/* roulang page: index */
:root{
  --brand:#0f6b5c;
  --brand-dark:#0b5749;
  --brand-soft:#e7f2ef;
  --accent:#e07b39;
  --accent-soft:#fbe9dd;
  --ink:#14201d;
  --ink-2:#4a5a56;
  --line:#e3e8e7;
  --bg:#f7faf9;
  --ok:#178a6f;
  --r-card:14px;
  --r-btn:10px;
  --shadow-sm:0 6px 20px rgba(15,107,92,.08);
  --shadow-md:0 12px 28px rgba(15,107,92,.14);
  --section-gap:56px;
}
@media (min-width:1024px){ :root{ --section-gap:88px; } }

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container-x{width:100%;max-width:1152px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){ .container-x{padding-left:32px;padding-right:32px} }

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,250,249,.94);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 2px 14px rgba(20,32,29,.06);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:56px}
@media (min-width:1024px){ .nav-bar{height:64px} }
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:1rem;font-weight:700;color:var(--ink)}
.brand-sub{font-size:.72rem;color:var(--ink-2);letter-spacing:.06em}
.nav-links{display:none;align-items:center;gap:4px}
@media (min-width:1024px){ .nav-links{display:flex} }
.nav-link{
  padding:8px 14px;border-radius:var(--r-btn);
  font-size:.95rem;color:var(--ink-2);white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-search{display:none;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);padding:0 12px;height:40px}
@media (min-width:1200px){ .nav-search{display:flex} }
.nav-search input{border:none;outline:none;background:transparent;width:130px;font-size:.9rem}
.nav-search span{color:var(--ink-2);font-size:.85rem}
.nav-cta{display:none}
@media (min-width:1024px){ .nav-cta{display:inline-flex} }
.drawer-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
}
@media (min-width:1024px){ .drawer-toggle{display:none} }

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:.95rem;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);box-shadow:var(--shadow-sm)}
.btn-primary:active{background:#094a3d;box-shadow:none;transform:none}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-ghost:active{background:#dcf0ea}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#c86a2b;box-shadow:0 6px 18px rgba(224,123,57,.28)}
.btn-sm{min-height:40px;padding:0 16px;font-size:.9rem}
.btn-block{width:100%}

/* ===== hero ===== */
.hero{padding:40px 0 56px;position:relative;overflow:hidden}
@media (min-width:1024px){
  .hero{min-height:72vh;display:flex;align-items:center;padding:48px 0 80px}
}
.hero-grid{display:grid;gap:36px;align-items:center}
@media (min-width:1024px){ .hero-grid{grid-template-columns:1.05fr 1fr;gap:56px} }
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-soft);color:#a2541f;
  font-size:.8rem;font-weight:600;letter-spacing:.02em;
  margin-bottom:20px;
}
.hero-title{
  font-size:clamp(2rem,4vw,3rem);
  line-height:1.2;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);
}
.hero-sub{margin-top:18px;font-size:1.0625rem;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-note{margin-top:18px;font-size:.875rem;color:var(--ink-2);display:flex;align-items:flex-start;gap:8px}
.hero-note::before{content:"✓";color:var(--ok);font-weight:700;line-height:1.75}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:18px;
  box-shadow:0 18px 44px rgba(15,107,92,.18);
  object-fit:cover;
  aspect-ratio:16/11;
}
.hero-float{
  position:absolute;left:-8px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-md);
  padding:16px 18px;width:min(260px,80%);
}
@media (max-width:767px){ .hero-float{position:static;margin-top:16px;width:100%} }
.hero-float strong{display:block;font-size:.95rem;margin-bottom:10px}
.progress{height:6px;background:var(--line);border-radius:999px;overflow:hidden}
.progress span{display:block;height:100%;background:var(--brand);border-radius:999px}
.hero-float p{margin-top:10px;font-size:.8rem;color:var(--ink-2)}

/* ===== sections ===== */
.section{padding:var(--section-gap) 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:46rem;margin-bottom:36px}
.section-title{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:600;line-height:1.3}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:1rem}
.section-tag{
  display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.08em;
  color:var(--brand);margin-bottom:12px;
}

/* ===== pain grid ===== */
.pain-grid{display:grid;gap:16px}
@media (min-width:640px){ .pain-grid{grid-template-columns:repeat(2,1fr)} }
.pain-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.pain-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#cfe3de}
.pain-icon{
  width:38px;height:38px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.95rem;margin-bottom:14px;
}
.pain-q{font-weight:600;font-size:1.02rem;margin-bottom:8px}
.pain-a{font-size:.92rem;color:var(--ink-2)}

/* ===== plan cards ===== */
.plan-layout{display:grid;gap:20px}
@media (min-width:1024px){
  .plan-layout{grid-template-columns:1.4fr 1fr;grid-template-areas:"main side" "wide wide"}
}
.plan-main{grid-area:main}
.plan-side{grid-area:side;display:grid;gap:20px;align-content:start}
.plan-wide{grid-area:wide}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,transform .25s ease;
  overflow:hidden;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card-body{padding:24px}
.card-cover{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-title{font-size:1.25rem;font-weight:600;margin-bottom:10px}
.card-text{color:var(--ink-2);font-size:.95rem}
.card-list{margin-top:16px;display:grid;gap:10px}
.card-list li{display:flex;gap:10px;font-size:.93rem;color:var(--ink-2);align-items:flex-start}
.card-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:8px;flex-shrink:0}
.plan-wide-inner{display:grid;gap:20px;align-items:center}
@media (min-width:768px){ .plan-wide-inner{grid-template-columns:1.2fr 1fr} }
.plan-wide img{width:100%;height:100%;min-height:180px;object-fit:cover}

