size:11px;font-weight:700;color:var(--ink);background:var(--lime);padding:2px 7px;border-radius:6px;letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color .18s ease;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:44px;height:44px;border:1.5px solid var(--line);border-radius:12px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-drawer{display:none;}
/* Article head */
.article-hero{background:var(--paper-alt);border-bottom:1px solid var(--line);padding:44px 0 48px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.breadcrumb a{color:var(--text-2);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);}
.breadcrumb span.sep{color:#b8c2b2;}
.breadcrumb strong{color:var(--ink);font-weight:700;}
.article-hero .tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.05em;background:var(--lime);color:var(--ink);padding:5px 12px;border-radius:var(--r-btn);margin-bottom:16px;}
.article-hero h1{font-size:clamp(26px,3.4vw,40px);line-height:1.3;font-weight:800;letter-spacing:-.02em;max-width:940px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:22px;font-size:13px;color:var(--text-2);}
.meta-row .m-item{display:inline-flex;align-items:center;gap:6px;}
.meta-row .m-item b{color:var(--ink);font-weight:700;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#c3cdbd;display:inline-block;}
/* Cover */
.cover-wrap{max-width:980px;margin:0 auto 44px;}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-1);background:repeating-linear-gradient(135deg,#eef2e7 0 12px,#f6f8f1 12px 24px);}
.cover-wrap figcaption{margin-top:12px;font-size:13px;color:var(--text-3);text-align:center;}
/* Prose */
.prose{max-width:720px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text);}
.prose > * + *{margin-top:1.1em;}
.prose p{margin:0 0 1.15em;}
.prose h2{font-size:clamp(21px,2.3vw,26px);line-height:1.4;font-weight:800;padding-left:14px;border-left:4px solid var(--lime);margin:44px 0 16px;letter-spacing:-.01em;}
.prose h3{font-size:20px;font-weight:700;line-height:1.45;margin:32px 0 12px;}
.prose h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.prose ul,.prose ol{list-style:disc;padding-left:1.35em;margin:0 0 1.15em;}
.prose ol{list-style:decimal;}
.prose li{margin:.45em 0;}
.prose a{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px;transition:color .18s ease,text-decoration-color .18s ease;}
.prose a:hover{color:var(--lime-600);text-decoration-color:var(--lime-600);}
.prose img{border-radius:var(--r-img);margin:24px 0;max-width:100%;height:auto;}
.prose blockquote{background:var(--lime-050);border-left:5px solid var(--lime);border-radius:0 12px 12px 0;padding:18px 22px;color:var(--text-2);font-size:16px;margin:24px 0;}
.prose blockquote p:last-child{margin-bottom:0;}
.prose .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:24px 0;background:#fff;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;min-width:480px;}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:11px 14px;text-align:left;}
.prose th{background:var(--paper-alt);font-weight:700;color:var(--ink);white-space:nowrap;}
.prose tbody tr:nth-child(even){background:#f7f9f3;}
.prose tbody tr:last-child td{border-bottom:0;}
.prose code{font-family:var(--mono);font-size:14px;background:#f2f5ec;border:1px solid var(--line);padding:2px 6px;border-radius:6px;}
.prose hr{border:0;border-top:1px dashed #cbd4c4;margin:34px 0;}
/* Summary card */
.summary-card{max-width:720px;margin:40px auto 0;background:var(--lime-050);border:1px solid #d8ecb2;border-radius:var(--r-card);padding:26px 28px;box-shadow:var(--sh-1);}
.summary-card h3{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.summary-card h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime-600);}
.summary-card ul{list-style:none;padding:0;}
.summary-card li{position:relative;padding-left:22px;font-size:15px;line-height:1.8;color:var(--text-2);margin:.5em 0;}
.summary-card li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--lime-600);}
/* Empty state */
.empty-state{max-width:720px;margin:0 auto;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:60px 24px;}
.empty-state .ei{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:var(--lime-050);color:var(--lime-600);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;}
.empty-state p{font-size:18px;font-weight:700;margin-bottom:8px;}
.empty-state span{display:block;font-size:14px;color:var(--text-3);margin-bottom:22px;}
/* Callouts */
.callout-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.callout{background:#fff;border:1px solid var(--line);border-left:5px solid var(--lime);border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-1);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.callout:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--lime);}
.callout.is-warn{border-left-color:var(--orange);}
.callout h3{font-size:17px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.callout p{font-size:14px;line-height:1.8;color:var(--text-2);}
.callout a{display:inline-block;margin-top:12px;font-size:14px;font-weight:700;color:var(--ink);border-bottom:2px solid var(--lime);transition:color .18s ease,border-color .18s ease;}
.callout a:hover{color:var(--lime-600);border-color:var(--lime-600);}
/* Related cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;height:100%;}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--lime);}
