/* roulang page: index */
:root{
  --c-primary:#E8546B;
  --c-primary-hover:#D6405A;
  --c-primary-active:#BE3450;
  --c-primary-soft:#FFE3E4;
  --c-accent:#FF9E6B;
  --c-ink:#221726;
  --c-ink-2:#6B5B66;
  --c-ink-3:#9A8B93;
  --c-bg:#FDF7F4;
  --c-bg-2:#FFF1EA;
  --c-line:#EFE0D8;
  --c-ok:#1F9D7A;
  --radius-card:18px;
  --radius-img:14px;
  --radius-tag:8px;
  --shadow:0 4px 16px rgba(34,23,38,.06);
  --shadow-hover:0 12px 32px rgba(34,23,38,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-hover);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;font-size:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--c-ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(253,247,244,.94);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 6px 24px rgba(34,23,38,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:18px;letter-spacing:-.02em}
.logo:hover{color:var(--c-ink);text-decoration:none}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#E8546B 0%,#FF9E6B 100%);display:grid;place-items:center;box-shadow:0 6px 16px rgba(232,84,107,.3);flex:0 0 auto}
.logo-mark svg{width:21px;height:21px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text small{font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.06em;margin-top:3px}
.nav-main{display:flex;align-items:center;gap:6px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{display:inline-block;padding:9px 15px;border-radius:999px;font-size:15px;color:var(--c-ink-2);position:relative;transition:background .2s ease,color .2s ease}
.nav-links a:hover{color:var(--c-ink);background:var(--c-primary-soft);text-decoration:none}
.nav-links a.active{color:var(--c-ink);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;padding:0;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);margin:3px auto;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:1px solid transparent;padding:13px 26px;font-size:15px;font-weight:600;letter-spacing:.01em;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(232,84,107,.28)}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(232,84,107,.34)}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:0 4px 12px rgba(232,84,107,.26)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-ink);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-tag);background:var(--c-primary-soft);color:var(--c-primary-active);font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1.6}
.tag-soft{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2)}
.tag-ok{background:rgba(31,157,122,.1);color:var(--c-ok)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--c-ok);flex:0 0 auto}
.badge-dot.warn{background:var(--c-accent)}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section--alt{background:var(--c-bg-2)}
.section--dark{background:var(--c-ink);color:#F7ECEA}
.section-head{max-width:720px;margin-bottom:36px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head p{color:var(--c-ink-2);font-size:16px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
.section--dark .section-head .eyebrow{color:var(--c-accent)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- hero ---------- */
.hero{position:relative;padding:64px 0 76px;overflow:hidden;background:
  radial-gradient(900px 420px at 88% -10%,rgba(255,158,107,.28),transparent 62%),
  radial-gradient(760px 400px at 6% 4%,rgba(232,84,107,.16),transparent 60%),
  var(--c-bg)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--c-line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:2}
.hero-copy .hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);margin-bottom:20px}
.hero-copy h1{font-size:46px;line-height:1.22;margin-bottom:18px}
.hero-copy h1 em{font-style:normal;color:var(--c-primary);position:relative}
.hero-copy h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:rgba(255,158,107,.42);border-radius:4px;z-index:-1}
.hero-copy .lead{font-size:17px;color:var(--c-ink-2);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px}
.trust-item{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;border:1px solid var(--c-line);background:rgba(255,255,255,.72);font-size:13px;color:var(--c-ink-2)}
.trust-item svg{width:15px;height:15px;flex:0 0 auto;color:var(--c-ok)}
.hero-visual{position:relative}
.hero-photo{border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(34,23,38,.16);border:6px solid #fff;background:#fff}
.hero-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4;transition:transform .5s ease}
.hero-photo:hover img{transform:scale(1.03)}
.float-card{position:absolute;background:#fff;border-radius:14px;box-shadow:0 12px 30px rgba(34,23,38,.14);padding:10px 14px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink);border:1px solid var(--c-line)}
.float-card strong{font-size:15px;font-weight:800;display:block;line-height:1.2}
.float-card small{color:var(--c-ink-3);font-size:12px}
.float-card .mini-ico{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary-active);font-weight:800;font-size:13px}
.float-a{top:16px;right:-14px}
.float-b{bottom:52px;left:-20px}
.float-c{bottom:-16px;right:26px}

