/* roulang page: index */
:root{
  --ink-900:#0B1A17;--ink-700:#1F3330;--ink-500:#4B625E;--ink-300:#8A9A96;
  --line:#DDE4E1;--line-strong:#C3CDC9;
  --paper:#F5F7F4;--paper-2:#FFFFFF;--paper-3:#ECF1EE;
  --brand-700:#0B5B4C;--brand-500:#12876F;--brand-300:#4FC3A1;--brand-050:#E6F4EF;
  --brand-grad:linear-gradient(118deg,#0B5B4C 0%,#12876F 48%,#2FA98A 100%);
  --accent-500:#F2A33C;--accent-100:#FDF1DE;--alert-500:#C4453B;
  --shadow-s:0 1px 2px rgba(11,26,23,.06),0 2px 8px rgba(11,26,23,.05);
  --shadow-m:0 6px 18px rgba(11,26,23,.08);
  --shadow-l:0 22px 48px rgba(11,26,23,.13);
  --glow:0 10px 28px rgba(18,135,111,.26);
  --r-xl:24px;--r-lg:18px;--r-md:14px;--r-sm:12px;--r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.78;letter-spacing:-0.01em;
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-0.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(79,195,161,.32)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700}
.section-head .sub{font-size:14px;color:var(--ink-500);margin-top:10px;max-width:56ch}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);transition:gap .18s,color .18s}
.text-link:hover{gap:10px;color:var(--brand-500)}
.text-link:focus-visible{outline:3px solid rgba(18,135,111,.3);outline-offset:3px;border-radius:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;text-align:center}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-m)}
.btn--primary:hover{transform:translateY(-1px);box-shadow:var(--glow)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-700)}
.btn--ghost:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700)}
.btn--lg{height:52px;padding:0 30px;font-size:16px}
.btn--block{width:100%}
.btn:focus-visible{outline:3px solid rgba(18,135,111,.3);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;font-size:12.5px;font-weight:600;letter-spacing:.04em}
.badge--brand{background:var(--brand-050);color:var(--brand-700)}
.badge--accent{background:var(--accent-100);color:#8A5A12}
.badge--neutral{background:var(--paper-3);color:var(--ink-500)}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:transparent;border-bottom:1px solid transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease}
.site-header.is-stuck{background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-s);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo__mark{width:32px;height:32px;border-radius:9px;background:var(--brand-grad);display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(18,135,111,.28);flex:none}
.logo__text{display:inline-flex;align-items:baseline;gap:2px;line-height:1;white-space:nowrap}
.logo__text strong{font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:-0.02em}
.logo__text em{font-style:normal;font-size:13px;font-weight:600;color:var(--ink-500)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:64px;font-size:15px;font-weight:500;color:var(--ink-500);transition:color .12s ease}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a.is-active{color:var(--ink-900);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;background:var(--brand-500)}
.nav-right{display:flex;align-items:center;gap:14px;flex:none}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{position:absolute;right:14px;color:var(--ink-300);pointer-events:none}
.nav-search input{height:38px;width:200px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper-3);
  padding:0 38px 0 16px;font-size:14px;transition:border-color .18s,box-shadow .18s,background .18s}
.nav-search input::placeholder{color:var(--ink-300)}
.nav-search input:focus{outline:none;border-color:var(--brand-300);background:#fff;box-shadow:0 0 0 3px rgba(79,195,161,.22)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;color:var(--ink-700)}
.nav-toggle:focus-visible{outline:3px solid rgba(18,135,111,.3);outline-offset:2px}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:200;display:none}
.drawer.is-open{display:block}
.drawer__mask{position:absolute;inset:0;background:rgba(11,26,23,.45)}
.drawer__panel{position:relative;width:76%;max-width:340px;height:100%;background:var(--paper-2);display:flex;flex-direction:column;
  padding:20px;box-shadow:var(--shadow-l);animation:slideIn .24s ease}
@keyframes slideIn{from{transform:translateX(-16px);opacity:.6}to{transform:translateX(0);opacity:1}}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:20px;color:var(--ink-500)}
.drawer__nav{display:flex;flex-direction:column;margin-top:8px}
.drawer__nav a{height:48px;display:flex;align-items:center;font-size:16px;color:var(--ink-700);border-bottom:1px solid var(--line)}
.drawer__nav a.is-active{color:var(--brand-700);font-weight:600}
.drawer__foot{margin-top:auto;padding-top:20px}

/* ---------- hero ---------- */
.hero{padding:40px 0 72px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-14%;top:-18%;width:58%;height:120%;border-radius:50%;
  background:radial-gradient(circle,rgba(79,195,161,.16) 0%,rgba(79,195,161,0) 68%);pointer-events:none}
.hero__grid{display:grid;grid-template-columns:46% 54%;gap:48px;align-items:center;min-height:560px;position:relative}
.hero__label{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-700);font-size:12.5px;font-weight:600;letter-spacing:.06em}
.hero__label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.hero h1{margin-top:20px;font-size:clamp(34px,4.4vw,54px);line-height:1.12;font-weight:800;letter-spacing:-0.02em}
.hero h1 em{display:block;font-style:normal;color:var(--brand-700)}
.hero__sub{margin-top:20px;font-size:17px;line-height:1.7;color:var(--ink-500);max-width:34ch}
.hero__actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero__trust{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:30px}
.hero__trust li{display:flex;align-items:center;gap:7px;font-size:14px;color:var(--ink-500)}
.hero__trust svg{color:var(--brand-500);flex:none}
.hero__visual{position:relative}
.hero__figure{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-l);aspect-ratio:5/4;background:var(--paper-3)}
.hero__figure img{width:100%;height:100%;object-fit:cover}
.hero__figure::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(225deg,#0B5B4C 0%,rgba(11,91,76,0) 62%);opacity:.28}
.hero__badge{position:absolute;right:-14px;bottom:26px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-m);
  padding:16px 22px;min-width:186px;border:1px solid var(--line)}
.hero__badge b{display:block;font-size:32px;line-height:1.1;font-weight:800;color:var(--brand-700)}
.hero__badge span{display:block;margin-top:4px;font-size:13px;color:var(--ink-500)}

/* ---------- stats ---------- */
.stats{background:var(--paper-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 0}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{display:flex;gap:12px}
.stat__bar{width:3px;height:20px;border-radius:2px;background:var(--brand-500);margin-top:9px;flex:none}
.stat b{font-size:28px;font-weight:800;color:var(--ink-900);line-height:1.2;display:block}
.stat b small{font-size:14px;font-weight:600;color:var(--ink-500);margin-left:4px}
.stat p{font-size:13px;color:var(--ink-500);margin-top:2px}

/* ---------- steps ---------- */
.steps{display:flex;flex-direction:column;gap:20px}
.step{display:flex;gap:24px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--shadow-s);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.step:nth-child(2){margin-left:32px}
.step:nth-child(3){margin-left:64px}
.step:nth-child(4){margin-left:96px}
.step:hover{transform:translateX(-4px);box-shadow:var(--shadow-m);border-color:var(--line-strong)}
.step__num{font-size:56px;font-weight:800;line-height:.9;color:var(--brand-300);opacity:.55;flex:none;letter-spacing:-0.04em;
  transition:color .2s ease,opacity .2s ease}
.step:hover .step__num{opacity:1;color:var(--brand-500)}
.step h3{font-size:20px;font-weight:600;line-height:1.4}
.step p{margin-top:8px;font-size:14.5px;color:var(--ink-500);max-width:62ch}
.step__points{display:flex;flex-direction:column;gap:6px;margin-top:12px}
.step__points li{position:relative;padding-left:14px;font-size:14px;color:var(--ink-500)}
.step__points li::before{content:"";position:absolute;left:0;top:10px;width:4px;height:4px;border-radius:1px;background:var(--brand-500)}

