/* roulang page: index */
:root{
  --brand:#D9542B;
  --brand-deep:#A83A1C;
  --brand-soft:#FDF0E8;
  --ink:#17343B;
  --ink-2:#1F2A2C;
  --muted:#5D6B6E;
  --warm:#F3B23F;
  --bg:#FBF7F2;
  --bg-soft:#F4EDE4;
  --surface:#FFFFFF;
  --line:#E6DDD2;
  --success:#2F7D62;
  --danger:#C0392B;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sh:0 2px 6px rgba(23,52,59,.06);
  --sh-hover:0 12px 28px rgba(23,52,59,.12);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift",var(--font-cn);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.88;
  letter-spacing:.01em;
  color:var(--ink-2);
  background-color:var(--bg);
  background-image:linear-gradient(rgba(23,52,59,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(23,52,59,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:0}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.05em;padding-left:1.2em}
li{line-height:1.8}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container-xl{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
section{scroll-margin-top:88px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  border:1px solid rgba(217,84,43,.18);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.sec{padding:72px 0}
.sec-soft{background:var(--bg-soft)}
.sec-white{background:var(--surface)}
.sec-ink{background:var(--ink);color:rgba(251,247,242,.82)}
.sec-ink h2,.sec-ink h3{color:#FBF7F2}
.sec-head{max-width:820px;margin-bottom:36px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:15px;margin:0}
.sec-ink .sec-head p{color:rgba(251,247,242,.72)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,247,242,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 4px 10px rgba(217,84,43,.28);
}
.brand-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16.5px;color:var(--ink);font-weight:700;letter-spacing:.01em}
.brand-text em{font-size:10.5px;font-style:normal;letter-spacing:.08em;color:var(--muted);margin-top:3px}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:600}
.header-cta{flex-shrink:0}
.header-phone{display:block;font-size:12px;color:var(--muted);text-align:right;letter-spacing:.04em}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;padding:0 20px;height:44px;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .18s ease,border-color .2s ease;
  text-decoration:none;cursor:pointer;
}
.btn:active{transform:translateY(0)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(217,84,43,.26)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(217,84,43,.45)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#0f2529;color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(23,52,59,.24)}
.btn-warm{background:var(--warm);color:var(--ink)}
.btn-warm:hover{background:#e5a532;color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 20px rgba(243,178,63,.3)}
.btn-lg{height:50px;font-size:16px;padding:0 26px}
.btn-sm{height:36px;font-size:14px;padding:0 14px}
.btn-block{width:100%}
.btn[disabled],.btn.disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-deep)}

/* hero */
.hero{position:relative;overflow:hidden;padding:58px 0 66px;background:var(--bg)}
.hero::before{
  content:"";position:absolute;left:-8%;right:-8%;top:-60px;height:560px;
  background:linear-gradient(118deg,#FDF0E8 0%,#FBF7F2 58%,#F7E7D6 100%);
  clip-path:polygon(0 0,100% 0,100% 66%,0 100%);
  z-index:0;
}
.hero::after{
  content:"";position:absolute;right:-70px;top:-40px;width:260px;height:260px;border-radius:50%;
  background:rgba(217,84,43,.10);z-index:0;
}
.hero .container-xl{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.28;margin:18px 0 16px;font-weight:700}
.hero h1 .hl{color:var(--brand)}
.hero-lead{font-size:15.5px;color:var(--ink-2);max-width:640px;margin-bottom:12px;font-weight:500}
.hero-desc{font-size:15px;color:var(--muted);max-width:660px;margin-bottom:26px}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust i{color:var(--success);font-size:15px}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(23,52,59,.14);aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,52,59,0) 45%,rgba(23,52,59,.42) 100%)}
.hero-float{
  position:absolute;right:-6px;bottom:-16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 18px;box-shadow:0 14px 30px rgba(23,52,59,.16);min-width:180px;
}
.hero-float b{font-family:var(--font-num);font-size:30px;color:var(--brand);display:block;line-height:1.1}
.hero-float small{font-size:13px;color:var(--muted);display:block;margin-top:2px}

/* metrics */
.metrics-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.metric-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 18px;
  box-shadow:var(--sh);position:relative;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(217,84,43,.35)}
.metric-card .tag{font-size:12px;color:var(--muted);letter-spacing:.04em}
.metric-card .num{font-family:var(--font-num);font-size:34px;color:var(--brand);line-height:1.15;margin:8px 0 2px;font-weight:700}
.metric-card .num.ink{color:var(--ink)}
.metric-card .unit{font-size:14px;color:var(--muted);font-weight:500;margin-left:3px}
.metric-card .note{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.metric-card .dot{
  position:absolute;right:14px;top:14px;width:22px;height:22px;border-radius:8px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:12px;
}
.metrics-foot{font-size:12.5px;color:var(--muted);margin-top:16px}

/* mosaic */
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.m-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  box-shadow:var(--sh);position:relative;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;color:var(--ink-2);
}
.m-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(217,84,43,.35);color:var(--ink-2)}
.m-card .no{font-family:var(--font-num);font-size:42px;color:rgba(217,84,43,.16);line-height:1;font-weight:700;margin-bottom:8px}
.m-card h3{font-size:19px;margin:10px 0 8px}
.m-card p{font-size:14px;color:var(--muted);margin:0 0 14px}
.m-card .ico{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.m-card .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.m-card .arrow{position:absolute;right:20px;bottom:18px;color:var(--brand);font-size:18px;opacity:.7}
.m-card:hover .arrow{opacity:1;transform:translateX(2px)}
.m-7{grid-column:span 7;flex-direction:row;gap:22px;padding:0}
.m-7 .m7-img{width:46%;flex-shrink:0;overflow:hidden;border-radius:var(--r-md) 0 0 var(--r-md)}
.m-7 .m7-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.m-7:hover .m7-img img{transform:scale(1.03)}
.m-7 .m7-body{padding:24px 22px 24px 0;display:flex;flex-direction:column;flex:1}
.m-5{grid-column:span 5}
.m-4{grid-column:span 4}
.m-12{grid-column:span 12;flex-direction:row;align-items:center;gap:20px}
.m-12 p{margin:0 0 8px}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:500;border:1px solid rgba(217,84,43,.14);
}
.badge-pill.grey{background:#F3F1EE;color:var(--muted);border-color:var(--line)}
.badge-pill.warmbadge{background:rgba(243,178,63,.18);color:#8a5c04;border-color:rgba(243,178,63,.4)}