/* ===== stats ===== */
.stats{display:grid;gap:16px}
@media (min-width:640px){ .stats{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .stats{grid-template-columns:repeat(4,1fr)} }
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;
}
.stat-num{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:700;color:var(--brand);line-height:1.2}
.stat-num em{font-style:normal;font-size:1rem;color:var(--ink-2);font-weight:600;margin-left:4px}
.stat-label{margin-top:10px;font-size:.9rem;color:var(--ink-2)}

/* ===== news ===== */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.news-grid{display:grid;gap:18px}
@media (min-width:768px){ .news-grid{grid-template-columns:repeat(2,1fr)} }
.news-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#cfe3de}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.8rem;color:var(--ink-2)}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:.78rem;font-weight:600;
}
.badge-accent{background:var(--accent-soft);color:#a2541f}
.news-title{font-size:1.06rem;font-weight:600;line-height:1.5}
.news-sum{font-size:.9rem;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:auto;font-size:.88rem;font-weight:600;color:var(--accent)}
.empty-state{
  padding:40px 24px;text-align:center;color:var(--ink-2);
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  font-size:.95rem;
}

/* ===== faq ===== */
.faq-wrap{max-width:52rem;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:600;font-size:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";color:var(--accent);font-size:1.35rem;font-weight:600;
  line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 22px 20px;color:var(--ink-2);font-size:.94rem}

/* ===== cta ===== */
.cta-band{
  background:var(--brand);color:#fff;border-radius:18px;
  padding:40px 28px;
  display:grid;gap:24px;align-items:center;
}
@media (min-width:900px){ .cta-band{grid-template-columns:1.5fr 1fr;padding:52px 48px;gap:40px} }
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:600;line-height:1.35}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.86);font-size:.98rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14)}
.cta-band .btn-accent:hover{background:#c86a2b}

/* ===== privacy ===== */
.privacy-grid{display:grid;gap:28px}
@media (min-width:900px){ .privacy-grid{grid-template-columns:1fr 1.2fr;gap:48px} }
.privacy-list{display:grid;gap:14px}
.privacy-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;font-size:.93rem;color:var(--ink-2);
}
.privacy-list li strong{display:block;color:var(--ink);font-size:.98rem;margin-bottom:4px;font-weight:600}
.privacy-list li::before{
  content:"";width:10px;height:10px;border-radius:50%;
  background:var(--brand);margin-top:8px;flex-shrink:0;
}

/* ===== modal ===== */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.is-open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(20,32,29,.5)}
.modal-panel{
  position:relative;z-index:1;background:#fff;border-radius:16px;
  box-shadow:0 24px 60px rgba(20,32,29,.28);
  width:100%;max-width:520px;max-height:90vh;overflow:auto;padding:28px;
}
.modal-close{
  position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);color:var(--ink-2);font-size:1.1rem;
}
.modal-close:hover{background:var(--brand-soft);color:var(--brand)}
.modal-panel h3{font-size:1.25rem;font-weight:600;margin-bottom:8px}
.modal-panel > p{font-size:.9rem;color:var(--ink-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:11px 14px;background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(224,123,57,.15);
}
.field textarea{min-height:96px;resize:vertical}
.form-tip{font-size:.8rem;color:var(--ink-2);margin-top:12px}

/* ===== drawer ===== */
.drawer{
  position:fixed;inset:0;z-index:150;display:none;
}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(20,32,29,.45)}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(320px,84%);
  background:#fff;box-shadow:-12px 0 40px rgba(20,32,29,.18);
  padding:20px;display:flex;flex-direction:column;gap:6px;
}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-link{
  padding:12px 14px;border-radius:var(--r-btn);font-size:.98rem;color:var(--ink-2);
}
.drawer-link:hover,.drawer-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-close{
  width:38px;height:38px;border-radius:10px;background:var(--bg);
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);
}

/* ===== footer ===== */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr} }
.footer-title{font-size:.92rem;font-weight:600;margin-bottom:16px;color:var(--ink)}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:.9rem;color:var(--ink-2)}
.footer-links a:hover{color:var(--brand)}
.footer-brand p{font-size:.9rem;color:var(--ink-2);margin-top:14px;max-width:26em}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.82rem;color:var(--ink-2);
}