/* ---------- plans ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{position:relative;display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow-s);transition:transform .2s ease,box-shadow .2s ease}
.plan:hover{box-shadow:var(--shadow-m);transform:translateY(-2px)}
.plan--featured{border-color:transparent;box-shadow:var(--shadow-l);transform:translateY(-8px);padding-top:34px}
.plan--featured:hover{transform:translateY(-10px)}
.plan--featured::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--brand-grad)}
.plan__flag{position:absolute;right:20px;top:-12px}
.plan h3{font-size:18px;font-weight:600}
.plan__price{display:flex;align-items:baseline;gap:6px;margin:16px 0 18px}
.plan__price b{font-size:34px;font-weight:800;color:var(--ink-900);line-height:1.1}
.plan__price span{font-size:13px;color:var(--ink-500)}
.plan__divider{height:1px;background:var(--line);margin-bottom:16px}
.plan__list{display:flex;flex-direction:column;gap:11px;margin-bottom:24px}
.plan__item{display:flex;gap:9px;font-size:14.5px;color:var(--ink-700);line-height:1.6}
.plan__item svg{flex:none;margin-top:5px;color:var(--brand-500)}
.plan__item.is-off{color:var(--ink-300)}
.plan__item.is-off svg{color:var(--ink-300)}
.plan .btn{margin-top:auto}

/* ---------- banner ---------- */
.banner{position:relative;overflow:hidden;background:var(--brand-grad);border-radius:var(--r-xl);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;box-shadow:var(--shadow-l)}
.banner::after{content:"";position:absolute;right:-8%;bottom:-60%;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.08);pointer-events:none}
.banner h2{color:#fff;font-size:clamp(22px,2.2vw,28px);font-weight:700;line-height:1.35;margin-top:14px}
.banner p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.82);max-width:52ch}
.countdown{display:flex;gap:10px;flex:none;position:relative;z-index:1}
.countdown__cell{width:56px;height:56px;border-radius:var(--r-sm);background:rgba(255,255,255,.16);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
.countdown__cell b{font-size:20px;font-weight:800;line-height:1;color:#fff}
.countdown__cell span{font-size:11px;color:rgba(255,255,255,.72)}
.countdown__cell--sec b{color:#FFD9A8}

/* ---------- news ---------- */
.news-head-tags{display:flex;gap:8px;flex-wrap:wrap}
.news-head-tags span{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-500);border:1px solid var(--line);background:var(--paper-2);transition:all .18s ease}
.news-head-tags span:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700)}
.news-list{display:flex;flex-direction:column}
.news-lead{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-s);
  margin-bottom:16px;transition:box-shadow .2s ease,transform .2s ease}
.news-lead:hover{box-shadow:var(--shadow-m);transform:translateY(-2px)}
.news-lead__media{border-radius:var(--r-md);overflow:hidden;background:var(--paper-3)}
.news-lead__media img{width:100%;height:100%;aspect-ratio:3/2;object-fit:cover}
.news-lead__body{display:flex;flex-direction:column;min-width:0;padding:4px 4px 4px 0}
.news-lead h3{font-size:22px;font-weight:600;line-height:1.4;margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead p{margin-top:12px;font-size:14.5px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:16px;font-size:13px;color:var(--ink-300)}
.news-row{display:flex;align-items:center;gap:16px;padding:18px 14px;border-bottom:1px solid var(--line);
  border-radius:10px;color:var(--ink-900);transition:background .16s ease,color .16s ease}
.news-row:hover{background:var(--brand-050);color:var(--brand-700)}
.news-row__title{flex:1;min-width:0;font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-row__time{font-size:13px;color:var(--ink-300);flex:none;transition:color .16s ease}
.news-row:hover .news-row__time{color:var(--brand-700)}
.news-row__arrow{flex:none;color:var(--ink-300);transition:transform .18s ease,color .18s ease;display:inline-flex}
.news-row:hover .news-row__arrow{transform:translateX(4px);color:var(--brand-700)}
.empty{border:1.5px dashed var(--line-strong);border-radius:var(--r-lg);padding:56px 24px;text-align:center;background:var(--paper-2)}
.empty svg{color:var(--brand-300);margin:0 auto}
.empty p{margin:14px 0 20px;font-size:15px;color:var(--ink-500)}

/* ---------- assure ---------- */
.assure{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.assure__media{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-l);background:var(--paper-3)}
.assure__media img{width:100%;height:100%;aspect-ratio:5/4;object-fit:cover}
.assure h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700}
.assure .lead{margin-top:16px;font-size:16px;line-height:1.8;color:var(--ink-500)}
.assure__list{display:flex;flex-direction:column;gap:16px;margin-top:28px}
.assure__list li{display:flex;gap:14px}
.assure__ico{width:38px;height:38px;border-radius:12px;background:var(--brand-050);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;flex:none}
.assure__list h3{font-size:16px;font-weight:600}
.assure__list p{font-size:14px;color:var(--ink-500);margin-top:4px}

/* ---------- form ---------- */
.consult{background:var(--paper-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.consult__grid{display:grid;grid-template-columns:38% 62%;gap:56px;align-items:start}
.consult__intro h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700}
.consult__intro p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--ink-500);max-width:40ch}
.consult__points{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.consult__points li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-700)}
.consult__points svg{flex:none;margin-top:4px;color:var(--brand-500)}
.form-card{background:var(--paper-2);border-radius:var(--r-xl);box-shadow:var(--shadow-m);padding:32px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-700)}
.field label .req{color:var(--alert-500);margin-left:2px}
.field input,.field select,.field textarea{width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--paper);padding:0 14px;font-size:15px;color:var(--ink-900);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-500) 50%),linear-gradient(135deg,var(--ink-500) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-300)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(18,135,111,.16)}
.field input:disabled,.field textarea:disabled{opacity:.55;cursor:not-allowed}
.form-actions{margin-top:24px}
.form-note{margin-top:14px;font-size:12.5px;color:var(--ink-300);line-height:1.7}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:30% 70%;gap:56px;align-items:start}
.faq-aside h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700}
.faq-aside p{margin-top:14px;font-size:14.5px;line-height:1.8;color:var(--ink-500);max-width:30ch}
.faq-aside .btn{margin-top:24px}
.faq-list{display:flex;flex-direction:column}
.faq-item{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:var(--brand-300);box-shadow:var(--shadow-s)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;
  background:none;border:0;cursor:pointer;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5}
.faq-q:focus-visible{outline:3px solid rgba(18,135,111,.3);outline-offset:-3px;border-radius:16px}
.faq-ico{flex:none;width:20px;height:20px;position:relative;color:var(--brand-700);transition:transform .2s ease}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:currentColor;border-radius:2px;left:50%;top:50%}
.faq-ico::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-ico::after{width:2px;height:14px;transform:translate(-50%,-50%);transition:opacity .2s ease}
.faq-item.is-open .faq-ico::after{opacity:0}
.faq-item.is-open .faq-ico{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-500);border-top:1px solid var(--line);padding-top:14px;margin:0 20px 0;padding-left:0;padding-right:0}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.04;
  background-image:repeating-linear-gradient(45deg,#fff 0 1px,transparent 1px 12px)}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand .logo__text strong{color:#fff}
.footer-brand .logo__text em{color:rgba(255,255,255,.6)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:32ch}
.footer-mail{display:inline-block;margin-top:16px;font-size:14px;color:var(--brand-300);font-weight:600}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:0}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-links li{font-size:14px;color:rgba(255,255,255,.66);transition:color .16s ease,transform .16s ease}
.footer-links a{display:inline-block}
.footer-links a:hover{color:#fff;transform:translateY(-2px)}
.footer-bottom{margin-top:56px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1200px){
  .container{max-width:1040px}
  .nav-links{gap:22px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:24px 0 56px}
  .hero__grid{grid-template-columns:1fr;gap:40px;min-height:0}
  .hero__visual{max-width:620px;width:100%}
  .hero__badge{position:static;margin-top:16px;display:flex;align-items:center;gap:14px;min-width:0;width:100%}
  .hero__badge b{font-size:26px}
  .hero__badge span{margin-top:0}
  .step:nth-child(2),.step:nth-child(3),.step:nth-child(4){margin-left:0}
  .plans{grid-template-columns:1fr;gap:16px}
  .plan--featured{transform:none}
  .plan--featured:hover{transform:translateY(-2px)}
  .news-lead{grid-template-columns:1fr}
  .news-lead__media img{aspect-ratio:16/9}
  .assure,.consult__grid,.faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .banner{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:940px){
  .nav-links,.nav-search,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-left{gap:0}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section,.section--tight{padding:56px 0}
  .hero h1{font-size:30px}
  .hero__sub{font-size:15.5px}
  .hero__actions .btn{width:100%}
  .hero__trust{gap:8px 16px}
  .stats__grid{grid-template-columns:1fr 1fr}
  .stat b{font-size:24px}
  .step{padding:20px;gap:16px}
  .step__num{font-size:36px}
  .banner{padding:26px 22px;border-radius:20px}
  .countdown__cell{width:44px;height:44px}
  .countdown__cell b{font-size:16px}
  .form-card{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .news-lead{padding:16px}
  .news-lead h3{font-size:19px}
  .news-row__title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head{margin-bottom:24px}
}
@media (max-width:420px){
  .hero h1{font-size:26px}
  .countdown{gap:6px}
  .countdown__cell{width:40px;height:40px}
}