/* timeline flow */
.flow{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:8px}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:22px;border-top:1px dashed rgba(217,84,43,.28);
}
.flow-step{position:relative;background:transparent;padding-top:0;text-align:left}
.flow-dot{
  width:44px;height:44px;border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:16px;font-weight:700;
  position:relative;z-index:1;margin-bottom:14px;
}
.flow-step h3{font-size:16.5px;margin-bottom:6px}
.flow-step p{font-size:13.5px;color:var(--muted);margin:0 0 10px}
.flow-time{font-size:12px;color:var(--brand-deep);background:var(--brand-soft);padding:2px 9px;border-radius:999px;display:inline-block}

/* compare */
.compare{display:grid;grid-template-columns:1fr 64px 1fr;gap:0;align-items:stretch}
.cmp-col{border-radius:var(--r-md);padding:24px;border:1px solid var(--line)}
.cmp-left{background:#F4F4F2}
.cmp-right{background:var(--brand-soft);border-color:rgba(217,84,43,.4);box-shadow:0 10px 26px rgba(217,84,43,.12)}
.cmp-col h3{font-size:17px;margin-bottom:16px}
.cmp-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;padding:10px 0;border-bottom:1px dashed rgba(23,52,59,.1)}
.cmp-row:last-child{border-bottom:0}
.cmp-row i{font-size:15px;margin-top:3px;flex-shrink:0}
.cmp-left i{color:#9AA3A5}
.cmp-right i{color:var(--success)}
.cmp-mid{display:flex;align-items:center;justify-content:center}
.cmp-vs{
  width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.05em;box-shadow:0 8px 18px rgba(23,52,59,.22);
}
.cmp-note{font-size:12px;color:var(--muted);margin-top:14px}
.cmp-foot{font-size:12px;color:var(--muted);margin-top:14px;text-align:center}

/* coverage */
.cover-tags{display:flex;flex-wrap:wrap;gap:12px}
.cover-tag{
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;color:var(--ink-2);
  display:inline-flex;align-items:center;gap:7px;transition:all .2s ease;
}
.cover-tag:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(217,84,43,.4);transform:translateY(-1px)}
.cover-tag i{color:var(--brand);font-size:14px}
.cover-side{display:flex;flex-direction:column;gap:16px}
.cover-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--sh)}
.cover-card h4{font-size:15.5px;margin-bottom:6px}
.cover-card p{font-size:13.5px;color:var(--muted);margin:0}

/* milestone */
.ms-timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.ms-timeline::before{content:"";position:absolute;left:4%;right:4%;top:7px;height:1px;background:rgba(255,255,255,.2)}
.ms-node{position:relative;padding-top:30px}
.ms-node::before{
  content:"";position:absolute;top:0;left:0;width:14px;height:14px;border-radius:50%;background:var(--warm);
  box-shadow:0 0 0 4px rgba(243,178,63,.2);
}
.ms-node .yr{font-family:var(--font-num);font-size:20px;color:var(--warm);font-weight:700;line-height:1.2}
.ms-node h4{font-size:15.5px;color:#FBF7F2;margin:6px 0 6px}
.ms-node p{font-size:13px;color:rgba(251,247,242,.72);margin:0}
.ms-foot{font-size:12px;color:rgba(251,247,242,.55);margin-top:26px}

/* cms list */
.cms-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(217,84,43,.35);background:#FFFDFB}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:17px;line-height:1.5;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a{color:var(--ink)}
.post-body h3 a:hover{color:var(--brand)}
.post-excerpt{font-size:13.5px;color:var(--muted);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.cms-empty{
  border:1px dashed var(--line);border-radius:var(--r-md);background:#fff;padding:48px 24px;text-align:center;color:var(--muted);
}
.cms-empty i{font-size:32px;color:var(--brand);display:block;margin-bottom:12px}
.cms-empty p{font-size:14px;margin-bottom:16px}

/* topics */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;display:flex;gap:16px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;color:var(--ink-2);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(217,84,43,.35);color:var(--ink-2)}
.topic-no{font-family:var(--font-num);font-size:30px;font-weight:700;color:rgba(217,84,43,.28);line-height:1;flex-shrink:0}
.topic-card h3{font-size:17px;margin:8px 0 6px}
.topic-card p{font-size:13.5px;color:var(--muted);margin:0 0 10px}

/* guarantees */
.g-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.g-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease;
}
.g-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.g-ico{
  width:40px;height:40px;border-radius:12px;background:rgba(243,178,63,.18);color:#8a5c04;
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:12px;
}
.g-card h4{font-size:16px;margin-bottom:6px}
.g-card p{font-size:13px;color:var(--muted);margin:0}