/* ---------- city strip ---------- */
.city-strip{display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:space-between}
.city-scroll{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;flex:1 1 520px;scrollbar-width:thin}
.city-chip{padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:14px;color:var(--c-ink-2);white-space:nowrap;transition:all .2s ease}
.city-chip:hover,.city-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(232,84,107,.24);text-decoration:none}
.city-stat{display:flex;gap:12px;flex:0 0 auto}
.stat-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:14px 20px;box-shadow:var(--shadow);min-width:140px}
.stat-card b{display:block;font-size:24px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em;line-height:1.2}
.stat-card span{font-size:13px;color:var(--c-ink-3)}

/* ---------- feature grid ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.feature-card{padding:26px 24px}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.feature-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(232,84,107,.14),rgba(255,158,107,.24));color:var(--c-primary-active);font-weight:800;font-size:18px;margin-bottom:16px}
.feature-card h3{font-size:19px;margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--c-ink-2);line-height:1.75}

/* ---------- circle wall ---------- */
.circle-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.circle-card{display:block;padding:20px 18px;border-radius:var(--radius-card);background:#fff;border:1px solid var(--c-line);box-shadow:var(--shadow);color:var(--c-ink);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.circle-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--c-primary-soft);text-decoration:none;color:var(--c-ink)}
.circle-card h3{font-size:17px;margin-bottom:6px}
.circle-card p{font-size:13px;color:var(--c-ink-2);line-height:1.7;margin-bottom:12px;min-height:44px}
.circle-card .tag{font-size:12px}

/* ---------- events ---------- */
.event-list{display:flex;flex-direction:column;gap:14px}
.event-item{display:grid;grid-template-columns:84px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:18px 22px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.event-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.event-date{background:var(--c-bg-2);border-radius:14px;padding:10px 6px;text-align:center;border:1px solid var(--c-line)}
.event-date b{display:block;font-size:20px;font-weight:800;color:var(--c-primary);line-height:1.2}
.event-date span{font-size:12px;color:var(--c-ink-3)}
.event-body h3{font-size:17px;margin-bottom:4px}
.event-body p{font-size:13px;color:var(--c-ink-2)}
.event-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.event-side .cap{font-size:13px;color:var(--c-ink-3)}

/* ---------- safety rows ---------- */
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.safety-card{padding:28px 24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow);position:relative;overflow:hidden}
.safety-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-ok);opacity:.9}
.safety-card h3{font-size:19px;margin:14px 0 8px}
.safety-card p{font-size:14px;color:var(--c-ink-2)}
.safety-ico{width:42px;height:42px;border-radius:12px;background:rgba(31,157,122,.1);color:var(--c-ok);display:grid;place-items:center;font-weight:800}
.safety-ico svg{width:22px;height:22px}

/* ---------- member compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.plan{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:28px 26px;box-shadow:var(--shadow)}
.plan.is-pro{border-color:rgba(232,84,107,.4);box-shadow:0 12px 34px rgba(232,84,107,.14)}
.plan h3{font-size:20px;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.plan .plan-sub{font-size:13px;color:var(--c-ink-3);margin-bottom:20px}
.plan ul{display:flex;flex-direction:column;gap:12px}
.plan li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-2);align-items:flex-start;line-height:1.7}
.plan li i{flex:0 0 auto;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:700;margin-top:2px}
.plan li i.yes{background:rgba(31,157,122,.12);color:var(--c-ok)}
.plan li i.no{background:#F4EDE9;color:var(--c-ink-3)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow);position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-size:15px;font-weight:800;color:var(--c-primary);letter-spacing:.06em;display:block;margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-ink-2)}
.step-visual{margin-top:18px;height:74px;border-radius:12px;border:1px dashed var(--c-line);background:var(--c-bg-2);display:grid;place-items:center;color:var(--c-ink-3);font-size:12px;letter-spacing:.08em}

/* ---------- city matrix ---------- */
.city-matrix{display:flex;flex-wrap:wrap;gap:12px}
.city-matrix a{display:inline-block;padding:10px 20px;border-radius:999px;background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-size:14px;transition:all .2s ease}
.city-matrix a:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-primary-active);text-decoration:none}
.city-note{margin-top:18px;font-size:14px;color:var(--c-ink-3)}

/* ---------- stories ---------- */
.story-card{padding:26px 24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.story-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.story-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,#E8546B,#FF9E6B);font-size:17px;flex:0 0 auto}
.story-head b{display:block;font-size:15px}
.story-head small{color:var(--c-ink-3);font-size:12px}
.story-card p{font-size:14px;color:var(--c-ink-2);line-height:1.8}