/* roulang page: article */
:root{
  --ink-900:#0B1A17;--ink-700:#1F3330;--ink-500:#4B625E;--ink-300:#8A9A96;
  --line:#DDE4E1;--line-strong:#C3CDC9;
  --paper:#F5F7F4;--paper-2:#FFFFFF;--paper-3:#ECF1EE;
  --brand-700:#0B5B4C;--brand-500:#12876F;--brand-300:#4FC3A1;--brand-050:#E6F4EF;
  --brand-grad:linear-gradient(118deg,#0B5B4C 0%,#12876F 48%,#2FA98A 100%);
  --accent-500:#F2A33C;--accent-100:#FDF1DE;--alert-500:#C4453B;
  --shadow-s:0 1px 2px rgba(11,26,23,.06),0 2px 8px rgba(11,26,23,.05);
  --shadow-m:0 6px 18px rgba(11,26,23,.08);
  --shadow-l:0 22px 48px rgba(11,26,23,.13);
  --glow:0 10px 28px rgba(18,135,111,.26);
  --r-lg:24px;--r-md:18px;--r-sm:12px;--r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.78;color:var(--ink-700);background:var(--paper);
  -webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.02em}
p{margin:0}
:focus-visible{outline:3px solid rgba(18,135,111,.30);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:transparent;transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(255,255,255,.90);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow-s);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);flex:none}
.logo:hover{color:var(--ink-900)}
.logo__mark{width:34px;height:34px;border-radius:11px;background:var(--brand-grad);display:grid;place-items:center;box-shadow:var(--glow)}
.logo__text{display:flex;align-items:baseline;gap:2px;white-space:nowrap}
.logo__text strong{font-size:19px;font-weight:800;letter-spacing:-.02em}
.logo__text em{font-style:normal;font-size:13.6px;font-weight:500;color:var(--ink-500)}
.nav-links{display:flex;align-items:center;gap:4px;margin-right:auto}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;font-size:15px;color:var(--ink-500);border-radius:10px;transition:color .15s ease}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a.is-active{color:var(--ink-900);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;border-radius:2px;background:var(--brand-500)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.search-box{display:flex;align-items:center;gap:8px;height:40px;width:200px;padding:0 14px;background:var(--paper-3);border:1px solid transparent;border-radius:var(--r-pill);transition:background .18s,border-color .18s,box-shadow .18s}
.search-box:focus-within{background:#fff;border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(79,195,161,.22)}
.search-box svg{flex:none;color:var(--ink-300)}
.search-box input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink-700)}
.search-box input::placeholder{color:var(--ink-300)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-m)}
.btn--primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--glow)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border:1.5px solid var(--line-strong);color:var(--ink-700)}
.btn--ghost:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-300)}
.btn--sm{height:36px;padding:0 18px;font-size:14px}
.btn--lg{height:52px;padding:0 30px;font-size:16px}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:8px;font-size:12.5px;font-weight:600;letter-spacing:.06em}
.badge--brand{background:var(--brand-050);color:var(--brand-700)}
.badge--accent{background:var(--accent-100);color:#8A5A12}
.badge--neutral{background:var(--paper-3);color:var(--ink-500)}
.badge__dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ============ 文章头部 ============ */
.article-hero{padding:36px 0 40px;background:linear-gradient(180deg,var(--brand-050) 0%,rgba(245,247,244,0) 100%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);overflow:hidden;white-space:nowrap}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--ink-300);overflow:hidden;text-overflow:ellipsis}
.article-hero__top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
.article-hero h1{margin-top:16px;font-size:clamp(28px,4vw,40px);line-height:1.22;font-weight:800;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-300)}
.article-meta .bar{width:1px;height:12px;background:var(--line-strong);display:inline-block}

/* ============ 布局 ============ */
.page-main{padding:48px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:start}
.article-shell{min-width:0}
.article-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-s);padding:40px}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-700);word-break:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{margin:40px 0 16px;font-size:clamp(21px,2.4vw,26px);line-height:1.35;font-weight:700;padding-left:12px;border-left:4px solid var(--brand-500);border-radius:2px}
.article-body h3{margin:28px 0 12px;font-size:18px;line-height:1.45;font-weight:600}
.article-body h4{margin:22px 0 10px;font-size:16px;font-weight:600}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:6px 0;line-height:1.85}
.article-body ul li::marker{color:var(--brand-500)}
.article-body ol li::marker{color:var(--brand-500);font-weight:600}
.article-body blockquote{margin:24px 0;padding:18px 20px;border-left:3px solid var(--brand-300);background:var(--paper-3);border-radius:0 12px 12px 0;color:var(--ink-500);font-size:15.5px;line-height:1.8}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:24px auto;border-radius:16px;box-shadow:var(--shadow-s)}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-300)}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-500)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px}
.article-body thead th{background:var(--brand-050);color:var(--brand-700);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:var(--paper-3)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{margin:36px 0;border:0;border-top:1px solid var(--line)}

.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:56px 24px;border:1.5px dashed var(--line-strong);border-radius:var(--r-md);text-align:center;color:var(--ink-500)}
.empty-state svg{color:var(--ink-300)}
.empty-state p{font-size:15px}

/* ============ 侧栏 ============ */
.sidebar{display:none;position:sticky;top:88px;gap:20px;flex-direction:column}
.side-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-s);padding:22px}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand-500)}
.side-list li+li{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.side-list a{display:block;font-size:14px;line-height:1.6;color:var(--ink-700)}
.side-list a:hover{color:var(--brand-700)}
.side-list .side-time{display:block;margin-top:6px;font-size:12.5px;color:var(--ink-300)}
.side-cta{background:var(--brand-grad);border-radius:var(--r-md);padding:22px;color:#fff;box-shadow:var(--shadow-m)}
.side-cta p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.88)}
.side-cta .btn{margin-top:14px;width:100%;background:#fff;color:var(--brand-700);box-shadow:none}
.side-cta .btn:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-1px)}

/* ============ 文末相关 ============ */
.article-foot{margin-top:32px}
.foot-divider{height:1px;background:var(--line);margin:0 0 36px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.section-head h2{font-size:clamp(20px,2.2vw,24px);font-weight:700}
.section-head p{margin-top:6px;font-size:14px;color:var(--ink-500)}
.section-head .text-link{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.section-head .text-link:hover{gap:10px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-s);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-300)}
.rel-card__media{aspect-ratio:3/2;overflow:hidden;background:var(--paper-3)}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.rel-card:hover .rel-card__media img{transform:scale(1.04)}
.rel-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card__body h3{font-size:16.5px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card__body h3 a{color:var(--ink-900)}
.rel-card__body h3 a:hover{color:var(--brand-700)}
.rel-card__body p{font-size:13.5px;line-height:1.7;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;font-size:12.5px;color:var(--ink-300)}