/* quick answers */
.qa-list{display:flex;flex-direction:column;gap:16px}
.qa-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh)}
.qa-item h4{font-size:15.5px;margin-bottom:6px}
.qa-item p{font-size:14px;color:var(--muted);margin:0}
.cta-ink-card{background:var(--ink);border-radius:var(--r-md);padding:26px;height:100%;display:flex;flex-direction:column;justify-content:center}
.cta-ink-card h3{color:#FBF7F2;font-size:19px;margin-bottom:10px}
.cta-ink-card p{color:rgba(251,247,242,.72);font-size:13.5px;margin-bottom:18px}
.cta-ink-card .small-note{font-size:12px;color:rgba(251,247,242,.55);margin:14px 0 0}

/* accordion */
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:12px;background:#fff;box-shadow:var(--sh);
}
.faq-acc .accordion-button{
  font-size:15.5px;font-weight:600;color:var(--ink);background:#fff;padding:16px 20px;box-shadow:none;
  border-left:4px solid transparent;transition:all .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--brand)}
.faq-acc .accordion-button:hover{border-left-color:var(--brand);color:var(--brand-deep)}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:var(--line);border-left-color:var(--brand)}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;font-size:22px;line-height:1;color:var(--brand);width:auto;height:auto;
  font-weight:400;transform:none;display:flex;align-items:center;justify-content:center;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:none}
.faq-acc .accordion-body{font-size:14px;line-height:1.85;color:var(--muted);padding:4px 20px 18px}
.help-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh);position:sticky;top:96px}
.help-card h3{font-size:17px;margin-bottom:8px}
.help-card p{font-size:13.5px;color:var(--muted);margin-bottom:16px}

/* reviews */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh);display:flex;flex-direction:column}
.rev-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.rev-avatar{
  width:44px;height:44px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0;
}
.rev-name{font-size:15px;font-weight:600;color:var(--ink);line-height:1.3}
.rev-city{font-size:12.5px;color:var(--muted)}
.rev-text{font-size:14px;color:var(--ink-2);margin:0 0 16px}
.rev-foot{margin-top:auto;font-size:12px;color:var(--muted)}

/* form */
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.form-left h2{color:#FBF7F2;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.form-left p{color:rgba(251,247,242,.76);font-size:14.5px;max-width:460px}
.time-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.time-pill{
  font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid rgba(251,247,242,.28);
  color:rgba(251,247,242,.82);background:rgba(255,255,255,.06);
}
.form-card{background:#fff;border-radius:var(--r-lg);padding:26px;box-shadow:0 20px 40px rgba(0,0,0,.18)}
.form-card h3{font-size:18px;margin-bottom:4px}
.form-card .sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.form-label{font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px;display:block}
.form-control,.form-select{
  height:46px;border-radius:var(--r-sm);border:1px solid var(--line);font-size:14.5px;color:var(--ink-2);
  padding:0 14px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,84,43,.14);outline:none}
.form-control::placeholder{color:#A6AFB0}
.form-err{font-size:13px;color:var(--danger);margin-top:4px;display:none}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand)}
.form-check-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,84,43,.14)}
.form-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7}

/* keywords */
.kw-cloud{display:flex;flex-wrap:wrap;gap:10px}
.kw-pill{
  font-size:13px;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted);
  transition:all .2s ease;
}
.kw-pill:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(217,84,43,.4);transform:translateY(-1px)}
.kw-note{font-size:12px;color:var(--muted);margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}

/* footer */
.site-footer{background:var(--ink);color:rgba(251,247,242,.76);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:36px;padding-bottom:36px}
.footer-brand .brand-mark{background:var(--brand)}
.footer-brand .brand-text strong{color:#FBF7F2}
.footer-brand .brand-text em{color:rgba(251,247,242,.5)}
.footer-brand p{font-size:13.5px;color:rgba(251,247,242,.66);margin:16px 0 18px;max-width:320px}
.footer-col h4{font-size:14.5px;color:#FBF7F2;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer-col a{font-size:13.5px;color:rgba(251,247,242,.7)}
.footer-col a:hover{color:var(--warm)}
.footer-col li{font-size:13.5px;color:rgba(251,247,242,.7);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(251,247,242,.14);padding:18px 0 26px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(251,247,242,.5);
}
.footer-bottom a{color:rgba(251,247,242,.6)}
.footer-bottom a:hover{color:var(--warm)}

/* mobile tab */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 18px rgba(23,52,59,.08);
}
.mobile-tab ul{display:flex;list-style:none;margin:0;padding:0}
.mobile-tab li{flex:1}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:60px;font-size:10.5px;color:var(--muted);letter-spacing:.02em;
}
.mobile-tab a i{font-size:19px;line-height:1}
.mobile-tab a.active{color:var(--brand)}
.mobile-tab a.active::before{content:"";position:absolute;top:0;left:20%;right:20%;height:2px;background:var(--brand);border-radius:2px}