/* roulang page: category1 */
:root{
  --brand:#0f6b5c;
  --brand-dark:#0b5749;
  --brand-deep:#08443a;
  --accent:#e07b39;
  --accent-soft:#fbe9dd;
  --ink:#14201d;
  --ink-2:#4a5a56;
  --line:#e3e8e7;
  --bg:#f7faf9;
  --card:#ffffff;
  --ok:#178a6f;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 6px 20px rgba(15,107,92,.08);
  --shadow-lg:0 12px 28px rgba(15,107,92,.14);
  --container:1152px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,250,249,.94);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:#ffffff;
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(15,107,92,.06);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--ok) 100%);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(15,107,92,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-weight:700;font-size:16px;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
.nav-link{
  position:relative;
  padding:8px 12px;
  border-radius:var(--radius-btn);
  font-size:14.5px;
  color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:#eaf3f1;}
.nav-link.is-active{color:var(--brand);font-weight:600;background:#eaf3f1;}
.nav-link.is-active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:7px 12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);}
.nav-search i{color:var(--ink-2);font-size:13px;}
.nav-search input{
  border:0;outline:0;background:transparent;width:128px;font-size:13.5px;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  cursor:pointer;
  align-items:center;justify-content:center;
}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:12px 20px 20px;
}
.drawer.is-open{display:block;}
.drawer a{
  display:block;
  padding:12px 10px;
  border-radius:var(--radius-btn);
  color:var(--ink-2);
  font-size:15px;
}
.drawer a:hover,.drawer a.is-active{background:#eaf3f1;color:var(--brand);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 20px;
  min-height:46px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(15,107,92,.22);
}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-primary:active{background:var(--brand-deep);transform:none;}
.btn-ghost{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-ghost:hover{background:var(--accent-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:none;}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(224,123,57,.26);
}
.btn-accent:hover{background:#c96a2c;transform:translateY(-2px);}
.btn-sm{padding:9px 16px;min-height:40px;font-size:14px;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:14.5px;
  border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:56px 0 68px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(720px 320px at 88% 4%,rgba(23,138,111,.13),transparent 66%),
    radial-gradient(520px 280px at 4% 96%,rgba(224,123,57,.10),transparent 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:#eaf3f1;
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  letter-spacing:.3px;
}
.hero-title{
  margin-top:20px;
  font-size:clamp(2rem,4vw,3rem);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.2px;
}
.hero-title em{
  font-style:normal;
  color:var(--brand);
  background:linear-gradient(180deg,transparent 62%,rgba(224,123,57,.28) 62%);
}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  color:var(--ink-2);
  max-width:560px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:20px;
  margin-top:26px;
  font-size:13.5px;
  color:var(--ink-2);
}
.trust-row span{display:inline-flex;align-items:center;gap:7px;}
.trust-row i{color:var(--ok);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  border-radius:18px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
  object-fit:cover;
  aspect-ratio:4/3;
}
.hero-badge{
  position:absolute;
  left:-14px;
  bottom:22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-lg);
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.hero-badge strong{font-size:20px;color:var(--brand);display:block;line-height:1.2;}
.hero-badge span{font-size:12.5px;color:var(--ink-2);}
.hero-badge i{font-size:24px;color:var(--accent);}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section-alt{background:#ffffff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:1.2px;
  color:var(--accent);
  text-transform:uppercase;
}
.section-title{
  margin-top:10px;
  font-size:clamp(1.5rem,2.6vw,2rem);
  font-weight:700;
  line-height:1.3;
}
.section-sub{margin-top:12px;color:var(--ink-2);font-size:15.5px;}

/* ---------- pain ---------- */
.pain-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.pain-card{
  display:flex;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#cfe0dc;}
.pain-icon{
  flex:0 0 auto;
  width:42px;height:42px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
}
.pain-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.pain-card p{font-size:14.5px;color:var(--ink-2);}

/* ---------- cards ---------- */
.card-grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:999px;
  background:#eaf3f1;
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
}
.badge-accent{background:var(--accent-soft);color:#b55f21;}
.card-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);box-shadow:0 4px 12px rgba(20,32,29,.10);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body h3{font-size:18px;font-weight:700;line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--ink-2);}
.card-list{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.card-list li{
  display:flex;gap:9px;align-items:flex-start;
  font-size:14px;color:var(--ink-2);
}
.card-list li i{color:var(--ok);margin-top:5px;font-size:11px;}
.card-foot{margin-top:auto;padding-top:6px;}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 20px 22px;
  box-shadow:var(--shadow-sm);
}
.step::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  display:block;
  font-size:22px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:1px;
  margin-bottom:10px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);}

/* ---------- stats ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.stat{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 22px;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease;
}
.stat:hover{border-color:#cfe0dc;transform:translateY(-2px);}
.stat strong{
  display:block;
  font-size:clamp(1.8rem,3vw,2.4rem);
  font-weight:700;
  color:var(--brand);
  line-height:1.1;
  letter-spacing:-.5px;
}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--ink-2);}

/* ---------- faq ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:12px;
  color:var(--brand);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item[open] summary{color:var(--brand);}
.faq-answer{
  padding:0 22px 20px;
  font-size:14.5px;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  padding-top:16px;
  margin-top:0;
}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(135deg,#0f6b5c 0%,#178a6f 100%);
  border-radius:20px;
  padding:42px 40px;
  color:#fff;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:32px;
  align-items:center;
  box-shadow:0 18px 40px rgba(15,107,92,.22);
}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;line-height:1.35;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.88);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.15);}
.cta-band .btn-accent{box-shadow:none;}

/* ---------- privacy ---------- */
.privacy-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  align-items:start;
}
.privacy-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-sm);
}
.privacy-panel h3{font-size:17px;font-weight:700;margin-bottom:12px;}
.privacy-panel p{font-size:14.5px;color:var(--ink-2);}
.privacy-list{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
.privacy-list li{
  display:flex;gap:10px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:14px 16px;
  font-size:14px;color:var(--ink-2);
  box-shadow:var(--shadow-sm);
}
.privacy-list i{color:var(--brand);margin-top:4px;font-size:13px;}

/* ---------- footer ---------- */
.site-footer{
  background:#ffffff;
  border-top:1px solid var(--line);
  padding:56px 0 26px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--ink-2);max-width:320px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links li{font-size:14px;color:var(--ink-2);transition:color .2s ease;}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-2);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-search{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero{padding:40px 0 52px;}
  .hero-visual{order:-1;}
  .hero-badge{left:auto;right:14px;bottom:14px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:768px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:56px;gap:12px;}
  .brand-name{font-size:15px;}
  .section{padding:52px 0;}
  .card-grid-2{grid-template-columns:1fr;}
  .pain-grid{grid-template-columns:1fr;}
  .privacy-grid{grid-template-columns:1fr;}
  .hero-title{margin-top:16px;}
  .hero-sub{font-size:15.5px;}
}
@media (max-width:520px){
  .container-x{padding-left:16px;padding-right:16px;}
  .steps{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-cta{flex-direction:column;}
  .trust-row{gap:12px;font-size:13px;}
  .hero-badge{padding:12px 14px;}
  .hero-badge strong{font-size:17px;}
  .footer-bottom{font-size:12.5px;}
}