/* ---------- topic cards ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic-card{display:flex;flex-direction:column;gap:10px;padding:22px 20px;border-radius:var(--radius-card);background:#fff;border:1px solid var(--c-line);box-shadow:var(--shadow);color:var(--c-ink);transition:transform .25s ease,box-shadow .25s ease}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);text-decoration:none;color:var(--c-ink)}
.topic-card h3{font-size:16px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-card p{font-size:13px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-meta{font-size:12px;color:var(--c-ink-3);margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line)}

/* ---------- cms list ---------- */
.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(--c-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);color:var(--c-ink);transition:transform .25s ease,box-shadow .25s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);text-decoration:none;color:var(--c-ink)}
.post-cover{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-2)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:13px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--c-ink-3)}
.empty-state{grid-column:1/-1;padding:44px 24px;text-align:center;border:1px dashed var(--c-line);border-radius:var(--radius-card);background:#fff;color:var(--c-ink-3);font-size:14px}
.empty-state .es-ico{width:44px;height:44px;border-radius:14px;background:var(--c-bg-2);display:grid;place-items:center;margin:0 auto 12px;color:var(--c-primary);font-weight:800}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:16px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item.open{box-shadow:var(--shadow-hover);border-color:rgba(232,84,107,.32)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 22px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink)}
.faq-q .plus{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-active);display:grid;place-items:center;font-size:16px;line-height:1;transition:transform .28s ease}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;padding:0 22px;color:var(--c-ink-2);font-size:14px;line-height:1.85}
.faq-item.open .faq-a{max-height:320px;padding:0 22px 18px}

/* ---------- anti fraud ---------- */
.antifraud{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.antifraud h2{color:#fff;font-size:32px;margin-bottom:14px}
.antifraud p{color:rgba(255,255,255,.72);font-size:15px}
.rule-list{display:flex;flex-direction:column;gap:14px}
.rule-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.88);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:14px 18px}
.rule-list li span.n{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--c-accent);color:#2A1A1F;font-weight:800;font-size:12px;display:grid;place-items:center;margin-top:3px}

/* ---------- download ---------- */
.download-band{position:relative;border-radius:26px;overflow:hidden;padding:56px 48px;color:#fff;background:linear-gradient(120deg,rgba(34,23,38,.92),rgba(34,23,38,.72)),url('/assets/images/e000e087e503b7e1.webp') center/cover no-repeat}
.download-inner{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;position:relative;z-index:2}
.download-band h2{font-size:32px;color:#fff;margin-bottom:12px}
.download-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:520px}
.download-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.download-band .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);color:#fff}
.download-band .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.qr-box{width:150px;height:150px;border-radius:18px;border:2px dashed rgba(255,255,255,.4);display:grid;place-items:center;text-align:center;font-size:12px;color:rgba(255,255,255,.7);background:rgba(255,255,255,.06);line-height:1.6;padding:10px}
.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:10px}
.qr-wrap small{font-size:12px;color:rgba(255,255,255,.6)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo-text small{color:rgba(255,255,255,.45)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.62);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--c-accent);text-decoration:none}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding-top:22px;font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom .fb-right{display:flex;flex-wrap:wrap;gap:16px}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 22px}
  .hero-copy h1{font-size:40px}
  .circle-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:992px){
  .nav-toggle{display:grid}
  .nav-main{position:fixed;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 18px 40px rgba(34,23,38,.14);padding:14px 20px 20px;display:none;flex-direction:column;align-items:stretch;gap:8px;max-height:calc(100vh - 72px);overflow-y:auto}
  .nav-main.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:16px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:var(--c-primary-soft)}
  .nav-actions .btn-sm{display:none}
  .hero{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{font-size:34px}
  .hero-copy .lead{font-size:16px}
  .float-a{right:8px}
  .float-b{left:8px}
  .float-c{right:12px;bottom:-10px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .circle-grid{grid-template-columns:repeat(3,1fr)}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .safety-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .antifraud{grid-template-columns:1fr;gap:28px}
  .antifraud h2{font-size:26px}
  .download-band{padding:40px 28px}
  .download-inner{grid-template-columns:1fr}
  .qr-wrap{align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .event-item{grid-template-columns:70px 1fr;gap:16px}
  .event-side{grid-column:2;flex-direction:row;align-items:center;justify-content:space-between;width:100%}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .hero-copy h1{font-size:29px}
  .section{padding:44px 0}
  .section-head h2{font-size:23px}
  .grid-4,.grid-3,.grid-2,.compare,.topic-grid,.post-grid,.circle-grid{grid-template-columns:1fr}
  .city-strip{flex-direction:column;align-items:stretch}
  .city-stat{width:100%}
  .stat-card{flex:1 1 auto;min-width:0}
  .city-matrix a{padding:9px 16px;font-size:13px}
  .download-band h2{font-size:24px}
  .faq-q{font-size:15px;padding:14px 16px}
  .faq-a{padding:0 16px}
  .faq-item.open .faq-a{padding:0 16px 16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .nav-bar{height:66px}
  .nav-main{top:66px;max-height:calc(100vh - 66px)}
}
@media (max-width:480px){
  .hero-copy h1{font-size:26px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .float-card{display:none}
  .card,.feature-card,.story-card,.plan,.step{padding-left:16px;padding-right:16px}
  .event-item{padding:14px 16px}
  .stat-card{padding:12px 16px}
}