.post-card .thumb{overflow:hidden;aspect-ratio:16/10;background:repeating-linear-gradient(135deg,#eef2e7 0 12px,#f6f8f1 12px 24px);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card .badge{display:inline-flex;align-self:flex-start;font-size:12px;font-weight:700;color:var(--ink);background:var(--lime-050);border:1px solid #dbeabf;padding:3px 10px;border-radius:var(--r-btn);}
.post-card h3{font-size:17px;font-weight:700;line-height:1.5;transition:color .18s ease;}
.post-card:hover h3{color:var(--lime-600);}
.post-card p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);padding-top:6px;}
.post-card .foot .more{font-weight:700;color:var(--ink);}
.post-card:hover .foot .more{color:var(--lime-600);}
/* Stat strip */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;}
.stat:hover{border-color:var(--lime);box-shadow:var(--sh-2);}
.stat b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:32px;line-height:1.2;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.stat b span{font-size:15px;font-weight:700;color:var(--text-2);margin-left:2px;}
.stat em{display:block;font-style:normal;font-size:13px;color:var(--text-3);margin-top:6px;}
/* Pager */
.pager{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-bottom:34px;}
.pager-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.pager-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--lime);}
.pager-card span{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:6px;}
.pager-card strong{display:block;font-size:16px;font-weight:700;line-height:1.55;}
.pager-card:hover strong{color:var(--lime-600);}
/* Share row */
.share-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid var(--line);padding-top:26px;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);transition:color .18s ease;}
.back-link:hover{color:var(--lime-600);}
.share-group{display:flex;align-items:center;gap:10px;}
.share-group .label{font-size:13px;color:var(--text-3);}
.share-btn{height:40px;padding:0 18px;border-radius:var(--r-btn);border:1.5px solid var(--line);background:#fff;font-size:13px;font-weight:700;color:var(--text-2);transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;}
.share-btn:hover{border-color:var(--lime);color:var(--ink);background:var(--lime-050);transform:translateY(-1px);}
.share-btn:active{transform:translateY(0);}
.copy-tip{font-size:13px;color:var(--lime-600);font-weight:700;opacity:0;transition:opacity .25s ease;}
.copy-tip.is-on{opacity:1;}
/* Footer */
.site-footer{background:var(--ink);color:#dfe7d9;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:#a9b8a3;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;letter-spacing:.05em;margin-bottom:14px;}
.footer-col ul{list-style:none;padding:0;}
.footer-col li{margin:9px 0;}
.footer-col a{font-size:14px;color:#a9b8a3;position:relative;transition:color .18s ease;}
.footer-col a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.footer-col a:hover{color:#fff;}
.footer-col a:hover::after{transform:scaleX(1);}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8b9a86;}
.footer-bottom .fb-left{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.footer-bottom .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.3);display:inline-block;}
@media (max-width:1199px){
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .nav-drawer{display:none;position:fixed;left:0;right:0;top:74px;bottom:0;background:var(--paper);padding:20px 24px 40px;overflow-y:auto;z-index:79;border-top:1px solid var(--line);}
  .nav-drawer.is-open{display:block;}
  .nav-drawer > a{display:block;font-size:18px;font-weight:600;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink);}
  .nav-drawer > a.btn{margin-top:22px;border-bottom:0;font-size:16px;color:var(--ink);}
  .section{padding:64px 0;}
  .callout-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .article-hero{padding:34px 0 38px;}
  .cover-wrap{margin-bottom:34px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .post-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .pager{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand p{max-width:none;}
  .prose{font-size:16px;line-height:1.85;}
  .prose h2{margin-top:34px;padding-left:12px;}
  .summary-card{padding:22px 20px;}
  .share-row{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:520px){
  .article-hero h1{font-size:24px;}
  .meta-row{font-size:12px;gap:6px 12px;}
  .stat b{font-size:26px;}
  .cover-wrap figcaption{text-align:left;}
}

/* roulang page: category1 */
:root{
  --lime:#A8E63D;
  --lime-600:#93cf2c;
  --lime-050:#f1fadd;
  --ink:#132018;
  --ink-deep:#0c150e;
  --text:#10180F;
  --text-2:#4E5A4C;
  --text-3:#7C8878;
  --paper:#FAFAF7;
  --paper-alt:#F0F3EC;
  --line:#E1E7DA;
  --orange:#FF7A45;
  --orange-050:#fff0e9;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 2px 10px rgba(19,32,24,.06);
  --sh-2:0 10px 26px rgba(19,32,24,.12);
  --container:1200px;
  --focus-ring:0 0 0 3px rgba(168,230,61,.45);
  --ff:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--ff);font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:84px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--paper-alt);}