/* roulang page: article */
:root{
  --brand:#0f6b5c;
  --brand-dark:#0b5749;
  --brand-soft:#e7f2ef;
  --accent:#e07b39;
  --accent-soft:#fbe9dd;
  --accent-deep:#b45a1c;
  --ok:#178a6f;
  --ink:#14201d;
  --ink-2:#4a5a56;
  --ink-3:#7b8b87;
  --line:#e3e8e7;
  --bg:#f7faf9;
  --bg-soft:#eef5f3;
  --card:#ffffff;
  --radius:14px;
  --radius-lg:18px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(15,107,92,.06);
  --shadow:0 6px 20px rgba(15,107,92,.08);
  --shadow-lg:0 12px 28px rgba(15,107,92,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--accent-soft);color:var(--accent-deep)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container-x{width:100%;max-width:1152px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(15,107,92,.08)}
.header-inner{
  display:flex;align-items:center;gap:18px;height:56px;
}
@media (min-width:1024px){.header-inner{height:64px;gap:24px}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--ok));
  color:#fff;font-weight:700;font-size:1rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(15,107,92,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:1rem;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:.6875rem;color:var(--ink-3);letter-spacing:.02em}
.nav-links{display:none;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:8px 14px;border-radius:999px;font-size:.9375rem;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.header-actions{margin-left:0}}
.nav-toggle{
  width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-toggle{display:none}
}
.mobile-drawer{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--shadow);padding:14px 20px 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:12px 14px;border-radius:var(--radius-sm);
  font-size:.95rem;color:var(--ink-2);
}
.mobile-drawer a:hover{background:var(--brand-soft);color:var(--brand)}
.mobile-drawer .btn{margin-top:12px;width:100%}
@media (min-width:1024px){.mobile-drawer{display:none !important}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:.9375rem;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,107,92,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,107,92,.26)}
.btn-primary:active{transform:none;background:#094537}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-deep)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--accent-soft);color:var(--accent-deep)}
.btn-sm{height:40px;padding:0 16px;font-size:.875rem}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:40px 0 48px;
  background:linear-gradient(180deg,var(--bg-soft) 0%,var(--bg) 100%);
}
.article-hero::before{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,107,92,.12),rgba(15,107,92,0) 68%);
}
.article-hero-grid{
  position:relative;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
@media (min-width:960px){.article-hero-grid{grid-template-columns:1.12fr .88fr;gap:52px}}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--ink-3);margin-bottom:16px;
}
.breadcrumb a{color:var(--ink-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#c3cfcc}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:.75rem;font-weight:600;
  background:var(--brand-soft);color:var(--brand);
}
.badge-accent{background:var(--accent-soft);color:var(--accent-deep)}
.article-title{
  font-size:clamp(1.75rem,3.4vw,2.6rem);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;margin:16px 0 18px;
}
.article-lead{font-size:1rem;color:var(--ink-2);max-width:60ch}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:22px;
  font-size:.875rem;color:var(--ink-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand)}
.article-hero-media{position:relative}
.article-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
}
.article-hero-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.94);color:var(--brand);
  padding:7px 14px;border-radius:999px;font-size:.75rem;font-weight:600;
  box-shadow:var(--shadow-sm);
}

/* ---------- 正文 ---------- */
.article-body{padding:56px 0 0}
@media (min-width:768px){.article-body{padding:72px 0 0}}
.prose{
  max-width:76ch;margin:0 auto;font-size:1.0625rem;line-height:1.9;color:var(--ink);
}
.prose p{margin:0 0 1.25em}
.prose h2{
  position:relative;font-size:clamp(1.35rem,2.2vw,1.7rem);font-weight:600;
  margin:2em 0 .8em;padding-left:16px;line-height:1.4;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.34em;width:5px;height:1em;
  background:var(--accent);border-radius:3px;
}
.prose h3{font-size:1.2rem;font-weight:600;color:var(--brand);margin:1.6em 0 .6em}
.prose h4{font-size:1.05rem;font-weight:600;margin:1.4em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.35em;padding-left:1.35em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.55em}
.prose li::marker{color:var(--brand)}
.prose blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:4px solid var(--brand);
  background:var(--bg-soft);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-2);
}
.prose img{border-radius:var(--radius);margin:1.7em 0;box-shadow:var(--shadow-sm)}
.prose a{color:var(--brand);border-bottom:1px solid rgba(15,107,92,.35);transition:color .2s ease,border-color .2s ease}
.prose a:hover{color:var(--accent-deep);border-bottom-color:var(--accent)}
.prose strong{font-weight:700}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--bg-soft);font-weight:600}
.prose code{background:var(--bg-soft);padding:2px 6px;border-radius:6px;font-size:.9em}

.notice{
  max-width:76ch;margin:40px auto 0;padding:20px 22px;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:0 var(--radius) var(--radius) 0;box-shadow:var(--shadow-sm);
}
.notice h3{font-size:1rem;font-weight:700;margin-bottom:8px;color:var(--ink)}
.notice p{font-size:.9375rem;color:var(--ink-2)}