/* roulang page: article */
:root{
  --c-primary:#E8546B;
  --c-primary-hover:#D6405A;
  --c-primary-active:#BE3450;
  --c-primary-soft:#FFE3E4;
  --c-accent:#FF9E6B;
  --c-ink:#221726;
  --c-ink-2:#6B5B66;
  --c-ink-3:#9A8B93;
  --c-bg:#FDF7F4;
  --c-bg-2:#FFF1EA;
  --c-line:#EFE0D8;
  --c-ok:#1F9D7A;
  --radius-card:18px;
  --radius-img:14px;
  --radius-tag:8px;
  --shadow:0 4px 16px rgba(34,23,38,.06);
  --shadow-hover:0 12px 32px rgba(34,23,38,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.3;color:var(--c-ink)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-hover);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;font-size:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(253,247,244,.94);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 6px 24px rgba(34,23,38,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:18px;letter-spacing:-.02em}
.logo:hover{color:var(--c-ink);text-decoration:none}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#E8546B 0%,#FF9E6B 100%);display:grid;place-items:center;box-shadow:0 6px 16px rgba(232,84,107,.3);flex:0 0 auto}
.logo-mark svg{width:21px;height:21px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text small{font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.06em;margin-top:3px}
.nav-main{display:flex;align-items:center;gap:6px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{display:inline-block;padding:9px 15px;border-radius:999px;font-size:15px;color:var(--c-ink-2);position:relative;transition:background .2s ease,color .2s ease}
.nav-links a:hover{color:var(--c-ink);background:var(--c-primary-soft);text-decoration:none}
.nav-links a.active{color:var(--c-ink);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;padding:0;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);margin:3px auto;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(34,23,38,.45);z-index:78}
.nav-backdrop.open{display:block}

/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:1px solid transparent;padding:13px 26px;font-size:15px;font-weight:600;letter-spacing:.01em;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(232,84,107,.28)}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(232,84,107,.34)}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:0 4px 12px rgba(232,84,107,.26)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-ink);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-tag);background:var(--c-primary-soft);color:var(--c-primary-active);font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1.6}
.tag-soft{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2)}
.tag-ok{background:rgba(31,157,122,.1);color:var(--c-ok)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--c-ok);flex:0 0 auto}
.badge-dot.warn{background:var(--c-accent)}

/* ---------- section ---------- */
.section{padding:72px 0}
.section--alt{background:var(--c-bg-2)}
.section--dark{background:var(--c-ink);color:#F7ECEA}
.section-head{max-width:720px;margin-bottom:36px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);margin-bottom:12px}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head p{color:var(--c-ink-2);font-size:16px;margin-bottom:0}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
.section--dark .section-head .eyebrow{color:var(--c-accent)}

/* ---------- article head ---------- */
.article-head{padding:40px 0 0;background:
  radial-gradient(820px 360px at 92% -20%,rgba(255,158,107,.22),transparent 62%),
  radial-gradient(700px 340px at 2% 0%,rgba(232,84,107,.12),transparent 58%),
  var(--c-bg);
  border-bottom:1px solid var(--c-line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.article-head-inner{max-width:820px}
.article-head h1{font-size:42px;line-height:1.24;margin:14px 0 18px;letter-spacing:-.025em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--c-ink-3);padding-bottom:34px}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-ink-3)}
.article-meta .author-name{color:var(--c-ink-2);font-weight:600}
.article-cover{max-width:980px;margin:0 auto;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--c-line);transform:translateY(30px);background:#fff}
.article-cover img{width:100%;height:auto;aspect-ratio:16/8;object-fit:cover}