.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.pn-item{display:flex;flex-direction:column;gap:6px;padding:18px 20px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-s);transition:border-color .2s,box-shadow .2s,transform .2s}
.pn-item:hover{border-color:var(--brand-300);box-shadow:var(--shadow-m);transform:translateY(-2px)}
.pn-item span{font-size:12.5px;color:var(--ink-300);letter-spacing:.06em}
.pn-item strong{font-size:15px;font-weight:600;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.pn-item--next{text-align:right;align-items:flex-end}
.back-row{margin-top:26px;display:flex;justify-content:center}

/* ============ CTA ============ */
.cta-band{margin-top:64px}
.cta-inner{background:var(--brand-grad);border-radius:var(--r-lg);padding:44px 48px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:32px;box-shadow:var(--shadow-l);position:relative;overflow:hidden}
.cta-inner::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.10)}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.4vw,27px);line-height:1.35;position:relative}
.cta-inner p{margin-top:10px;color:rgba(255,255,255,.88);font-size:14.5px;line-height:1.75;max-width:640px;position:relative}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
.cta-actions .btn--primary{background:#fff;color:var(--brand-700);box-shadow:none}
.cta-actions .btn--primary:hover{background:var(--brand-050);color:var(--brand-700);box-shadow:0 10px 24px rgba(0,0,0,.14)}
.cta-actions .btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cta-actions .btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}

/* ============ 移动抽屉 ============ */
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;color:var(--ink-900);background:var(--paper-3)}
.mobile-drawer{position:fixed;inset:0;z-index:90;display:none}
.mobile-drawer.is-open{display:block}
.mobile-drawer__mask{position:absolute;inset:0;background:rgba(11,26,23,.42);backdrop-filter:blur(2px)}
.mobile-drawer__panel{position:absolute;top:0;left:0;bottom:0;width:76%;max-width:340px;background:var(--paper-2);box-shadow:var(--shadow-l);display:flex;flex-direction:column;padding:20px 20px 24px;overflow-y:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:10px;background:var(--paper-3);display:grid;place-items:center;color:var(--ink-700)}
.drawer-links{display:flex;flex-direction:column;margin-top:8px}
.drawer-links a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--ink-700);border-bottom:1px solid var(--line)}
.drawer-links a.is-active{color:var(--brand-700);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:20px}
.drawer-foot .btn{width:100%}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#C6D3CF;padding:64px 0 28px;font-size:14px;position:relative;overflow:hidden;margin-top:72px}
.site-footer::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 96px);pointer-events:none}
.site-footer .container{position:relative}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand p{margin-top:16px;font-size:13.6px;line-height:1.8;color:#96A8A3;max-width:300px}
.site-footer .logo__text strong{color:#fff}
.site-footer .logo__text em{color:#96A8A3}
.footer-mail{display:inline-block;margin-top:16px;font-size:14px;color:var(--brand-300)}
.footer-mail:hover{color:#fff}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-links li{color:#96A8A3;font-size:13.6px;line-height:1.8;margin-bottom:10px}
.footer-links a{color:#96A8A3;display:inline-block;transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:#fff;transform:translateY(-2px)}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#7E918C}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:48px}
  .sidebar{display:flex}
}
@media (max-width:1199px){
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .container{padding:0 20px}
  .header-inner{height:60px;gap:16px}
  .search-box{width:160px}
  .nav-links a{padding:0 10px;font-size:14.5px}
  .article-card{padding:32px}
  .cta-inner{padding:36px;grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:860px){
  .nav-links{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rel-grid{grid-template-columns:1fr}
  .prev-next{grid-template-columns:1fr}
  .pn-item--next{text-align:left;align-items:flex-start}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .header-inner{height:56px}
  .logo__text strong{font-size:17px}
  .logo__text em{font-size:12.6px}
  .article-hero{padding:24px 0 30px}
  .page-main{padding:32px 0 56px}
  .article-card{padding:22px 18px;border-radius:var(--r-md)}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{margin-top:32px;padding-left:10px;border-left-width:3px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .cta-inner{padding:28px 22px;border-radius:var(--r-md)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:48px;padding-top:48px}
}
@media (max-width:420px){
  .article-meta{font-size:12.5px}
  .rel-card__body{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B1A17; --ink-700:#1F3330; --ink-500:#4B625E; --ink-300:#8A9A96;
  --line:#DDE4E1; --line-strong:#C3CDC9;
  --paper:#F5F7F4; --paper-2:#FFFFFF; --paper-3:#ECF1EE;
  --brand-700:#0B5B4C; --brand-500:#12876F; --brand-300:#4FC3A1; --brand-050:#E6F4EF;
  --brand-grad:linear-gradient(118deg,#0B5B4C 0%,#12876F 48%,#2FA98A 100%);
  --accent-500:#F2A33C; --accent-100:#FDF1DE;
  --alert-500:#C4453B;
  --shadow-s:0 1px 2px rgba(11,26,23,.06),0 2px 8px rgba(11,26,23,.05);
  --shadow-m:0 6px 18px rgba(11,26,23,.08);
  --shadow-l:0 22px 48px rgba(11,26,23,.13);
  --glow:0 10px 28px rgba(18,135,111,.26);
  --r-lg:24px; --r-md:18px; --r-sm:12px; --r-pill:999px;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink-700);
  font-size:16px;
  line-height:1.78;
  letter-spacing:-0.01em;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-s);
}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.brand-link{display:inline-flex;flex-shrink:0}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo__mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand-grad);
  display:grid;place-items:center;box-shadow:var(--glow);flex-shrink:0;
}
.logo__text{display:flex;align-items:baseline;gap:1px;font-size:17px;line-height:1;letter-spacing:-0.02em}
.logo__text strong{font-weight:800;color:var(--ink-900)}
.logo__text em{font-style:normal;font-size:12.5px;font-weight:600;color:var(--ink-500)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--ink-500);
  transition:color .12s ease,background .12s ease;
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-050)}
.nav-links a.is-active{color:var(--ink-900)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand-500);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.header-search{position:relative;display:flex;align-items:center}
.header-search input{
  width:200px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--paper-3);padding:0 40px 0 16px;font-size:14px;color:var(--ink-700);
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.header-search input::placeholder{color:var(--ink-300)}
.header-search input:focus{
  outline:none;background:#fff;border-color:var(--brand-300);
  box-shadow:0 0 0 3px rgba(79,195,161,.22);
}
.header-search button{
  position:absolute;right:6px;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;color:var(--ink-300);transition:color .16s,background .16s;
}
.header-search button:hover{color:var(--brand-700);background:var(--brand-050)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-2);align-items:center;justify-content:center;color:var(--ink-700);
  transition:background .16s,border-color .16s;
}
.nav-toggle:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-m)}
.btn--primary:hover{transform:translateY(-1px);box-shadow:var(--glow)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-700)}
.btn--ghost:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700)}
.btn--sm{height:36px;padding:0 18px;font-size:14px}
.btn--lg{height:52px;padding:0 30px;font-size:16px}
.btn--light{background:#fff;color:var(--brand-700);box-shadow:var(--shadow-m)}
.btn--light:hover{transform:translateY(-1px);box-shadow:var(--shadow-l)}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn--outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:8px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge--brand{background:var(--brand-050);color:var(--brand-700)}
.badge--accent{background:var(--accent-100);color:#8A5A12}
.badge--neutral{background:var(--paper-3);color:var(--ink-500)}
.badge__dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ---------- Page hero ---------- */
.page-hero{position:relative;padding:40px 0 64px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 82% 6%,rgba(79,195,161,.16),transparent 70%),
    radial-gradient(520px 300px at 4% 92%,rgba(242,163,60,.10),transparent 72%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);
  margin-bottom:22px;overflow-x:auto;white-space:nowrap;
}
.breadcrumb a{color:var(--ink-500);transition:color .16s}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb span.sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--ink-700);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy .badge{margin-bottom:18px}
h1{
  font-size:clamp(30px,3.6vw,44px);line-height:1.18;font-weight:800;
  letter-spacing:-0.02em;color:var(--ink-900);margin-bottom:18px;
}
h1 .hl{color:var(--brand-700)}
.hero-lead{font-size:16.5px;line-height:1.8;color:var(--ink-500);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--ink-500)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{color:var(--brand-500);flex-shrink:0}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--shadow-l);
}
.hero-figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);pointer-events:none;
  background:linear-gradient(215deg,rgba(18,135,111,.28),rgba(18,135,111,0) 62%);
}
.hero-float{
  position:absolute;left:18px;bottom:18px;z-index:2;background:var(--paper-2);
  border-radius:var(--r-md);box-shadow:var(--shadow-m);padding:14px 18px;
  display:flex;align-items:center;gap:14px;border:1px solid var(--line);
}
.hero-float strong{font-size:28px;font-weight:800;color:var(--brand-700);line-height:1;letter-spacing:-0.02em}
.hero-float small{display:block;font-size:12.5px;color:var(--ink-500);line-height:1.4;margin-top:4px}