@media (max-width:1199.98px){
  .container-xl{max-width:960px}
}
@media (max-width:991.98px){
  .container-xl{max-width:720px;padding-left:20px;padding-right:20px}
  .main-nav{display:none}
  .header-inner{justify-content:space-between}
  .header-phone{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero::before{clip-path:polygon(0 0,100% 0,100% 82%,0 100%);height:600px}
  .hero-figure{aspect-ratio:16/10}
  .hero-float{right:8px;bottom:-14px}
  .metrics-grid{grid-template-columns:repeat(3,1fr)}
  .metrics-grid .metric-card:last-child{grid-column:span 2}
  .m-7{grid-column:span 12;flex-direction:column}
  .m-7 .m7-img{width:100%;border-radius:var(--r-md) var(--r-md) 0 0;aspect-ratio:16/9}
  .m-7 .m7-body{padding:20px}
  .m-5,.m-4{grid-column:span 6}
  .m-12{grid-column:span 12;flex-direction:column;align-items:flex-start}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .compare{grid-template-columns:1fr;gap:14px}
  .cmp-mid{justify-content:flex-start;padding-left:4px}
  .ms-timeline{grid-template-columns:repeat(2,1fr);gap:24px}
  .ms-timeline::before{display:none}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:1fr}
  .g-grid{grid-template-columns:repeat(2,1fr)}
  .rev-grid{grid-template-columns:repeat(3,1fr)}
  .form-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .help-card{position:static}
  .mobile-tab{display:block}
  body{padding-bottom:76px}
  .site-footer{padding-bottom:0;margin-bottom:0}
  .footer-bottom{padding-bottom:86px}
  .sec{padding:56px 0}
}
@media (max-width:767.98px){
  .container-xl{max-width:100%;padding-left:16px;padding-right:16px}
  .sec{padding:44px 0}
  .hero{padding:40px 0 50px}
  .hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-desc{font-size:14.5px}
  .brand-text strong{font-size:15.5px}
  .brand-text em{font-size:10px}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .metrics-grid .metric-card:last-child{grid-column:span 2}
  .m-5,.m-4{grid-column:span 12}
  .flow{grid-template-columns:1fr;gap:22px}
  .flow-step{display:flex;gap:14px;align-items:flex-start;border-left:1px dashed rgba(217,84,43,.3);padding-left:0}
  .flow-dot{margin-bottom:0;flex-shrink:0;transform:translateX(-22px)}
  .flow-step-body{padding-left:0}
  .cms-grid{grid-template-columns:1fr}
  .post-excerpt{-webkit-line-clamp:2}
  .rev-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:8px;scrollbar-width:none}
  .rev-grid::-webkit-scrollbar{display:none}
  .rev-card{min-width:82%;scroll-snap-align:start}
  .g-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .ms-timeline{grid-template-columns:1fr}
  .cmp-col{padding:18px}
  .form-card{padding:20px}
  .hero-float{position:static;margin-top:14px;display:inline-block}
  .cover-side{flex-direction:column}
  .sec-head{margin-bottom:26px}
  .faq-acc .accordion-button{font-size:14.5px;padding:14px 16px}
}

/* 首页分区块间距微调 */
#phone-service,#fastfood-info,#topics,#contact{margin:0}

/* 斜切首屏装饰格 */
.hero-grid > .hero-copy{position:relative;z-index:2}

/* roulang page: category1 */
:root{
  --brand:#D9542B;
  --brand-deep:#A83A1C;
  --brand-soft:#FDF0E8;
  --ink:#17343B;
  --ink-2:#1F2A2C;
  --muted:#5D6B6E;
  --warm:#F3B23F;
  --bg:#FBF7F2;
  --bg-soft:#F4EDE4;
  --surface:#FFFFFF;
  --line:#E6DDD2;
  --success:#2F7D62;
  --danger:#C0392B;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sh:0 2px 6px rgba(23,52,59,.06);
  --sh-hover:0 12px 28px rgba(23,52,59,.12);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift",var(--font-cn);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.88;
  letter-spacing:.01em;
  color:var(--ink-2);
  background-color:var(--bg);
  background-image:linear-gradient(rgba(23,52,59,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(23,52,59,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.05em}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container-xl{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
section{scroll-margin-top:88px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:var(--r-sm);z-index:2000}
.skip:focus{left:16px;top:16px}

/* header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,247,242,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 4px 10px rgba(217,84,43,.28);
}
.brand-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16.5px;color:var(--ink);font-weight:700}
.brand-text em{font-size:10.5px;font-style:normal;letter-spacing:.08em;color:var(--muted);margin-top:3px}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;font-weight:500}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:600}
.header-cta{flex-shrink:0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;padding:0 20px;height:44px;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .18s ease,border-color .2s ease;
  text-decoration:none;cursor:pointer}
.btn:active{transform:translateY(0)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(217,84,43,.26)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(217,84,43,.45)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#0f2529;color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(23,52,59,.24)}
.btn-warm{background:var(--warm);color:var(--ink)}
.btn-warm:hover{background:#e5a532;color:var(--ink);transform:translateY(-1px)}
.btn-lg{height:50px;font-size:16px;padding:0 26px}
.btn-sm{height:36px;font-size:14px;padding:0 14px}
.btn-block{width:100%}
.btn.disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* category hero */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(112deg,#FDF0E8 0%,#FBF7F2 56%,#F6E7D8 100%);
  border-bottom:1px solid var(--line);
  padding:26px 0 34px;
}
.cat-hero::after{content:"";position:absolute;right:-80px;top:-70px;width:240px;height:240px;border-radius:50%;background:rgba(217,84,43,.09)}
.cat-hero .container-xl{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;margin-bottom:16px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.6}
.crumbs .current{color:var(--ink)}
.cat-hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:center}
.cat-hero h1{font-size:clamp(24px,3.1vw,34px);line-height:1.35;margin:12px 0 14px}
.cat-hero h1 .hl{color:var(--brand)}
.cat-lead{font-size:15px;color:var(--ink-2);max-width:720px;margin-bottom:18px}
.cat-stats{display:flex;gap:14px;flex-wrap:wrap}
.cat-stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:10px 16px;box-shadow:var(--sh);min-width:132px;
}
.cat-stat b{display:block;font-family:var(--font-num);font-size:22px;color:var(--brand);line-height:1.2}
.cat-stat span{font-size:12.5px;color:var(--muted)}
.cat-hero-figure{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 14px 30px rgba(23,52,59,.13);aspect-ratio:16/11;background:var(--bg-soft);
}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand-deep);
  border:1px solid rgba(217,84,43,.18);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.04em}