.empty-state{
  max-width:640px;margin:0 auto;text-align:center;padding:48px 28px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
}
.empty-state i{font-size:2rem;color:var(--accent)}
.empty-state h2{font-size:1.375rem;font-weight:700;margin:16px 0 10px}
.empty-state p{color:var(--ink-2);margin-bottom:22px}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0 0}
@media (min-width:768px){.section{padding:80px 0 0}}
.section-head{margin-bottom:28px}
.section-head h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;line-height:1.35}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:.95rem;max-width:70ch}
.section-line{width:52px;height:4px;border-radius:3px;background:var(--accent);margin-top:14px}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.rec-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.rec-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d5e5e1}
.rec-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rec-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-card h3{font-size:1.0625rem;font-weight:600;line-height:1.5}
.rec-card p{font-size:.9rem;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:.8125rem;color:var(--ink-3);
}
.rec-card-foot .more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.rec-card:hover .more{color:var(--accent-deep)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:2px 20px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfe0dc;box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:1rem;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;
}
.faq-item[open] summary::after{content:"−";background:var(--accent-soft);color:var(--accent-deep)}
.faq-item p{padding:0 0 18px;font-size:.9375rem;color:var(--ink-2);max-width:70ch}

/* ---------- CTA 与表单 ---------- */
.cta-band{
  margin-top:72px;border-radius:20px;overflow:hidden;
  background:linear-gradient(135deg,var(--brand) 0%,#12836f 100%);
  padding:36px 24px;
  display:grid;grid-template-columns:1fr;gap:28px;
}
@media (min-width:960px){.cta-band{grid-template-columns:1fr .92fr;padding:48px;gap:44px;align-items:center}}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.85rem);color:#fff;font-weight:700;line-height:1.35}
.cta-band .cta-text{color:rgba(255,255,255,.86);margin-top:12px;font-size:.95rem;max-width:52ch}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.92);font-size:.9rem}
.cta-points i{color:#ffd9bd;margin-top:4px}
.form-panel{background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:0 18px 40px rgba(9,60,51,.22)}
.form-panel h3{font-size:1.0625rem;font-weight:700;margin-bottom:4px}
.form-panel .form-tip{font-size:.8125rem;color:var(--ink-3);margin-bottom:18px}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:.8125rem;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.form-field input,.form-field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:11px 14px;font-size:.9375rem;background:#fff;color:var(--ink);
  font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field textarea{min-height:92px;resize:vertical}
.form-field input:focus,.form-field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(224,123,57,.16);
}
.form-panel .btn{width:100%;margin-top:6px}

.privacy-block{margin-top:32px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.privacy-block h3{font-size:1rem;font-weight:700;margin-bottom:10px}
.privacy-block p{font-size:.9rem;color:var(--ink-2);max-width:78ch}
.privacy-list{margin-top:14px;display:grid;grid-template-columns:1fr;gap:8px}
@media (min-width:768px){.privacy-list{grid-template-columns:repeat(2,1fr)}}
.privacy-list li{display:flex;align-items:flex-start;gap:9px;font-size:.875rem;color:var(--ink-2)}
.privacy-list i{color:var(--ok);margin-top:5px}

.back-bar{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.back-bar span{font-size:.875rem;color:var(--ink-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);margin-top:72px;padding:52px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}}
.footer-brand p{margin-top:14px;font-size:.9rem;color:var(--ink-2);line-height:1.85;max-width:44ch}
.footer-title{font-size:.9375rem;font-weight:700;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:.9rem;color:var(--ink-2)}
.footer-links a{color:var(--ink-2);transition:color .2s ease}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8125rem;color:var(--ink-3);
}
@media (max-width:640px){
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .brand-sub{display:none}
}

/* roulang page: category2 */
:root{
    --brand:#0f6b5c;
    --brand-dark:#0b5749;
    --accent:#e07b39;
    --accent-soft:#fbe9dd;
    --ink:#14201d;
    --ink-2:#4a5a56;
    --line:#e3e8e7;
    --bg:#f7faf9;
    --ok:#178a6f;
    --card:#ffffff;
    --r-card:14px;
    --r-btn:10px;
    --shadow-sm:0 6px 20px rgba(15,107,92,.08);
    --shadow-lg:0 12px 28px rgba(15,107,92,.14);
    --section:88px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    background:var(--bg);
    color:var(--ink);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul{list-style:none;padding:0;margin:0;}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--ink);}
  p{margin:0;}

  .container-x{
    width:100%;
    max-width:1152px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:1024px){
    .container-x{padding-left:32px;padding-right:32px;}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 22px;
    border-radius:var(--r-btn);
    font-size:0.95rem;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:background-color .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease;
    min-height:46px;
    white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,107,92,.22);}
  .btn-primary:hover{background:var(--brand-dark);box-shadow:0 10px 22px rgba(15,107,92,.28);transform:translateY(-1px);}
  .btn-primary:active{background:#084138;transform:none;}
  .btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
  .btn-outline:hover{background:var(--accent-soft);border-color:var(--brand);}
  .btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(224,123,57,.25);}
  .btn-accent:hover{background:#c96827;transform:translateY(-1px);}
  .btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 12px;
    border-radius:999px;
    background:var(--accent-soft);
    color:#a8551c;
    font-size:0.78rem;
    font-weight:600;
    letter-spacing:.02em;
  }
  .badge-cool{background:#e4f1ee;color:#0f6b5c;}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(247,250,249,.94);
    border-bottom:1px solid transparent;
    transition:box-shadow .25s ease, border-color .25s ease, background-color .25s ease;
  }
  .site-header.is-scrolled{
    background:#fff;
    border-bottom-color:var(--line);
    box-shadow:0 4px 18px rgba(20,32,29,.06);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:66px;
  }
  @media (max-width:1023px){
    .header-inner{height:58px;}
  }
  .brand{display:flex;align-items:center;gap:10px;}
  .brand-mark{
    width:36px;height:36px;flex:0 0 36px;
    border-radius:11px;
    background:linear-gradient(140deg,var(--brand) 0%,#158472 100%);
    color:#fff;font-weight:700;font-size:1.05rem;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 12px rgba(15,107,92,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-name{font-weight:700;font-size:1rem;color:var(--ink);letter-spacing:.01em;}
  .brand-sub{font-size:0.72rem;color:var(--ink-2);letter-spacing:.06em;}