/* ---------- Doc layout ---------- */
.doc-wrap{padding-bottom:96px}
.doc-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}
.doc-nav{
  position:sticky;top:88px;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 12px;box-shadow:var(--shadow-s);
}
.doc-nav h2{
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--ink-300);
  text-transform:uppercase;padding:0 14px 10px;
}
.doc-nav a{
  display:flex;align-items:center;height:44px;padding:0 14px;border-radius:10px;
  font-size:14.5px;font-weight:600;color:var(--ink-500);border-left:3px solid transparent;
  transition:background .16s,color .16s,border-color .16s;
}
.doc-nav a:hover{background:var(--paper-3);color:var(--ink-900)}
.doc-nav a.is-active{background:var(--brand-050);color:var(--brand-700);border-left-color:var(--brand-500)}

.doc-block{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-s);margin-bottom:24px;scroll-margin-top:96px;
  transition:box-shadow .2s ease;
}
.doc-block:last-child{margin-bottom:0}
.doc-block h2{
  position:relative;font-size:clamp(20px,2vw,25px);font-weight:700;color:var(--ink-900);
  line-height:1.35;padding-left:16px;margin-bottom:18px;letter-spacing:-0.01em;
}
.doc-block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:var(--brand-grad);
}
.doc-block h3{font-size:17px;font-weight:600;color:var(--ink-900);margin:24px 0 10px}
.doc-block p{font-size:15.5px;line-height:1.85;color:var(--ink-500);margin-bottom:14px}
.doc-block p:last-child{margin-bottom:0}
.list-check li{
  position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;line-height:1.8;color:var(--ink-500);
}
.list-check li:last-child{margin-bottom:0}
.list-check li::before{
  content:"";position:absolute;left:3px;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--brand-500);transform:rotate(45deg);
}
.note{
  display:flex;gap:12px;align-items:flex-start;margin-top:20px;padding:16px 18px;
  background:var(--brand-050);border-radius:var(--r-sm);border-left:3px solid var(--brand-300);
  font-size:14.5px;line-height:1.75;color:var(--brand-700);
}
.note svg{flex-shrink:0;margin-top:3px}

.table-scroll{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm);
  margin-top:18px;-webkit-overflow-scrolling:touch;
}
.doc-table{width:100%;min-width:560px;font-size:14.5px}
.doc-table th{
  background:var(--brand-050);color:var(--brand-700);font-weight:700;
  text-align:left;padding:13px 16px;white-space:nowrap;
}
.doc-table td{padding:13px 16px;color:var(--ink-500);border-top:1px solid var(--line);vertical-align:top}
.doc-table tbody tr:nth-child(even) td{background:var(--paper-3)}
.doc-table td strong{color:var(--ink-900);font-weight:600}

.inline-figure{margin-top:22px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.inline-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.inline-figure figcaption{
  font-size:13px;color:var(--ink-300);padding:10px 14px;background:var(--paper-3);
}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 96px}
.section-head{max-width:660px;margin-bottom:32px}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--ink-900);
  line-height:1.28;margin-bottom:12px;letter-spacing:-0.015em;
}
.section-head p{font-size:15px;line-height:1.8;color:var(--ink-500)}
.faq-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:48px;align-items:start}
.faq-aside .contact-card{
  margin-top:24px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-s);
}
.faq-aside .contact-card h3{font-size:16px;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.faq-aside .contact-card p{font-size:14px;color:var(--ink-500);line-height:1.75;margin-bottom:16px}
.faq-aside .contact-card a{color:var(--brand-700);font-weight:600;font-size:14px}
.faq-aside .contact-card a:hover{color:var(--brand-500)}
.faq-item{
  background:var(--paper-2);border:1px solid var(--line);border-radius:16px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item.is-open{border-color:var(--brand-300);box-shadow:var(--shadow-s)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:18px 20px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink-900);
  transition:color .16s;
}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--brand-050);
  display:grid;place-items:center;color:var(--brand-700);
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{
  padding:14px 20px 20px;border-top:1px solid var(--line);margin:0;
  font-size:15px;line-height:1.85;color:var(--ink-500);
}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 96px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--brand-grad);color:#fff;padding:44px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--shadow-l);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-band > *{position:relative;z-index:1}
.cta-band .badge{background:var(--accent-100);color:#8A5A12;margin-bottom:14px}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3;margin-bottom:10px;color:#fff}
.cta-band p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.82);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;
  background-image:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0) 60%);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;padding-bottom:48px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 14px;max-width:300px}
.site-footer .logo__text strong{color:#fff}
.site-footer .logo__text em{color:rgba(255,255,255,.55)}
.footer-mail{font-size:14px;color:var(--brand-300);font-weight:600;transition:color .16s}
.footer-mail:hover{color:#fff}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.6)}
.footer-links a{display:inline-block;color:rgba(255,255,255,.6);transition:color .16s,transform .16s}
.footer-links a:hover{color:#fff;transform:translateY(-2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 26px;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- Mobile drawer ---------- */
.drawer{position:fixed;inset:0;z-index:200;visibility:hidden;opacity:0;transition:opacity .22s ease,visibility .22s ease}
.drawer.is-open{visibility:visible;opacity:1}
.drawer__mask{position:absolute;inset:0;background:rgba(11,26,23,.45)}
.drawer__panel{
  position:relative;width:76%;max-width:330px;height:100%;background:var(--paper-2);
  padding:20px;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .28s ease;box-shadow:var(--shadow-l);
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__close{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line);color:var(--ink-500)}
.drawer__close:hover{background:var(--paper-3);color:var(--ink-900)}
.drawer__nav{display:flex;flex-direction:column}
.drawer__nav a{
  display:flex;align-items:center;height:48px;font-size:16px;font-weight:600;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer__nav a.is-active{color:var(--brand-700)}
.drawer__foot{margin-top:auto;padding-top:20px}
.drawer__foot .btn{width:100%}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .hero-grid{gap:36px}
  .doc-grid{grid-template-columns:200px minmax(0,1fr);gap:32px}
  .faq-grid{gap:36px}
}
@media (max-width:1024px){
  .header-search input{width:160px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{order:2}
  .hero-figure img{aspect-ratio:16/10}
  .hero-float{left:auto;right:14px;bottom:14px}
  .doc-grid{grid-template-columns:1fr;gap:24px}
  .doc-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding:10px;border-radius:16px}
  .doc-nav h2{display:none}
  .doc-nav a{
    height:40px;border-left:0;border-bottom:3px solid transparent;border-radius:8px;
    white-space:nowrap;flex-shrink:0;
  }
  .doc-nav a.is-active{border-left-color:transparent;border-bottom-color:var(--brand-500)}
  .faq-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .header-search{display:none}
  .nav-toggle{display:inline-flex}
  .site-header{background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom-color:var(--line)}
  .page-hero{padding:28px 0 48px}
  .doc-block{padding:24px}
  .cta-section,.faq-section{padding-bottom:72px}
  .doc-wrap{padding-bottom:72px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .header-inner{gap:12px}
  .header-actions .btn--primary{display:none}
  .logo__text{font-size:16px}
  .logo__text em{font-size:12px}
  h1{font-size:clamp(26px,7vw,32px)}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-float{padding:12px 14px;gap:10px}
  .hero-float strong{font-size:22px}
  .doc-block{border-radius:18px;padding:20px}
  .doc-block h2{font-size:20px}
  .cta-band{padding:28px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .faq-q{font-size:15.5px;padding:16px}
  .faq-a p{padding:12px 16px 18px;font-size:14.5px}
}
@media (max-width:420px){
  .badge{font-size:12px}
  .hero-meta{gap:8px 16px;font-size:13px}
  .doc-table{min-width:520px}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B1A17;
  --ink-700:#1F3330;
  --ink-500:#4B625E;
  --ink-300:#8A9A96;
  --line:#DDE4E1;
  --line-strong:#C3CDC9;
  --paper:#F5F7F4;
  --paper-2:#FFFFFF;
  --paper-3:#ECF1EE;
  --brand-700:#0B5B4C;
  --brand-500:#12876F;
  --brand-300:#4FC3A1;
  --brand-050:#E6F4EF;
  --brand-grad:linear-gradient(118deg,#0B5B4C 0%,#12876F 48%,#2FA98A 100%);
  --accent-500:#F2A33C;
  --accent-100:#FDF1DE;
  --accent-ink:#8A5A12;
  --alert-500:#C4453B;
  --shadow-s:0 1px 2px rgba(11,26,23,.06),0 2px 8px rgba(11,26,23,.05);
  --shadow-m:0 6px 18px rgba(11,26,23,.08);
  --shadow-l:0 22px 48px rgba(11,26,23,.13);
  --glow:0 10px 28px rgba(18,135,111,.26);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-badge:8px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-700);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--brand-500);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(18,135,111,.30);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){ .container{max-width:1280px;} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,247,244,0);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-s);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--nav-h);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink-900);
}
.logo:hover{color:var(--ink-900);}
.logo__mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-s);
  flex:0 0 auto;
}
.logo__text{display:inline-flex;align-items:baseline;gap:2px;line-height:1;}
.logo__text strong{font-size:18px;font-weight:800;letter-spacing:-.02em;}
.logo__text em{font-size:13px;font-style:normal;font-weight:500;color:var(--ink-500);letter-spacing:0;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 14px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-500);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-050);}
.nav-links a.is-active{color:var(--ink-900);font-weight:600;background:transparent;}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box input{
  width:200px;
  height:40px;
  padding:0 14px 0 38px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--paper-2);
  font-size:14px;
  color:var(--ink-700);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.search-box input::placeholder{color:var(--ink-300);}
.search-box input:focus{
  outline:none;
  border-color:var(--brand-300);
  box-shadow:0 0 0 3px rgba(79,195,161,.22);
}
.search-box svg{
  position:absolute;
  left:13px;
  width:16px;height:16px;
  color:var(--ink-300);
  pointer-events:none;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:600;
  letter-spacing:0;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-md{height:44px;padding:0 24px;font-size:15px;}
.btn-sm{height:38px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:var(--shadow-m);
}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-s);}
.btn-ghost{
  background:transparent;
  border:1.5px solid var(--line-strong);
  color:var(--ink-700);
}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:600;font-size:14.5px;
}
.btn-link svg{transition:transform .16s ease;}
.btn-link:hover{color:var(--brand-500);}
.btn-link:hover svg{transform:translateX(4px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--paper-2);
  align-items:center;justify-content:center;
  color:var(--ink-700);
}
.nav-toggle svg{width:20px;height:20px;}