.section--dark{background:var(--ink);color:#fff;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink);background:var(--lime-050);border:1px solid var(--line);padding:6px 14px;border-radius:var(--r-btn);margin-bottom:14px;}
.section-head h2{font-size:clamp(23px,2.8vw,32px);line-height:1.28;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:660px;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:#b9c6b6;}
.section--dark .section-head .kicker{background:rgba(168,230,61,.14);border-color:rgba(168,230,61,.28);color:var(--lime);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;letter-spacing:.01em;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;white-space:nowrap;}
.btn-primary{background:var(--lime);color:var(--ink);border:1.5px solid var(--lime);box-shadow:0 6px 16px rgba(168,230,61,.28);}
.btn-primary:hover{background:var(--lime-600);border-color:var(--lime-600);transform:translateY(-1px);box-shadow:0 10px 22px rgba(168,230,61,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(168,230,61,.24);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--lime-050);border-color:var(--lime-600);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4);}
.btn-outline-light:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,250,247,.94);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav{display:flex;align-items:center;gap:24px;height:74px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.logo-mark svg{width:22px;height:22px;display:block;}
.logo-text{color:var(--ink);}
.logo-tag{font-size:11px;font-weight:700;color:var(--ink);background:var(--lime);padding:2px 7px;border-radius:6px;letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color .18s ease;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:44px;height:44px;border:1.5px solid var(--line);border-radius:12px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-drawer{display:none;}
/* 窄幅标题带 */
.page-band{position:relative;background:var(--paper-alt);border-bottom:1px solid var(--line);padding:34px 0 30px;overflow:hidden;}
.page-band::before{content:"";position:absolute;right:-80px;top:-60px;width:340px;height:340px;border-radius:50%;border:2px dashed rgba(168,230,61,.55);opacity:.7;pointer-events:none;}
.page-band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:repeating-linear-gradient(90deg,var(--lime) 0 26px,transparent 26px 52px);opacity:.5;}
.band-inner{position:relative;z-index:1;max-width:840px;}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:12px;}
.crumbs a{color:var(--text-2);transition:color .18s ease;}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{color:#c3ccbb;}
.page-band h1{font-size:clamp(26px,3.4vw,40px);line-height:1.22;font-weight:800;letter-spacing:-.02em;}
.page-band h1 .mark{background:linear-gradient(transparent 62%,rgba(168,230,61,.6) 62%);}
.band-desc{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:680px;}
.band-meta{margin-top:16px;display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-3);}
.band-meta .pill{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);padding:5px 13px;color:var(--text-2);font-weight:600;}
.band-meta .pill i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
/* 筛选条 */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);padding:18px 0;}
.filter-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.filter-label{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.04em;flex:0 0 auto;}
.chip-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-right:14px;border-right:1px solid var(--line);}
.chip-group:last-child{border-right:0;padding-right:0;}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-btn);border:1.5px solid var(--line);background:#fff;color:var(--text-2);font-size:13.5px;font-weight:600;transition:all .18s ease;}
.chip:hover{border-color:var(--lime-600);color:var(--ink);background:var(--lime-050);}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip.is-on:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;}
/* 场次卡 */
.sessions-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.session-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
.session-card:hover{border-color:var(--lime);box-shadow:var(--sh-2);transform:translateY(-2px);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:repeating-linear-gradient(135deg,#eef2e7 0 12px,#e7ecdf 12px 24px);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.session-card:hover .card-media img{transform:scale(1.04);}
.card-media .tag-float{position:absolute;left:12px;top:12px;}
.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;border-radius:var(--r-btn);font-size:12px;font-weight:700;letter-spacing:.02em;}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-dark{background:rgba(19,32,24,.88);color:#fff;}
.badge-orange{background:var(--orange-050);color:#c2461c;border:1px solid #ffd9c9;}
.badge-soft{background:#fff;color:var(--text-2);border:1px solid var(--line);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-title{font-size:17.5px;font-weight:800;line-height:1.4;letter-spacing:-.01em;}
.card-title a:hover{color:#3c6b12;}
.card-text{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:6px;}
.card-meta b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:#3c6b12;margin-top:12px;transition:gap .18s ease,color .18s ease;}
.card-link:hover{gap:12px;color:var(--ink);}
.card-link svg{width:14px;height:14px;}
.more-row{display:flex;justify-content:center;margin-top:42px;}