/* filter bar */
.filter-section{padding:22px 0;background:var(--surface);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.filter-pills{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:2px}
.filter-pills::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:13.5px;padding:8px 16px;border-radius:999px;cursor:pointer;line-height:1;
  transition:all .2s ease;white-space:nowrap;font-weight:500;
}
.pill:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(217,84,43,.35)}
.pill.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 14px rgba(217,84,43,.22)}
.filter-sort{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.filter-sort select{
  height:38px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink-2);
  padding:0 12px;font-size:13.5px;min-width:118px;
}
.filter-sort select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,84,43,.16);outline:none}

/* list area */
.list-section{padding:56px 0 64px;background:var(--bg)}
.list-layout{display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:start}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-size:clamp(21px,2.4vw,27px);line-height:1.4}
.section-head .sub{font-size:13.5px;color:var(--muted);margin-top:6px}
.post-list{display:flex;flex-direction:column;gap:18px}
.post-card{
  display:grid;grid-template-columns:150px 1fr;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.post-card:hover,.post-card:focus-within{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(217,84,43,.35);background:#FFFDFB}
.post-thumb{
  border-radius:var(--r-sm);background:var(--brand-soft);border:1px solid rgba(217,84,43,.16);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:112px;
}
.post-thumb .num{font-family:var(--font-num);font-size:26px;color:var(--brand);line-height:1}
.post-thumb i{font-size:20px;color:var(--brand-deep);opacity:.8}
.post-thumb small{font-size:11px;color:var(--muted);letter-spacing:.06em}
.post-body{min-width:0}
.post-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.tag{display:inline-block;font-size:12px;line-height:1;padding:5px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(217,84,43,.16)}
.tag.gray{background:var(--bg-soft);color:var(--muted);border-color:var(--line)}
.post-title{font-size:17.5px;line-height:1.55;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a{color:var(--ink)}
.post-title a:hover{color:var(--brand)}
.post-desc{font-size:13.8px;color:var(--muted);line-height:1.75;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.post-meta .go{margin-left:auto;color:var(--brand);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:5px}
.list-more{display:flex;justify-content:center;margin-top:26px}
.empty-box{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:38px 20px;text-align:center;color:var(--muted);font-size:14px;
}
.empty-box i{font-size:28px;color:var(--brand);display:block;margin-bottom:10px}
.empty-box .btn{margin-top:16px}

/* sidebar */
.side-col{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh)}
.side-card h3{font-size:16px;margin-bottom:10px}
.side-card p{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.side-card.phone{background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.82)}
.side-card.phone h3{color:#fff}
.side-card.phone p{color:rgba(255,255,255,.72)}
.side-card.phone .btn{margin-top:6px}
.hot-list li{border-bottom:1px dashed var(--line);padding:10px 0;font-size:13.8px;line-height:1.7}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list li a{color:var(--ink-2)}
.hot-list li a:hover{color:var(--brand)}
.hot-list .idx{font-family:var(--font-num);color:var(--brand);margin-right:6px}
.side-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:8px}

/* guide */
.guide-section{padding:64px 0;background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.guide-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;position:relative;overflow:hidden}
.guide-card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--brand);border-radius:0 3px 3px 0;opacity:.85}
.guide-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(217,84,43,.35)}
.guide-card .no{font-family:var(--font-num);font-size:30px;color:rgba(217,84,43,.3);line-height:1;margin-bottom:8px}
.guide-card h3{font-size:17px;margin-bottom:8px}
.guide-card p{font-size:13.8px;color:var(--muted);margin:0}

/* topics */
.topic-section{padding:60px 0;background:var(--surface)}
.topic-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh)}
.topic-row{
  display:grid;grid-template-columns:44px 1fr auto 22px;align-items:center;gap:14px;
  padding:16px 20px;border-bottom:1px solid var(--line);transition:background .2s ease;
}
.topic-row:last-child{border-bottom:0}
.topic-row .no{font-family:var(--font-num);font-size:17px;color:var(--brand);opacity:.85}
.topic-row .tt{font-size:15.5px;color:var(--ink-2);line-height:1.6}
.topic-row .dt{font-size:12.5px;color:var(--muted);white-space:nowrap}
.topic-row i{color:var(--muted);font-size:14px}
a.topic-row:hover{background:#FFFDFB}
a.topic-row:hover .tt{color:var(--brand)}
a.topic-row:hover i{color:var(--brand);transform:translateX(2px)}
.topic-row i{transition:transform .2s ease,color .2s ease}

/* faq */
.faq-section{padding:64px 0;background:var(--bg)}
.faq-narrow{max-width:860px;margin:0 auto}
.accordion.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh);
}
.accordion.faq-acc .accordion-item:last-child{margin-bottom:0}
.accordion.faq-acc .accordion-button{
  background:#fff;color:var(--ink);font-size:15.5px;font-weight:600;line-height:1.6;
  padding:16px 18px;border:0;box-shadow:none;border-left:4px solid transparent;transition:all .2s ease;
}
.accordion.faq-acc .accordion-button:not(.collapsed){color:var(--brand-deep);background:var(--brand-soft);border-left-color:var(--brand)}
.accordion.faq-acc .accordion-button:hover{border-left-color:var(--brand);background:#FFFDFB}
.accordion.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(217,84,43,.16);z-index:2}
.accordion.faq-acc .accordion-button::after{width:14px;height:14px;background-size:14px;filter:invert(37%) sepia(58%) saturate(1200%) hue-rotate(340deg)}
.accordion.faq-acc .accordion-body{font-size:14px;line-height:1.85;color:var(--muted);padding:4px 20px 18px;border-left:4px solid transparent}