/* mobile drawer */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,26,23,.42);
  opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
  z-index:90;
}
.drawer{
  position:fixed;
  top:0;left:0;
  height:100%;
  width:76%;
  max-width:340px;
  background:var(--paper-2);
  z-index:95;
  transform:translateX(-102%);
  transition:transform .26s ease;
  display:flex;
  flex-direction:column;
  padding:20px 20px 24px;
  box-shadow:var(--shadow-l);
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;background:var(--paper);
}
.drawer__close svg{width:18px;height:18px;}
.drawer__nav{display:flex;flex-direction:column;margin-top:4px;flex:1 1 auto;}
.drawer__nav a{
  display:flex;align-items:center;
  min-height:48px;
  font-size:16px;
  color:var(--ink-700);
  border-bottom:1px solid var(--line);
  padding:0 4px;
}
.drawer__nav a.is-active{color:var(--brand-700);font-weight:600;}
.drawer__foot{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.drawer__foot .btn{width:100%;}
.drawer__mail{font-size:13px;color:var(--ink-300);text-align:center;}

/* ---------- badges & tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-badge);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.06em;
  background:var(--brand-050);
  color:var(--brand-700);
  white-space:nowrap;
}
.tag--accent{background:var(--accent-100);color:var(--accent-ink);}
.tag--neutral{background:var(--paper-3);color:var(--ink-500);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500);display:inline-block;}

/* ---------- Hero (category 2 style) ---------- */
.page-hero{
  position:relative;
  padding-top:calc(var(--nav-h) + 26px);
  padding-bottom:56px;
  overflow:hidden;
  background:
    radial-gradient(900px 380px at 88% -10%,rgba(79,195,161,.16),transparent 70%),
    linear-gradient(180deg,var(--brand-050) 0%,var(--paper) 78%);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:40px;
  align-items:end;
}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-300);
  margin-bottom:18px;
  overflow-x:auto;
  white-space:nowrap;
}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-700);}
.crumb span.sep{color:var(--line-strong);}
.page-hero h1{
  font-size:clamp(30px,4vw,48px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink-900);
  max-width:16em;
}
.page-hero h1 em{font-style:normal;color:var(--brand-700);}
.hero-lead{
  margin-top:20px;
  max-width:38em;
  font-size:16.5px;
  color:var(--ink-500);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:24px;
}
.hero-badge{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-m);
  padding:20px;
}
.hero-badge .num{
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  display:flex;align-items:baseline;gap:4px;
}
.hero-badge .num small{font-size:14px;font-weight:600;color:var(--ink-500);}
.hero-badge p{margin-top:10px;font-size:13.5px;color:var(--ink-500);line-height:1.6;}
.hero-badge hr{border:0;border-top:1px solid var(--line);margin:16px 0;}
.hero-badge .mini{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-500);}
.hero-badge .mini b{color:var(--ink-900);font-variant-numeric:tabular-nums;}

/* ---------- Section base ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.28;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:-.015em;
}
.section-head p{margin-top:10px;font-size:14.5px;color:var(--ink-500);max-width:42em;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-700);
  margin-bottom:14px;
}

/* ---------- Z flow ---------- */
.flow{display:flex;flex-direction:column;gap:64px;}
.flow-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.flow-row__media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-l);
  aspect-ratio:5/4;
  background:var(--paper-3);
}
.flow-row__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.flow-row:hover .flow-row__media img{transform:scale(1.03);}
.flow-row__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(215deg,rgba(11,91,76,0) 35%,rgba(11,91,76,.30) 100%);
  pointer-events:none;
}
.flow-row__step{
  position:absolute;
  left:16px;bottom:16px;
  z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;
  border-radius:var(--r-badge);
  background:rgba(255,255,255,.92);
  color:var(--brand-700);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.flow-row__body h3{
  font-size:22px;
  line-height:1.4;
  font-weight:700;
  color:var(--ink-900);
  margin:14px 0 12px;
}
.flow-row__body p{font-size:15.5px;color:var(--ink-500);line-height:1.85;}
.flow-row__body p + p{margin-top:12px;}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.check-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15px;color:var(--ink-700);
}
.check-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:2px;
  background:var(--brand-500);
}
.flow-row__link{margin-top:22px;}
.flow-row--reverse .flow-row__media{order:2;}
.flow-row--reverse .flow-row__body{order:1;}

/* ---------- steps strip ---------- */
.steps{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-s);
  padding:32px;
}
.steps__track{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
}
.steps__track::before{
  content:"";
  position:absolute;
  left:8%;right:8%;top:19px;
  height:2px;
  background:linear-gradient(90deg,var(--brand-700),var(--brand-300) 60%,rgba(79,195,161,.25));
  border-radius:2px;
  z-index:0;
}
.step{
  position:relative;
  z-index:1;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 18px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--line-strong);}
.step__idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-050);
  color:var(--brand-700);
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.step h4{font-size:16px;font-weight:700;color:var(--ink-900);margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--ink-500);line-height:1.7;}