  .nav-links{display:none;align-items:center;gap:4px;}
  @media (min-width:1024px){ .nav-links{display:flex;} }
  .nav-link{
    position:relative;
    padding:8px 14px;
    border-radius:9px;
    font-size:0.94rem;
    font-weight:500;
    color:var(--ink-2);
    transition:color .2s ease, background-color .2s ease;
  }
  .nav-link:hover{color:var(--brand);background:#eef5f3;}
  .nav-link.is-active{color:var(--brand);font-weight:700;background:#e4f1ee;}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:14px;right:14px;bottom:2px;
    height:2px;border-radius:2px;
    background:var(--accent);
  }
  .nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  .header-actions{display:flex;align-items:center;gap:10px;}
  .header-search{display:none;}
  @media (min-width:1024px){ .header-search{display:block;} }
  .search-box{
    display:flex;align-items:center;gap:8px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:999px;
    padding:7px 14px;
    min-width:190px;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(224,123,57,.15);}
  .search-box input{
    border:0;outline:0;background:transparent;
    font-size:0.88rem;width:100%;color:var(--ink);
  }
  .search-box input::placeholder{color:#9aa8a4;}
  .search-box svg{flex:0 0 16px;color:var(--ink-2);}

  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:10px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    cursor:pointer;
  }
  @media (min-width:1024px){ .menu-toggle{display:none;} }
  .menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:#fff;
    padding:14px 0 20px;
  }
  .mobile-drawer.is-open{display:block;}
  @media (min-width:1024px){ .mobile-drawer{display:none !important;} }
  .mobile-drawer .nav-link{display:block;padding:12px 14px;font-size:1rem;}
  .mobile-drawer .nav-link.is-active::after{display:none;}

  /* ---------- Hero ---------- */
  .hero-banner{
    position:relative;
    overflow:hidden;
    background:linear-gradient(180deg,#f2f8f6 0%,#f7faf9 100%);
    border-bottom:1px solid var(--line);
  }
  .hero-bg{
    position:absolute;
    inset:0 0 0 auto;
    width:58%;
    background-size:cover;
    background-position:center right;
    opacity:.30;
    -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 62%);
    mask-image:linear-gradient(90deg,transparent 0%,#000 62%);
  }
  .hero-inner{
    position:relative;
    z-index:2;
    padding-top:64px;
    padding-bottom:56px;
  }
  @media (min-width:1024px){
    .hero-inner{padding-top:88px;padding-bottom:72px;}
  }
  .hero-title{
    font-size:clamp(2rem,4vw,3rem);
    font-weight:700;
    line-height:1.2;
    max-width:900px;
    letter-spacing:-.01em;
  }
  .hero-title em{font-style:normal;color:var(--brand);}
  .hero-lead{
    margin-top:18px;
    font-size:1.05rem;
    color:var(--ink-2);
    max-width:720px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .hero-note{
    margin-top:22px;
    font-size:0.86rem;
    color:var(--ink-2);
    display:flex;align-items:center;gap:8px;
  }
  .hero-note::before{
    content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);flex:0 0 8px;
  }

  .hero-cards{margin-top:44px;}
  .mini-card{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:18px;
    box-shadow:var(--shadow-sm);
    transition:transform .25s ease, box-shadow .25s ease;
    height:100%;
  }
  .mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
  .mini-thumb{
    width:56px;height:56px;flex:0 0 56px;border-radius:12px;object-fit:cover;
  }
  .mini-card h3{font-size:1.02rem;font-weight:700;}
  .mini-card p{margin-top:6px;font-size:0.88rem;color:var(--ink-2);line-height:1.65;}

  /* ---------- 通用板块 ---------- */
  .section{padding-top:56px;padding-bottom:56px;}
  @media (min-width:1024px){
    .section{padding-top:var(--section);padding-bottom:var(--section);}
  }
  .section-soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{max-width:720px;margin-bottom:36px;}
  @media (min-width:1024px){ .section-head{margin-bottom:52px;} }
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .section-title{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;}
  .section-sub{margin-top:14px;color:var(--ink-2);font-size:1rem;}

  /* ---------- 痛点提问 ---------- */
  .question-grid{
    display:grid;gap:18px;
    grid-template-columns:1fr;
  }
  @media (min-width:640px){ .question-grid{grid-template-columns:1fr 1fr;} }
  .question-card{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--card);
    border:1px solid var(--line);
    border-left:4px solid var(--accent);
    border-radius:var(--r-card);
    padding:20px;
    box-shadow:var(--shadow-sm);
    transition:box-shadow .25s ease, transform .25s ease;
  }
  .question-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
  .q-mark{
    flex:0 0 34px;width:34px;height:34px;border-radius:10px;
    background:#e4f1ee;color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:0.95rem;
  }
  .question-card h3{font-size:1rem;font-weight:700;}
  .question-card p{margin-top:6px;font-size:0.88rem;color:var(--ink-2);}

  /* ---------- 方案卡片 ---------- */
  .grid-3{display:grid;gap:22px;grid-template-columns:1fr;}
  @media (min-width:640px){ .grid-3{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .grid-3{grid-template-columns:repeat(3,1fr);} }
  .grid-2{display:grid;gap:22px;grid-template-columns:1fr;}
  @media (min-width:900px){ .grid-2{grid-template-columns:1fr 1fr;} }