/* ---------- article layout ---------- */
.article-wrap{padding:80px 0 56px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-body{font-size:16px;line-height:1.9;color:var(--c-ink);word-break:break-word}
.article-body h2{font-size:30px;line-height:1.35;margin:1.9em 0 .75em;padding-left:14px;border-left:4px solid var(--c-primary);scroll-margin-top:96px}
.article-body h3{font-size:21px;line-height:1.45;margin:1.7em 0 .6em;scroll-margin-top:96px}
.article-body h4{font-size:18px;margin:1.5em 0 .5em;scroll-margin-top:96px}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body li::marker{color:var(--c-primary)}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;border-left:4px solid var(--c-primary);background:var(--c-primary-soft);border-radius:0 12px 12px 0;color:var(--c-ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.5em 0 .6em;box-shadow:var(--shadow)}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;line-height:1.7}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-hover)}
.article-body strong{font-weight:700;color:var(--c-ink)}
.article-body hr{border:0;border-top:1px dashed var(--c-line);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.article-body th{background:var(--c-bg-2);font-weight:700}

/* key points */
.keypoints{margin:0 0 34px;padding:24px 26px;border-radius:var(--radius-card);background:var(--c-primary-soft);border:1px solid #FFD3D6}
.keypoints h2{font-size:18px;margin:0 0 14px;display:flex;align-items:center;gap:9px;letter-spacing:0}
.keypoints h2 .kp-ico{width:24px;height:24px;border-radius:8px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800}
.keypoints ul{display:grid;gap:10px}
.keypoints li{position:relative;padding-left:26px;font-size:15px;line-height:1.75;color:var(--c-ink)}
.keypoints li::before{content:"";position:absolute;left:0;top:10px;width:14px;height:14px;border-radius:50%;background:var(--c-primary);opacity:.22}
.keypoints li::after{content:"";position:absolute;left:4.5px;top:14px;width:5px;height:5px;border-radius:50%;background:var(--c-primary)}

/* empty state */
.article-empty{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:56px 32px;text-align:center;box-shadow:var(--shadow)}
.article-empty .empty-ico{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--c-bg-2);display:grid;place-items:center;font-size:26px}
.article-empty h2{font-size:24px;margin-bottom:10px}
.article-empty p{color:var(--c-ink-2);max-width:460px;margin:0 auto 24px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow)}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--c-primary)}
.toc{display:grid;gap:6px;max-height:280px;overflow:auto}
.toc a{display:block;font-size:14px;line-height:1.6;color:var(--c-ink-2);padding:6px 10px;border-radius:10px;border-left:2px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease}
.toc a:hover{background:var(--c-bg-2);color:var(--c-primary-active);text-decoration:none;border-left-color:var(--c-primary)}
.toc a.toc-sub{padding-left:22px;font-size:13px;color:var(--c-ink-3)}
.toc .toc-empty{font-size:13px;color:var(--c-ink-3);line-height:1.7}
.hot-list{display:grid;gap:12px;counter-reset:hot}
.hot-list li{counter-increment:hot;display:flex;gap:10px;align-items:flex-start}
.hot-list li::before{content:counter(hot);flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:var(--c-bg-2);color:var(--c-ink-2);font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px}
.hot-list li:nth-child(-n+3)::before{background:var(--c-primary);color:#fff}
.hot-list a{font-size:14px;line-height:1.6;color:var(--c-ink-2)}
.hot-list a:hover{color:var(--c-primary)}
.city-tags{display:flex;flex-wrap:wrap;gap:8px}
.city-tags a{font-size:13px;padding:5px 11px;border-radius:999px;background:var(--c-bg-2);color:var(--c-ink-2);border:1px solid transparent;transition:all .2s ease}
.city-tags a:hover{background:var(--c-primary-soft);color:var(--c-primary-active);border-color:#FFD3D6;text-decoration:none}
.side-cta{background:linear-gradient(150deg,#FFF6F1 0%,#FFE3E4 100%);border:1px solid #FFD9CE;border-radius:var(--radius-card);padding:22px;text-align:center}
.side-cta h3{font-size:17px;margin-bottom:8px}
.side-cta p{font-size:13px;color:var(--c-ink-2);line-height:1.7;margin-bottom:14px}
.qr-box{width:88px;height:88px;margin:0 auto 14px;border-radius:14px;background:#fff;border:1px dashed #E6BFC2;display:grid;place-items:center;color:var(--c-ink-3);font-size:12px;letter-spacing:.08em}