/* category entries */
.entry-section{padding:60px 0;background:var(--bg-soft);border-top:1px solid var(--line)}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.entry-item{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 16px;box-shadow:var(--sh);transition:all .2s ease;
}
.entry-item:hover{transform:translateY(-2px);border-color:rgba(217,84,43,.4);box-shadow:var(--sh-hover);background:#FFFDFB}
.entry-item .ic{width:34px;height:34px;border-radius:9px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.entry-item .tt{font-size:14.5px;color:var(--ink);font-weight:600;line-height:1.4}
.entry-item .cn{font-size:12px;color:var(--muted);display:block;margin-top:2px;font-weight:400}
.entry-item .ar{margin-left:auto;color:var(--muted);font-size:14px}
.entry-item:hover .ar{color:var(--brand)}

/* cta strip */
.cta-strip{background:var(--ink);color:#fff;padding:48px 0}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.cta-strip h2{color:#fff;font-size:clamp(21px,2.5vw,28px);line-height:1.4;margin-bottom:10px}
.cta-strip p{color:rgba(255,255,255,.75);font-size:14.2px;margin-bottom:16px}
.cta-phone{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-num);font-size:22px;color:var(--warm);font-weight:700}
.cta-phone:hover{color:#fff}
.cta-form-card{background:#fff;border-radius:var(--r-md);padding:20px;border:1px solid var(--line)}
.cta-form-card h3{font-size:15.5px;color:var(--ink);margin-bottom:12px}
.form-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.cta-form-card label{font-size:12.5px;color:var(--muted);display:block;margin-bottom:5px}
.cta-form-card input{
  width:100%;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 12px;
  font-size:14px;color:var(--ink-2);background:#fff;transition:all .2s ease;
}
.cta-form-card input::placeholder{color:#a9b0b1}
.cta-form-card input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,84,43,.16)}
.form-tip{font-size:12px;color:var(--muted);margin:8px 0 0}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;padding-bottom:34px}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.68);margin:14px 0 16px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.footer-col ul li{font-size:13.5px;line-height:1.8;margin-bottom:9px;color:rgba(255,255,255,.68)}
.footer-col ul li a{color:rgba(255,255,255,.68)}
.footer-col ul li a:hover{color:var(--warm)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:16px 0 22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--warm)}

/* mobile tab */
.mobile-tab{display:none}
@media (max-width:991.98px){
  body{padding-bottom:78px}
  .main-nav{display:none}
  .header-inner{min-height:64px;gap:12px}
  .header-cta{margin-left:auto}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:9.5px}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    background:#fff;border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -4px 16px rgba(23,52,59,.08);
  }
  .mobile-tab a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    height:60px;font-size:10.5px;color:var(--muted);position:relative;
  }
  .mobile-tab a i{font-size:19px;line-height:1}
  .mobile-tab a.active{color:var(--brand);font-weight:600}
  .mobile-tab a.active::before{content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--brand);border-radius:0 0 2px 2px}
  .cat-hero-grid{grid-template-columns:1fr;gap:20px}
  .cat-hero-figure{aspect-ratio:16/8}
  .list-layout{grid-template-columns:1fr;gap:24px}
  .side-col{position:static}
  .guide-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
}
@media (max-width:767.98px){
  .container-xl{padding-left:20px;padding-right:20px}
  .list-section{padding:40px 0 46px}
  .guide-section,.faq-section,.topic-section,.entry-section{padding:44px 0}
  .post-card{grid-template-columns:1fr;padding:14px}
  .post-thumb{flex-direction:row;min-height:64px;gap:10px;justify-content:flex-start;padding:0 14px}
  .post-thumb .num{font-size:20px}
  .filter-sort{margin-left:0;width:100%}
  .filter-sort select{flex:1}
  .topic-row{grid-template-columns:34px 1fr 18px;padding:14px 16px}
  .topic-row .dt{display:none}
  .form-row{grid-template-columns:1fr}
}
@media (max-width:575.98px){
  .cat-hero{padding:18px 0 26px}
  .cat-stats{gap:10px}
  .cat-stat{flex:1 1 45%;min-width:0;padding:9px 12px}
  .cat-stat b{font-size:19px}
  .entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-strip{padding:38px 0}
  .brand-text strong{font-size:13.5px}
  .header-cta .btn{padding:0 12px;font-size:13px}
}

/* roulang page: article */
:root{
  --brand:#D9542B;
  --brand-deep:#A83A1C;
  --brand-soft:#FDF0E8;
  --ink:#17343B;
  --ink-2:#1F2A2C;
  --muted:#5D6B6E;
  --warm:#F3B23F;
  --bg:#FBF7F2;
  --bg-soft:#F4EDE4;
  --surface:#FFFFFF;
  --line:#E6DDD2;
  --success:#2F7D62;
  --danger:#C0392B;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sh:0 2px 6px rgba(23,52,59,.06);
  --sh-hover:0 12px 28px rgba(23,52,59,.12);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.88;
  letter-spacing:.01em;
  color:var(--ink-2);
  background-color:var(--bg);
  background-image:linear-gradient(rgba(23,52,59,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(23,52,59,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container-xl{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
section{scroll-margin-top:88px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,247,242,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 4px 10px rgba(217,84,43,.28);
}
.brand-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16.5px;color:var(--ink);font-weight:700;letter-spacing:.01em}
.brand-text em{font-size:10.5px;font-style:normal;letter-spacing:.08em;color:var(--muted);margin-top:3px}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;font-weight:500}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:600}
.header-cta{flex-shrink:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;padding:0 20px;height:44px;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .18s ease,border-color .2s ease;
  text-decoration:none;cursor:pointer;
}
.btn:active{transform:translateY(0)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(217,84,43,.26)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(217,84,43,.45)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#0f2529;color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(23,52,59,.24)}
.btn-warm{background:var(--warm);color:var(--ink)}
.btn-warm:hover{background:#e5a532;color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 20px rgba(243,178,63,.3)}
.btn-lg{height:50px;font-size:16px;padding:0 26px}
.btn-sm{height:36px;font-size:14px;padding:0 14px}
.btn-block{width:100%}
.btn[disabled],.btn.disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- article head ---------- */
.article-head{
  background:linear-gradient(180deg,#FDF0E8 0%,#FBF7F2 100%);
  border-bottom:1px solid var(--line);
  padding:34px 0 38px;
}
.crumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.crumb-nav a{color:var(--muted)}
.crumb-nav a:hover{color:var(--brand)}
.crumb-nav .sep{color:#C9BFB3}
.crumb-nav .current{color:var(--ink-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}
.article-head-inner{max-width:880px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--brand-deep);border:1px solid rgba(217,84,43,.28);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;padding:5px 13px;border-radius:999px;
}
.article-head h1{
  font-size:clamp(26px,3.4vw,36px);line-height:1.38;margin:16px 0 14px;letter-spacing:.01em;
}
.article-lead{font-size:15.5px;color:var(--ink-2);max-width:780px;margin:0 0 18px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:16px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--brand);font-size:14px}