  .feature-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-sm);
    display:flex;flex-direction:column;
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    height:100%;
  }
  .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe3de;}
  .card-media{height:172px;overflow:hidden;background:#eef5f3;}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .feature-card:hover .card-media img{transform:scale(1.04);}
  .card-body{padding:22px;display:flex;flex-direction:column;flex:1;}
  .card-body h3{font-size:1.16rem;font-weight:700;}
  .card-body p{margin-top:10px;font-size:0.92rem;color:var(--ink-2);}
  .card-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
  .card-list li{
    position:relative;
    padding-left:20px;
    font-size:0.88rem;
    color:var(--ink-2);
  }
  .card-list li::before{
    content:"";
    position:absolute;left:0;top:9px;
    width:8px;height:8px;border-radius:3px;
    background:var(--ok);opacity:.85;
  }
  .card-foot{margin-top:auto;padding-top:18px;}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand);font-weight:600;font-size:0.9rem;
    transition:gap .2s ease,color .2s ease;
  }
  .text-link:hover{gap:10px;color:var(--accent);}
  .text-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

  /* ---------- 流程 / 进度 ---------- */
  .step-list{display:flex;flex-direction:column;gap:22px;}
  .step-item{
    display:flex;gap:18px;align-items:flex-start;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:22px;
    box-shadow:var(--shadow-sm);
  }
  .step-num{
    flex:0 0 44px;width:44px;height:44px;border-radius:12px;
    background:var(--brand);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:1.05rem;
    box-shadow:0 6px 14px rgba(15,107,92,.22);
  }
  .step-item h3{font-size:1.06rem;font-weight:700;}
  .step-item p{margin-top:8px;font-size:0.92rem;color:var(--ink-2);}
  .progress-wrap{margin-bottom:30px;}
  .progress-track{
    height:10px;border-radius:999px;background:#e4f1ee;overflow:hidden;
  }
  .progress-fill{
    height:100%;width:0;border-radius:999px;
    background:linear-gradient(90deg,var(--brand) 0%,var(--ok) 100%);
    transition:width 1.2s cubic-bezier(.2,.7,.3,1);
  }
  .progress-meta{
    display:flex;justify-content:space-between;
    font-size:0.82rem;color:var(--ink-2);margin-top:10px;
  }

  /* ---------- 数据 ---------- */
  .stat-grid{
    display:grid;gap:16px;grid-template-columns:1fr 1fr;
  }
  @media (min-width:1024px){ .stat-grid{grid-template-columns:repeat(4,1fr);gap:22px;} }
  .stat-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:24px 20px;
    box-shadow:var(--shadow-sm);
    transition:transform .25s ease, box-shadow .25s ease;
  }
  .stat-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
  .stat-num{
    font-size:clamp(1.9rem,3.6vw,2.5rem);
    font-weight:700;color:var(--brand);line-height:1.1;
    letter-spacing:-.02em;
  }
  .stat-num span{color:var(--accent);font-size:.6em;margin-left:2px;}
  .stat-label{margin-top:10px;font-size:0.95rem;font-weight:600;}
  .stat-desc{margin-top:6px;font-size:0.84rem;color:var(--ink-2);}

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;
    background:transparent;border:0;
    text-align:left;
    font-size:1.02rem;font-weight:600;color:var(--ink);
    cursor:pointer;
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-radius:6px;}
  .faq-icon{
    flex:0 0 26px;width:26px;height:26px;border-radius:50%;
    background:#e4f1ee;color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:1rem;line-height:1;
    transition:transform .25s ease,background-color .25s ease,color .25s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff;}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .3s ease;
  }
  .faq-a p{
    padding:0 40px 22px 4px;
    font-size:0.92rem;color:var(--ink-2);
  }

  /* ---------- CTA ---------- */
  .cta-band{
    background:linear-gradient(120deg,#0f6b5c 0%,#12796a 55%,#158472 100%);
    border-radius:20px;
    padding:40px 26px;
    color:#fff;
    position:relative;
    overflow:hidden;
  }
  @media (min-width:1024px){ .cta-band{padding:56px 52px;} }
  .cta-band::after{
    content:"";
    position:absolute;right:-60px;top:-60px;
    width:260px;height:260px;border-radius:50%;
    background:rgba(224,123,57,.28);
    filter:blur(4px);
  }
  .cta-band h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.9rem);position:relative;z-index:2;}
  .cta-band p{margin-top:14px;color:rgba(255,255,255,.86);max-width:620px;position:relative;z-index:2;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:2;}
  .cta-band .btn-outline{color:#fff;border-color:rgba(255,255,255,.6);}
  .cta-band .btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;}

  /* ---------- 隐私说明 ---------- */
  .privacy-box{
    background:#fff;
    border:1px dashed #cfe3de;
    border-radius:var(--r-card);
    padding:26px;
  }
  .privacy-box h3{font-size:1.1rem;}
  .privacy-box > p{margin-top:12px;font-size:0.92rem;color:var(--ink-2);}
  .privacy-items{margin-top:18px;display:grid;gap:12px;grid-template-columns:1fr;}
  @media (min-width:768px){ .privacy-items{grid-template-columns:1fr 1fr;} }
  .privacy-items li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:0.89rem;color:var(--ink-2);
  }
  .privacy-items li::before{
    content:"✓";
    flex:0 0 20px;width:20px;height:20px;border-radius:6px;
    background:#e4f1ee;color:var(--ok);
    font-size:0.72rem;font-weight:700;
    display:flex;align-items:center;justify-content:center;
    margin-top:4px;
  }