/* 安全须知 */
.safety-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:8px 30px;box-shadow:var(--sh-1);}
.safety-item{position:relative;padding:22px 0 22px 26px;border-left:3px solid var(--lime);border-radius:2px;}
.safety-item + .safety-item{border-top:1px solid var(--line);}
.safety-item .num{display:inline-block;font-family:var(--mono);font-size:13px;font-weight:700;color:#3c6b12;background:var(--lime-050);border-radius:6px;padding:1px 8px;margin-bottom:8px;letter-spacing:.06em;}
.safety-item h3{font-size:17px;font-weight:800;line-height:1.45;}
.safety-item p{font-size:14px;color:var(--text-2);margin-top:6px;}
.safety-aside{background:var(--ink);color:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-2);}
.safety-aside h3{font-size:18px;font-weight:800;color:#fff;}
.safety-aside p{font-size:14px;color:#b9c6b6;margin-top:10px;}
.safety-aside ul{margin-top:18px;display:grid;gap:12px;}
.safety-aside li{display:flex;gap:10px;font-size:14px;color:#e6ecdf;line-height:1.65;}
.safety-aside li span{color:var(--lime);font-weight:800;flex:0 0 auto;}
/* 装备卡 */
.gear-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.gear-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
.gear-card:hover{border-color:var(--lime);box-shadow:var(--sh-2);transform:translateY(-2px);}
.gear-card .card-media{aspect-ratio:4/3;}
.gear-card .gear-body{padding:16px 18px 20px;}
.gear-card h3{font-size:16px;font-weight:800;line-height:1.4;}
.gear-card p{font-size:13.5px;color:var(--text-2);margin-top:7px;}
/* 数据看板 */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:border-color .22s ease,box-shadow .22s ease;}
.stat-card:hover{border-color:var(--lime);box-shadow:var(--sh-2);}
.stat-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(28px,3vw,38px);font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.1;}
.stat-num small{font-size:15px;font-weight:700;color:var(--text-2);margin-left:3px;}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--text-2);font-weight:600;}
.stat-note{margin-top:4px;font-size:12px;color:var(--text-3);}
/* 相关专题 */
.topic-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.topic-item{border-bottom:1px solid var(--line);}
.topic-item:last-child{border-bottom:0;}
.topic-item a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 24px;transition:background .18s ease,padding-left .18s ease;}
.topic-item a:hover{background:var(--lime-050);padding-left:30px;}
.topic-item .t-title{font-size:15.5px;font-weight:700;display:flex;align-items:center;gap:10px;line-height:1.5;}
.topic-item .t-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex:0 0 auto;}
.topic-item time{font-family:var(--mono);font-size:12.5px;color:var(--text-3);flex:0 0 auto;letter-spacing:.02em;}
/* CTA */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:72px 0;}
.cta-band::before{content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;border:2px dashed rgba(168,230,61,.35);}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(23px,2.8vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.01em;color:#fff;}
.cta-inner p{margin-top:10px;font-size:15px;color:#b9c6b6;max-width:600px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* Footer */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 26px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#a9b7a6;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{position:relative;font-size:13.5px;color:#a9b7a6;transition:color .18s ease;}
.footer-col a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.footer-col a:hover{color:#fff;}
.footer-col a:hover::after{transform:scaleX(1);}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#8b9a88;}
.fb-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.28);display:inline-block;}
@media (max-width:1199.98px){
  .sessions-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .gear-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav{height:66px;}
  .nav-drawer{display:none;background:#fff;border-bottom:1px solid var(--line);padding:12px 24px 22px;}
  .nav-drawer.is-open{display:block;}
  .nav-drawer a{display:block;font-size:18px;font-weight:600;padding:14px 2px;border-bottom:1px solid var(--line);color:var(--text);}
  .nav-drawer a.btn{margin-top:16px;border-bottom:0;text-align:center;font-size:15px;padding:0 20px;justify-content:center;}
  .section{padding:60px 0;}
  .section--tight{padding:44px 0;}
  .filter-row{gap:10px;}
  .chip-group{border-right:0;padding-right:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .container{padding:0 18px;}
  .sessions-grid{grid-template-columns:1fr;}
  .gear-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .safety-list{padding:4px 18px;}
  .safety-item{padding:18px 0 18px 18px;}
  .btn{width:100%;}
  .nav-actions .btn-sm{width:auto;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .topic-item a{flex-direction:column;align-items:flex-start;gap:6px;padding:16px 18px;}
  .topic-item time{padding-left:16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-brand p{max-width:100%;}
  .page-band{padding:26px 0 24px;}
  .page-band::before{display:none;}
}
@media (max-width:519.98px){
  .band-meta{gap:8px;}
  .chip{height:32px;padding:0 12px;font-size:12.5px;}
  .section-head{margin-bottom:30px;}
  .card-body{padding:16px 16px 18px;}
}