/* ---------- author / related / prevnext ---------- */
.author-card{margin-top:44px;display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow)}
.author-avatar{flex:0 0 auto;width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#E8546B,#FF9E6B);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;letter-spacing:.02em}
.author-card h3{font-size:16px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.author-card p{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0}
.author-card .author-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}

.related{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.rel-card .rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-2)}
.rel-card .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.rel-body h3{font-size:17px;line-height:1.5;font-weight:700;letter-spacing:0}
.rel-body p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin:0}
.rel-foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--c-ink-3)}
.rel-foot .arrow{color:var(--c-primary);font-weight:700}

.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pn-item{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:20px 22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pn-item:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#FFD3D6}
.pn-item .pn-label{display:block;font-size:12px;color:var(--c-ink-3);letter-spacing:.06em;margin-bottom:8px}
.pn-item strong{display:block;font-size:16px;color:var(--c-ink);line-height:1.6;font-weight:700}
.pn-item.next{text-align:right}

.back-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:44px;padding:20px 24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card)}
.back-bar p{margin:0;font-size:14px;color:var(--c-ink-2)}

/* safety strip */
.safe-strip{background:var(--c-ink);color:rgba(255,255,255,.78);padding:34px 0}
.safe-inner{display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px;justify-content:space-between}
.safe-inner .safe-title{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:17px;letter-spacing:-.01em}
.safe-inner .safe-title .safe-ico{width:34px;height:34px;border-radius:12px;background:rgba(255,158,107,.18);display:grid;place-items:center;color:var(--c-accent);font-size:16px}
.safe-list{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px}
.safe-list span{position:relative;padding-left:16px}
.safe-list span::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo:hover{color:#fff}
.footer-brand .logo-text small{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.01em}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--c-accent);text-decoration:none}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.48)}
.fb-right{display:flex;flex-wrap:wrap;gap:18px}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 22px}
  .article-head h1{font-size:38px}
}
@media (max-width:992px){
  .nav-toggle{display:grid}
  .nav-main{position:fixed;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-hover);padding:14px 22px 22px;max-height:calc(100vh - 72px);overflow:auto;z-index:79}
  .nav-main.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:var(--c-primary-soft)}
  .section{padding:56px 0}
  .article-head h1{font-size:34px}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .side-cta{grid-column:1 / -1}
  .article-cover img{aspect-ratio:16/9}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-body h2{font-size:26px}
  .article-body h3{font-size:19px}
}
@media (max-width:768px){
  .section{padding:44px 0}
  .article-head{padding-top:28px}
  .article-head h1{font-size:28px;line-height:1.3}
  .article-meta{font-size:13px;padding-bottom:26px}
  .article-cover{transform:translateY(22px);border-radius:16px}
  .article-wrap{padding:56px 0 40px}
  .article-side{grid-template-columns:1fr}
  .article-body h2{font-size:23px;padding-left:12px}
  .article-body h3{font-size:18px}
  .article-body{font-size:16px}
  .keypoints{padding:20px}
  .related-grid{grid-template-columns:1fr}
  .prevnext{grid-template-columns:1fr}
  .pn-item.next{text-align:left}
  .author-card{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand p{max-width:none}
  .safe-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav-bar{height:64px}
  .nav-main{top:64px}
  .nav-actions .btn{padding:8px 14px;font-size:13px}
  .article-head h1{font-size:25px}
  .article-cover{transform:translateY(16px)}
  .article-wrap{padding:44px 0 32px}
  .btn{width:100%}
  .keypoints li{font-size:14px}
  .back-bar{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --c-primary:#E8546B;
  --c-primary-hover:#D6405A;
  --c-primary-active:#BE3450;
  --c-primary-soft:#FFE3E4;
  --c-accent:#FF9E6B;
  --c-ink:#221726;
  --c-ink-2:#6B5B66;
  --c-ink-3:#9A8B93;
  --c-bg:#FDF7F4;
  --c-bg-2:#FFF1EA;
  --c-line:#EFE0D8;
  --c-ok:#1F9D7A;
  --radius-card:18px;
  --radius-img:14px;
  --radius-tag:8px;
  --shadow:0 4px 16px rgba(34,23,38,.06);
  --shadow-hover:0 12px 32px rgba(34,23,38,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-hover);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;font-size:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-weight:800;letter-spacing:-.02em;line-height:1.25}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;--bs-gutter-x:0}
:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px;border-radius:6px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(253,247,244,.94);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 6px 24px rgba(34,23,38,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:18px;letter-spacing:-.02em}
.logo:hover{color:var(--c-ink);text-decoration:none}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#E8546B 0%,#FF9E6B 100%);display:grid;place-items:center;box-shadow:0 6px 16px rgba(232,84,107,.3);flex:0 0 auto}
.logo-mark svg{width:21px;height:21px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text small{font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:.06em;margin-top:3px}
.nav-main{display:flex;align-items:center;gap:6px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{display:inline-block;padding:9px 15px;border-radius:999px;font-size:15px;color:var(--c-ink-2);position:relative;transition:background .2s ease,color .2s ease}
.nav-links a:hover{color:var(--c-ink);background:var(--c-primary-soft);text-decoration:none}
.nav-links a.active{color:var(--c-ink);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;padding:0;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);margin:3px auto;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:1px solid transparent;padding:13px 26px;font-size:15px;font-weight:600;letter-spacing:.01em;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(232,84,107,.28)}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(232,84,107,.34)}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:0 4px 12px rgba(232,84,107,.26)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-ink);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-tag);background:var(--c-primary-soft);color:var(--c-primary-active);font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1.6}
.tag-soft{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2)}
.tag-ok{background:rgba(31,157,122,.1);color:var(--c-ok)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--c-ok);flex:0 0 auto}
.badge-dot.warn{background:var(--c-accent)}
/* ---------- sections ---------- */
.section{padding:72px 0}
.section--alt{background:var(--c-bg-2)}
.section--dark{background:var(--c-ink);color:#F7ECEA}
.section-head{max-width:720px;margin-bottom:36px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);margin-bottom:12px}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head p{color:var(--c-ink-2);font-size:16px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
.section--dark .section-head .eyebrow{color:var(--c-accent)}
/* ---------- category head ---------- */
.cat-head{padding:52px 0 40px;background:
  radial-gradient(720px 320px at 92% -20%,rgba(255,158,107,.26),transparent 62%),
  radial-gradient(620px 300px at 2% 0%,rgba(232,84,107,.12),transparent 58%),
  var(--c-bg);
  border-bottom:1px solid var(--c-line)}
.cat-head-inner{max-width:860px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:18px}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-line)}
.crumb .now{color:var(--c-ink);font-weight:600}
.cat-head h1{font-size:44px;line-height:1.22;margin-bottom:16px}
.cat-head h1 em{font-style:normal;color:var(--c-primary)}
.cat-head p{color:var(--c-ink-2);font-size:16px;max-width:720px}
.cat-head p + p{margin-top:8px}
.cat-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}
.cat-meta .badge{background:#fff}
.cat-count{font-size:14px;color:var(--c-ink-2)}
.cat-count b{color:var(--c-primary);font-size:18px;font-weight:800;letter-spacing:-.02em}
/* ---------- filter bar ---------- */
.filter-bar{position:sticky;top:72px;z-index:40;background:rgba(253,247,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.filter-inner{display:flex;flex-direction:column;gap:10px;padding:16px 0}
.filter-row{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
.filter-row::-webkit-scrollbar{display:none}
.filter-label{flex:0 0 auto;font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em;padding-right:4px}
.chip{flex:0 0 auto;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);border-radius:999px;padding:7px 16px;font-size:14px;transition:all .2s ease}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-active);background:var(--c-primary-soft)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(232,84,107,.26)}
/* ---------- circle grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.circle-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.circle-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#E9CFC6}
.circle-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-2)}
.circle-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.circle-card:hover .circle-cover img{transform:scale(1.03)}
.circle-cover .status{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.95);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;color:var(--c-ok);letter-spacing:.02em}
.circle-cover .status.full{color:var(--c-ink-2)}