/* ---------- read layout ---------- */
.read-section{padding:56px 0 60px;background:var(--bg)}
.read-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.read-main{min-width:0}
.prose{max-width:780px;font-size:16px;line-height:1.9;letter-spacing:.01em;color:var(--ink-2)}
.prose h2{
  font-size:clamp(21px,2.4vw,27px);line-height:1.5;margin:1.8em 0 .7em;
  padding-left:12px;border-left:4px solid var(--brand);
}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;line-height:1.55;margin:1.4em 0 .55em}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{padding-left:1.35em;margin:0 0 1.15em;line-height:1.8}
.prose li{margin-bottom:.42em}
.prose img{border-radius:12px;width:100%;object-fit:cover;margin:1.4em 0 .5em}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:.5em}
.prose blockquote{
  margin:1.6em 0;background:var(--brand-soft);border-left:3px solid var(--brand);
  padding:16px 20px;border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{
  display:block;overflow-x:auto;width:100%;border-collapse:collapse;
  font-size:14.5px;margin:1.5em 0;min-width:100%;
}
.prose th{background:var(--bg-soft);color:var(--ink);font-weight:600;text-align:left}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;white-space:nowrap}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--brand-deep)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.empty-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:48px 28px;text-align:center;box-shadow:var(--sh);
}
.empty-block i{font-size:38px;color:var(--brand);display:block;margin-bottom:12px}
.empty-block h2{font-size:20px;margin-bottom:8px}
.empty-block p{color:var(--muted);font-size:14.5px;margin-bottom:20px}

/* ---------- side ---------- */
.read-side{position:relative}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:18px 18px 16px;box-shadow:var(--sh);position:sticky;top:88px;
}
.toc-card h2{font-size:15px;display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:10px}
.toc-card h2 i{color:var(--brand)}
.toc-list{display:flex;flex-direction:column;max-height:340px;overflow:auto}
.toc-list a{
  font-size:14px;line-height:1.6;color:var(--muted);padding:7px 10px;
  border-left:2px solid transparent;border-radius:0 6px 6px 0;transition:all .18s ease;
}
.toc-list a.toc-h3{padding-left:24px;font-size:13px}
.toc-list a:hover{color:var(--brand);background:var(--brand-soft)}
.toc-list a.active{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);font-weight:600}
.toc-phone{
  margin-top:14px;background:var(--ink);border-radius:var(--r-md);padding:16px 16px 18px;color:#fff;
  position:sticky;top:calc(88px + 300px);
}
.toc-phone h3{color:#fff;font-size:15px;margin-bottom:6px}
.toc-phone p{font-size:12.5px;line-height:1.75;color:rgba(255,255,255,.72);margin:0 0 12px}
.toc-phone .btn-warm{width:100%;font-size:15px}

/* mobile toc */
.mobile-toc{display:none}

/* ---------- verify ---------- */
.verify-section{padding:0 0 56px;background:var(--bg)}
.verify-card{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--r-md);padding:26px 28px;box-shadow:var(--sh);
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;
}
.verify-card h2{font-size:19px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.verify-card h2 i{color:var(--brand)}
.verify-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.verify-list li{font-size:14.5px;color:var(--muted);display:flex;gap:9px;line-height:1.75}
.verify-list li i{color:var(--success);font-size:15px;margin-top:4px;flex-shrink:0}
.verify-card .btn{flex-shrink:0}

/* ---------- related ---------- */
.related-section{padding:60px 0;background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:32px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--brand-deep);
  border:1px solid rgba(217,84,43,.2);padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.05em;margin-bottom:12px;
}
.section-head h2{font-size:clamp(21px,2.4vw,28px);line-height:1.45}
.section-head p{font-size:14.5px;color:var(--muted);margin:10px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(217,84,43,.35)}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.related-body .tag{
  align-self:flex-start;font-size:11.5px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:999px;padding:3px 10px;letter-spacing:.04em;
}
.related-body h3{font-size:16px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body h3 a{color:var(--ink)}
.related-body h3 a:hover{color:var(--brand)}
.related-body time{font-size:12.5px;color:var(--muted);margin-top:auto}