/* ---------- scenario grid ---------- */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-s);
  padding:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--line-strong);}
.card__icon{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--brand-050);
  color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.card__icon svg{width:22px;height:22px;}
.card h3{font-size:18px;font-weight:700;color:var(--ink-900);margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--ink-500);line-height:1.8;}
.card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.card ul li{
  font-size:14px;
  color:var(--ink-700);
  padding-left:16px;
  position:relative;
}
.card ul li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:2px;
  background:var(--brand-300);
}

/* ---------- metrics ---------- */
.metrics{
  background:var(--paper-3);
  border-radius:var(--r-lg);
  padding:36px 24px;
}
.metrics__grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.metric{display:flex;gap:12px;align-items:flex-start;}
.metric__bar{
  flex:0 0 auto;
  width:3px;height:44px;
  border-radius:2px;
  background:var(--brand-500);
  margin-top:4px;
}
.metric b{
  display:block;
  font-size:28px;
  font-weight:800;
  line-height:1.1;
  color:var(--ink-900);
  font-variant-numeric:tabular-nums;
}
.metric b small{font-size:14px;font-weight:600;color:var(--ink-500);margin-left:2px;}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--ink-500);line-height:1.6;}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:30% minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(24px,2.4vw,30px);
  line-height:1.3;
  font-weight:700;
  color:var(--ink-900);
}
.faq-aside p{margin-top:12px;font-size:14.5px;color:var(--ink-500);}
.faq-aside .btn{margin-top:22px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-s);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:var(--brand-300);box-shadow:var(--shadow-m);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:18px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink-900);
  min-height:44px;
}
.faq-q:hover{color:var(--brand-700);}
.faq-q .plus{
  flex:0 0 auto;
  width:24px;height:24px;
  position:relative;
  transition:transform .2s ease;
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";
  position:absolute;
  background:var(--brand-500);
  border-radius:2px;
}
.faq-q .plus::before{left:0;right:0;top:11px;height:2px;}
.faq-q .plus::after{top:0;bottom:0;left:11px;width:2px;transition:opacity .2s ease;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a__inner{
  padding:0 22px 20px;
  border-top:1px solid var(--line);
  margin-top:0;
  padding-top:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-500);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  background:var(--brand-grad);
  color:#fff;
  padding:48px;
  overflow:hidden;
  box-shadow:var(--shadow-l);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
}
.cta-inner h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.32;
  font-weight:800;
  color:#fff;
}
.cta-inner p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.86);max-width:44em;}
.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:200px;}
.cta-actions .btn-primary{background:#fff;color:var(--brand-700);box-shadow:0 10px 26px rgba(0,0,0,.16);}
.cta-actions .btn-primary:hover{color:var(--brand-700);box-shadow:0 14px 32px rgba(0,0,0,.22);}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-900);
  color:var(--ink-300);
  margin-top:88px;
  padding:64px 0 28px;
  position:relative;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.028) 0 1px,transparent 1px 8px);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo__text em{color:var(--ink-300);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:22em;color:var(--ink-300);}
.footer-mail{display:inline-block;margin-top:14px;font-size:14px;color:var(--brand-300);}
.footer-mail:hover{color:#fff;}
.site-footer h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links li{font-size:14px;color:var(--ink-300);line-height:1.7;}
.footer-links a{color:var(--ink-300);font-size:14px;}
.footer-links a:hover{color:#fff;transform:translateY(-2px);display:inline-block;}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-300);
}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:40px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:1024px){
  :root{--nav-h:60px;}
  .container{padding-left:20px;padding-right:20px;}
  .nav-links{display:none;}
  .search-box{display:none;}
  .header-actions .btn-sm{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .hero-badge{max-width:340px;}
  .flow-row{gap:32px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metrics__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps__track{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps__track::before{display:none;}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:24px;}
  .cta-band{padding:36px;}
}
@media (max-width:860px){
  .flow-row{grid-template-columns:minmax(0,1fr);gap:24px;}
  .flow-row--reverse .flow-row__media{order:0;}
  .flow-row--reverse .flow-row__body{order:0;}
  .flow-row__media{aspect-ratio:16/10;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .footer-grid > div:last-child{grid-column:auto;}
  .section{padding:56px 0;}
  .page-hero{padding-bottom:40px;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .metrics__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .steps{padding:20px;}
  .steps__track{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:26px 20px;}
  .cta-actions{min-width:0;width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a__inner{padding:14px 18px 18px;}
  .page-hero h1{max-width:100%;}
  .hero-badge{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --ink-900:#0B1A17;
  --ink-700:#1F3330;
  --ink-500:#4B625E;
  --ink-300:#8A9A96;
  --line:#DDE4E1;
  --line-strong:#C3CDC9;
  --paper:#F5F7F4;
  --paper-2:#FFFFFF;
  --paper-3:#ECF1EE;
  --brand-700:#0B5B4C;
  --brand-500:#12876F;
  --brand-300:#4FC3A1;
  --brand-050:#E6F4EF;
  --brand-grad:linear-gradient(118deg,#0B5B4C 0%,#12876F 48%,#2FA98A 100%);
  --accent-500:#F2A33C;
  --accent-100:#FDF1DE;
  --alert-500:#C4453B;
  --shadow-s:0 1px 2px rgba(11,26,23,.06),0 2px 8px rgba(11,26,23,.05);
  --shadow-m:0 6px 18px rgba(11,26,23,.08);
  --shadow-l:0 22px 48px rgba(11,26,23,.13);
  --glow:0 10px 28px rgba(18,135,111,.26);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --nav-h:64px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink-700)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-0.015em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(18,135,111,.30);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(245,247,244,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-s);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:var(--sp-5);
  height:var(--nav-h);
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(18,135,111,.28);
  flex-shrink:0;
}
.logo__text{display:inline-flex;align-items:baseline;gap:2px}
.logo__text strong{font-size:19px;font-weight:800;color:var(--ink-900);letter-spacing:-0.02em}
.logo__text em{font-style:normal;font-size:13.5px;font-weight:500;color:var(--ink-500);letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:var(--sp-2);margin-left:var(--sp-4);flex:1}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  height:36px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-500);
  border-radius:var(--r-pill);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-050)}
.nav-links a.is-active{color:var(--ink-900);font-weight:600;background:var(--brand-050)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;
  background:var(--brand-500);border-radius:2px;
}
.header-tools{display:flex;align-items:center;gap:var(--sp-3);flex-shrink:0}
.search{
  display:flex;align-items:center;gap:8px;
  height:38px;width:200px;padding:0 14px;
  background:var(--paper-3);
  border:1px solid transparent;border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
  color:var(--ink-300);
}
.search:focus-within{
  background:var(--paper-2);
  border-color:var(--brand-300);
  box-shadow:0 0 0 3px rgba(79,195,161,.22);
}
.search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--ink-700);
}
.search input::placeholder{color:var(--ink-300)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;letter-spacing:0;
  padding:12px 26px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--sm{height:36px;padding:0 18px;font-size:14px}
.btn--lg{height:52px;padding:0 30px;font-size:16px}
.btn--primary{
  background:var(--brand-grad);color:#fff;box-shadow:var(--shadow-m);
}
.btn--primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--glow)}
.btn--primary:active{transform:translateY(1px);box-shadow:var(--shadow-s)}
.btn--ghost{
  background:transparent;color:var(--ink-700);
  border:1.5px solid var(--line-strong);
}
.btn--ghost:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-300)}
.btn--link{color:var(--brand-700);font-weight:600;padding:0;gap:6px}
.btn--link:hover{color:var(--brand-500)}
.btn--link:hover svg{transform:translateX(4px)}
.btn--link svg{transition:transform .2s ease}
.burger{
  display:none;
  width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--line);
  background:var(--paper-2);
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);transition:.2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(11,26,23,.44);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  width:76%;max-width:340px;height:100%;
  background:var(--paper-2);
  padding:20px 20px 28px;
  display:flex;flex-direction:column;gap:var(--sp-4);
  transform:translateX(-18px);transition:transform .24s ease;
  box-shadow:var(--shadow-l);
  overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between}
.drawer__nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer__nav a{
  display:flex;align-items:center;height:48px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--ink-700);
}
.drawer__nav a.is-active{color:var(--brand-700);font-weight:600}
.drawer__close{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--paper);
}
.drawer__cta{margin-top:auto}