.circle-body{padding:18px;display:flex;flex-direction:column;flex:1 1 auto;gap:10px}
.circle-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.circle-body h3{font-size:18px;font-weight:700;line-height:1.45}
.circle-city{flex:0 0 auto;font-size:13px;color:var(--c-ink-3);display:inline-flex;align-items:center;gap:4px}
.circle-desc{font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.circle-tags{display:flex;flex-wrap:wrap;gap:6px}
.circle-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-ink-3)}
.circle-foot .join{font-weight:600;color:var(--c-primary)}
.circle-foot .join:hover{color:var(--c-primary-hover)}
/* ---------- topics ---------- */
.topic-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);text-decoration:none}
.topic-num{flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:var(--c-primary-soft);color:var(--c-primary-active);display:grid;place-items:center;font-weight:800;font-size:16px}
.topic-card h3{font-size:16px;color:var(--c-ink);margin-bottom:4px}
.topic-card p{font-size:13px;color:var(--c-ink-2);line-height:1.6}
/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;transition:transform .25s ease,box-shadow .25s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.post-card .cat{font-size:12px;font-weight:600;color:var(--c-primary-active);background:var(--c-primary-soft);border-radius:var(--radius-tag);padding:3px 10px;align-self:flex-start}
.post-card h3{font-size:17px;line-height:1.5}
.post-card h3 a{color:var(--c-ink)}
.post-card h3 a:hover{color:var(--c-primary)}
.post-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);display:flex;justify-content:space-between;font-size:13px;color:var(--c-ink-3)}
.empty-state{grid-column:1/-1;text-align:center;padding:48px 20px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--radius-card);color:var(--c-ink-2);font-size:15px}
.empty-state .ico{width:46px;height:46px;border-radius:14px;background:var(--c-primary-soft);color:var(--c-primary-active);display:grid;place-items:center;margin:0 auto 12px;font-size:20px}
/* ---------- safety strip ---------- */
.safety-strip{background:var(--c-ink);color:#F7ECEA;border-radius:var(--radius-card);padding:30px 32px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center}
.safety-strip .ico{width:52px;height:52px;border-radius:16px;background:rgba(255,158,107,.18);display:grid;place-items:center;flex:0 0 auto}
.safety-strip h3{font-size:20px;color:#fff;margin-bottom:6px}
.safety-strip p{font-size:14px;color:rgba(255,255,255,.74);line-height:1.8}
.safety-strip a{color:var(--c-accent)}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:0 20px;box-shadow:var(--shadow);transition:border-color .2s ease}
.faq-item[open]{border-color:#EBD3CA}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;font-size:16px;font-weight:600;color:var(--c-ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .plus{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-active);display:grid;place-items:center;font-size:18px;line-height:1;transition:transform .28s ease}
.faq-item[open] .plus{transform:rotate(45deg)}
.faq-item .answer{padding:0 0 18px;font-size:15px;color:var(--c-ink-2);line-height:1.8;border-top:1px dashed var(--c-line);margin-top:-2px;padding-top:14px}
/* ---------- cta ---------- */
.cta-band{background:linear-gradient(135deg,#FFF1EA 0%,#FFE3E4 100%);border:1px solid #F4DCD4;border-radius:24px;padding:44px 40px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{color:var(--c-ink-2);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.76);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-text small{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-top:16px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--c-accent);text-decoration:none}
.footer-bottom{display:flex;flex-wrap:wrap;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:rgba(255,255,255,.48)}
.fb-right{display:flex;gap:18px;flex-wrap:wrap}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{max-width:100%}
}
@media (max-width:991px){
  .nav-toggle{display:grid}
  .nav-main{position:fixed;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--c-line);padding:16px 24px 22px;display:none;box-shadow:var(--shadow-hover)}
  .nav-main.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:16px}
  .nav-links a.active::after{display:none}
  .section{padding:56px 0}
  .cat-head h1{font-size:36px}
  .grid-3,.post-grid,.topic-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:34px 28px}
  .safety-strip{grid-template-columns:1fr;padding:26px 24px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:44px 0}
  .section-head h2{font-size:24px}
  .cat-head{padding:38px 0 30px}
  .cat-head h1{font-size:28px}
  .cat-head p{font-size:15px}
  .grid-3,.post-grid,.topic-list{grid-template-columns:1fr}
  .filter-bar{top:64px}
  .nav-bar{height:64px}
  .nav-main{top:64px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .cta-band h2{font-size:22px}
}
@media (max-width:480px){
  .btn{width:100%}
  .nav-actions .btn{width:auto}
  .circle-body{padding:16px}
  .post-card{padding:16px}
  .cat-meta{gap:8px}
  .safety-strip{padding:22px 18px}
}