/* ---------- prev next ---------- */
.pn-section{padding:48px 0 56px;background:var(--bg)}
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.pn-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;
  display:flex;flex-direction:column;gap:8px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(217,84,43,.35);background:#FFFDFB}
.pn-card .dir{font-size:12.5px;color:var(--brand);font-weight:600;letter-spacing:.05em;display:flex;align-items:center;gap:6px}
.pn-card h3{font-size:16px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pn-card h3 a{color:var(--ink)}
.pn-card h3 a:hover{color:var(--brand)}
.pn-back{text-align:center;margin-top:26px;font-size:14px;color:var(--muted)}
.pn-back a{color:var(--brand);font-weight:600}

/* ---------- cta strip ---------- */
.cta-strip{background:var(--brand-soft);border-top:1px solid rgba(217,84,43,.18);border-bottom:1px solid rgba(217,84,43,.18);padding:44px 0}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center}
.cta-inner h2{font-size:clamp(20px,2.3vw,26px);line-height:1.45;margin-bottom:8px}
.cta-inner p{font-size:14.5px;color:var(--muted);margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- faq ---------- */
.faq-section{padding:60px 0;background:var(--bg)}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:12px;
  overflow:hidden;box-shadow:var(--sh);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(217,84,43,.35);box-shadow:var(--sh-hover)}
.faq-accordion .accordion-button{
  background:#fff;color:var(--ink);font-size:15.5px;font-weight:600;line-height:1.6;
  padding:17px 52px 17px 20px;box-shadow:none;border:0;
}
.faq-accordion .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-deep)}
.faq-accordion .accordion-button:focus{box-shadow:inset 0 0 0 2px rgba(217,84,43,.35);border:0}
.faq-accordion .accordion-button::after{
  content:"+";font-family:var(--font-num);font-size:20px;color:var(--brand);
  background-image:none;width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  position:absolute;right:16px;top:50%;transform:translateY(-50%);transition:transform .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"–";transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-body{font-size:14.5px;line-height:1.85;color:var(--muted);padding:6px 20px 18px}

/* ---------- terms ---------- */
.terms-section{padding:48px 0 54px;background:var(--bg-soft);border-top:1px solid var(--line)}
.term-pills{display:flex;flex-wrap:wrap;gap:10px}
.term-pills a{
  font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:7px 15px;transition:all .18s ease;
}
.term-pills a:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(217,84,43,.4);transform:translateY(-1px)}
.terms-note{font-size:12px;color:var(--muted);margin:18px 0 0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(251,247,242,.78);padding:56px 0 0;margin-top:0}
.site-footer .brand-text strong{color:#FBF7F2}
.site-footer .brand-text em{color:rgba(251,247,242,.6)}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1.1fr;gap:36px;padding-bottom:38px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(251,247,242,.68);margin:16px 0 18px;max-width:320px}
.footer-col h4{color:#FBF7F2;font-size:15px;margin-bottom:14px;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-col li{font-size:13.5px;line-height:1.75;color:rgba(251,247,242,.68)}
.footer-col a{color:rgba(251,247,242,.72)}
.footer-col a:hover{color:var(--warm)}
.footer-bottom{
  border-top:1px solid rgba(251,247,242,.14);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(251,247,242,.55);
}
.footer-bottom a{color:rgba(251,247,242,.72)}
.footer-bottom a:hover{color:var(--warm)}

/* ---------- mobile tabbar ---------- */
.mobile-tabbar{display:none}

@media (max-width:1199.98px){
  .read-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
}
@media (max-width:991.98px){
  .container-xl{max-width:720px;padding-left:20px;padding-right:20px}
  .main-nav{display:none}
  .header-inner{min-height:64px}
  .read-layout{grid-template-columns:1fr;gap:0}
  .toc-card{display:none}
  .toc-phone{display:none}
  .read-side{margin-top:26px}
  .mobile-toc{
    display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
    margin-bottom:24px;overflow:hidden;box-shadow:var(--sh);
  }
  .mobile-toc-toggle{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
    background:none;border:0;padding:14px 16px;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;
  }
  .mobile-toc-toggle i{transition:transform .22s ease;color:var(--brand)}
  .mobile-toc-toggle[aria-expanded="true"] i{transform:rotate(180deg)}
  .mobile-toc-body{display:none;padding:0 14px 12px}
  .mobile-toc-body.open{display:block}
  .related-grid{grid-template-columns:1fr 1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .verify-card{grid-template-columns:1fr;gap:16px}
  .cta-inner{grid-template-columns:1fr}
  body{padding-bottom:76px}
  .site-footer{padding-bottom:86px}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    height:60px;padding-bottom:env(safe-area-inset-bottom);
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -4px 16px rgba(23,52,59,.08);
  }
  .mobile-tabbar a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    font-size:10.5px;color:var(--muted);position:relative;
  }
  .mobile-tabbar a i{font-size:19px;line-height:1}
  .mobile-tabbar a.active{color:var(--brand);font-weight:600}
  .mobile-tabbar a.active::before{
    content:"";position:absolute;top:0;left:24%;right:24%;height:2px;background:var(--brand);border-radius:0 0 2px 2px;
  }
}
@media (max-width:767.98px){
  .container-xl{max-width:100%;padding-left:16px;padding-right:16px}
  .article-head{padding:24px 0 28px}
  .read-section{padding:36px 0 40px}
  .related-grid{grid-template-columns:1fr}
  .pn-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .section-head{margin-bottom:24px}
  .related-section,.faq-section{padding:44px 0}
  .cta-strip{padding:34px 0}
  .cta-actions .btn{width:100%}
  .verify-card{padding:20px}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:9.5px}
}
@media (max-width:575.98px){
  .header-cta .btn{height:34px;font-size:13px;padding:0 11px}
  .article-meta{gap:8px 16px;font-size:12.5px}
  .term-pills a{font-size:12.5px;padding:6px 12px}
}