/* ---------- Hero ---------- */
.hero{
  padding:calc(var(--nav-h) + 36px) 0 64px;
  background:linear-gradient(180deg,#E9F2EE 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs span.sep{color:var(--line-strong)}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:var(--r-sm);
  background:var(--brand-050);color:var(--brand-700);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.hero h1{
  font-size:clamp(28px,3.4vw,42px);
  font-weight:800;line-height:1.2;letter-spacing:-0.02em;
  margin:18px 0 16px;
}
.hero h1 .hl{color:var(--brand-700)}
.hero-lead{
  font-size:16.5px;color:var(--ink-500);max-width:560px;
}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:var(--paper-2);
  font-size:13.5px;font-weight:500;color:var(--ink-500);
  display:inline-flex;align-items:center;gap:6px;
  transition:.18s ease;
}
.chip:hover{border-color:var(--brand-300);color:var(--brand-700);background:var(--brand-050)}
.chip.is-on{
  background:var(--brand-grad);color:#fff;border-color:transparent;
  box-shadow:0 6px 16px rgba(18,135,111,.24);
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:5/4;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--shadow-l);
}
.hero-badge{
  position:absolute;left:-16px;bottom:24px;
  background:var(--paper-2);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--shadow-m);
  border:1px solid var(--line);
  display:flex;align-items:center;gap:14px;
  max-width:280px;
}
.hero-badge .num{font-size:32px;font-weight:800;color:var(--brand-700);line-height:1;font-variant-numeric:tabular-nums}
.hero-badge .num small{font-size:14px;font-weight:600;margin-left:2px}
.hero-badge p{font-size:13px;color:var(--ink-500);line-height:1.5;margin:0}

/* ---------- 数据带 ---------- */
.stats{background:var(--paper-3);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{
  padding:28px 24px;
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
}
.stat:first-child{border-left:0}
.stat .v{display:flex;align-items:baseline;gap:6px;font-size:28px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.1}
.stat .v::before{content:"";width:3px;height:20px;border-radius:2px;background:var(--brand-500);margin-right:8px;align-self:center}
.stat .v small{font-size:14px;font-weight:600;color:var(--ink-500)}
.stat p{font-size:13px;color:var(--ink-500)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700}
.section-head .sub{font-size:14.5px;color:var(--ink-500);margin-top:10px;max-width:620px}
.eyebrow{
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-700);text-transform:uppercase;
  display:block;margin-bottom:10px;
}

/* ---------- 卡片网格 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-s);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--line-strong)}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-3)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.card:hover .card__media img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:8px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge--float{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.88);color:var(--brand-700);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  box-shadow:0 2px 8px rgba(11,26,23,.10);
}
.badge--neutral{background:var(--paper-3);color:var(--ink-500)}
.badge--accent{background:var(--accent-100);color:#8A5A12}
.card__body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:18px;font-weight:600;line-height:1.45}
.card__body p{
  font-size:14.5px;color:var(--ink-500);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-300);font-variant-numeric:tabular-nums;
}
.card__foot a{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600}
.card__foot a svg{transition:transform .22s ease}
.card__foot a:hover svg{transform:translateX(4px)}

/* ---------- 流程说明 ---------- */
.flow{
  background:var(--paper-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;
  transition:box-shadow .24s ease,transform .24s ease;
}
.step:hover{box-shadow:var(--shadow-m);transform:translateY(-2px)}
.step .n{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-050);color:var(--brand-700);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-500);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:30% 70%;gap:48px;align-items:start}
.faq-side h2{font-size:clamp(24px,2.4vw,30px);font-weight:700;margin-bottom:14px}
.faq-side p{font-size:14.5px;color:var(--ink-500);line-height:1.8}
.faq-side .contact-card{
  margin-top:24px;padding:20px;border-radius:var(--r-md);
  background:var(--brand-050);border:1px solid #CDE7DE;
}
.faq-side .contact-card strong{display:block;font-size:15px;color:var(--brand-700);margin-bottom:6px}
.faq-side .contact-card a{font-size:14px;font-weight:600}
.acc{display:flex;flex-direction:column;gap:12px}
.acc-item{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.acc-item.is-open{border-color:var(--brand-300);box-shadow:var(--shadow-s)}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
  min-height:52px;border-radius:16px;
}
.acc-icon{
  flex-shrink:0;width:22px;height:22px;position:relative;
  border-radius:50%;background:var(--paper-3);
  transition:background .2s ease,transform .2s ease;
}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--ink-500);border-radius:2px;
  transform:translate(-50%,-50%);
}
.acc-icon::before{width:10px;height:2px}
.acc-icon::after{width:2px;height:10px;transition:opacity .2s ease}
.acc-item.is-open .acc-icon{background:var(--brand-500);transform:rotate(45deg)}
.acc-item.is-open .acc-icon::before,.acc-item.is-open .acc-icon::after{background:#fff}
.acc-body{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .24s ease;
}
.acc-item.is-open .acc-body{grid-template-rows:1fr}
.acc-body > div{overflow:hidden}
.acc-body p{
  padding:0 20px 20px;
  margin-top:14px;
  border-top:1px solid var(--line);
  padding-top:14px;
  font-size:15px;line-height:1.8;color:var(--ink-500);
}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px}
.cta{
  background:var(--brand-grad);
  border-radius:var(--r-lg);
  padding:48px 56px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--shadow-l);
  position:relative;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.10);
}
.cta > *{position:relative;z-index:1}
.cta h2{color:#fff;font-size:clamp(22px,2.4vw,28px);font-weight:700;margin-bottom:12px}
.cta p{color:rgba(255,255,255,.86);font-size:14.5px;max-width:560px}
.cta .badge--accent{margin-bottom:14px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
.btn--white{background:#fff;color:var(--brand-700);box-shadow:var(--shadow-m)}
.btn--white:hover{color:var(--brand-500);transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.16)}
.btn--outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn--outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#C7D2CE;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.site-footer .logo__text strong{color:#fff}
.site-footer .logo__text em{color:#9FB3AE}
.footer-brand p{font-size:14px;color:#A9B7B3;line-height:1.8;max-width:320px}
.footer-mail{display:inline-block;margin-top:14px;font-size:14px;color:var(--brand-300);font-weight:600}
.footer-mail:hover{color:#fff}
.site-footer h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links li{font-size:14px;color:#A9B7B3;line-height:1.6}
.footer-links a{color:#A9B7B3;display:inline-block;transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:#fff;transform:translateY(-2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12.5px;color:var(--ink-300);
  flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .header-tools .search{width:170px}
  .hero-grid{gap:40px}
}
@media (max-width:1024px){
  :root{--nav-h:60px}
  .nav-links{display:none}
  .header-tools .search{display:none}
  .burger{display:flex}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .hero{padding-top:calc(var(--nav-h) + 28px);padding-bottom:48px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual img{aspect-ratio:16/10}
  .hero-badge{left:auto;right:16px;bottom:-18px;max-width:260px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat{border-top:1px solid var(--line)}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0}
  .qa-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta{padding:36px 32px;flex-direction:column;align-items:flex-start;gap:24px}
}
@media (max-width:860px){
  .qa-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .hero h1{font-size:27px;line-height:1.28}
  .hero-lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-badge{position:static;margin-top:16px;max-width:none}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left:0;padding:20px 0}
  .stat:first-child{border-top:0}
  .section{padding:56px 0}
  .acc-head{font-size:15.5px;padding:16px}
  .acc-body p{padding:12px 16px 18px;font-size:14.5px}
  .cta{padding:28px 20px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:420px){
  .logo__text strong{font-size:17px}
  .logo__text em{font-size:12.5px}
  .chip{height:34px;font-size:13px;padding:0 13px}
  .btn--lg{height:48px;padding:0 20px;font-size:15px}
}