  /* ---------- 表单弹层 ---------- */
  .modal{
    position:fixed;inset:0;
    z-index:120;
    display:none;
    align-items:center;justify-content:center;
    padding:20px;
  }
  .modal.is-open{display:flex;}
  .modal-mask{
    position:absolute;inset:0;
    background:rgba(20,32,29,.5);
    border:0;cursor:pointer;
  }
  .modal-panel{
    position:relative;
    z-index:2;
    width:100%;max-width:520px;
    background:#fff;
    border-radius:16px;
    box-shadow:0 24px 60px rgba(20,32,29,.28);
    padding:28px 24px 26px;
    max-height:90vh;
    overflow-y:auto;
    animation:popIn .25s ease;
  }
  @keyframes popIn{
    from{opacity:0;transform:translateY(14px);}
    to{opacity:1;transform:translateY(0);}
  }
  .modal-panel h3{font-size:1.2rem;}
  .modal-panel > p{margin-top:10px;font-size:0.9rem;color:var(--ink-2);}
  .modal-close{
    position:absolute;right:14px;top:14px;
    width:34px;height:34px;border-radius:9px;
    border:1px solid var(--line);background:#fff;color:var(--ink-2);
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;font-size:1.1rem;line-height:1;
    transition:background-color .2s ease,color .2s ease;
  }
  .modal-close:hover{background:#f0f5f4;color:var(--ink);}
  .modal-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
  .form-grid{margin-top:20px;display:grid;gap:16px;}
  @media (min-width:640px){ .form-grid{grid-template-columns:1fr 1fr;} .form-grid .full{grid-column:1 / -1;} }
  .field label{
    display:block;font-size:0.84rem;font-weight:600;color:var(--ink);margin-bottom:6px;
  }
  .field input,.field select,.field textarea{
    width:100%;
    padding:11px 13px;
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    background:#fbfcfc;
    font-size:0.92rem;
    color:var(--ink);
    font-family:inherit;
    transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
  }
  .field textarea{min-height:92px;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;
    border-color:var(--accent);
    background:#fff;
    box-shadow:0 0 0 3px rgba(224,123,57,.16);
  }
  .form-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
  .form-tip{font-size:0.8rem;color:var(--ink-2);}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#fff;
    border-top:1px solid var(--line);
    padding-top:52px;
    margin-top:0;
  }
  .footer-grid{
    display:grid;gap:32px;
    grid-template-columns:1fr;
    padding-bottom:36px;
  }
  @media (min-width:768px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;} }
  .footer-brand p{margin-top:16px;font-size:0.89rem;color:var(--ink-2);max-width:320px;}
  .footer-title{font-size:0.95rem;font-weight:700;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a,.footer-links li{font-size:0.88rem;color:var(--ink-2);}
  .footer-links a{transition:color .2s ease;}
  .footer-links a:hover{color:var(--brand);}
  .footer-links a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
  .footer-bottom{
    border-top:1px solid var(--line);
    padding:18px 0 26px;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:0.82rem;color:var(--ink-2);
  }

  .sr-only{
    position:absolute;width:1px;height:1px;padding:0;margin:-1px;
    overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
  }

/* roulang page: category3 */
:root{
  --brand:#0f6b5c;
  --brand-dark:#0b5749;
  --brand-deep:#094639;
  --accent:#e07b39;
  --accent-soft:#fbe9dd;
  --ink:#14201d;
  --ink-2:#4a5a56;
  --line:#e3e8e7;
  --bg:#f7faf9;
  --card:#ffffff;
  --ok:#178a6f;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 6px 20px rgba(15,107,92,.08);
  --shadow-md:0 12px 28px rgba(15,107,92,.14);
  --section-y:56px;
}
@media (min-width:1024px){:root{--section-y:88px}}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit}
ul,ol{margin:0;padding:0}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:600}
h3{font-size:1.25rem;font-weight:600}
.container-x{width:100%;max-width:1152px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container-x{padding:0 32px}}
.section{padding:var(--section-y) 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head p{color:var(--ink-2);margin:12px 0 0;font-size:1rem}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:600;letter-spacing:.08em;color:var(--brand);text-transform:uppercase}
.kicker::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:10px;z-index:200}
.skip-link:focus{left:16px;top:12px}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,250,249,.94);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(15,107,92,.07)}
.nav-bar{display:flex;align-items:center;gap:14px;height:64px}
@media (max-width:1023px){.nav-bar{height:56px}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:1.05rem;
  box-shadow:0 6px 16px rgba(15,107,92,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:700;font-size:1.02rem;letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:.72rem;color:var(--ink-2);white-space:nowrap}
.nav-links{display:none;align-items:center;gap:4px;margin-left:18px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{padding:8px 12px;border-radius:10px;font-size:.93rem;color:var(--ink-2);transition:color .2s ease,background-color .2s ease}
.nav-link:hover{color:var(--brand);background:#eef5f3}
.nav-link.is-active{color:var(--brand);background:#e6f1ee;font-weight:600}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{display:none;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--ink-2);font-size:.88rem;min-width:180px;transition:border-color .2s ease,box-shadow .2s ease}
@media (min-width:1150px){.nav-search{display:flex}}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(224,123,57,.16)}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:.88rem;color:var(--ink)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 16px;border-radius:var(--radius-btn);background:var(--brand);color:#fff;font-size:.9rem;font-weight:600;transition:background-color .2s ease,transform .2s ease}
.nav-cta:hover{background:var(--brand-dark);transform:translateY(-1px)}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);
}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-toggle svg{width:20px;height:20px}
/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:100;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(20,32,29,.5)}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(84vw,320px);height:100%;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:6px;
  box-shadow:-12px 0 30px rgba(20,32,29,.18);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-title{font-weight:700;font-size:1rem}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--ink-2)}
.drawer-link{padding:12px 14px;border-radius:10px;font-weight:600;color:var(--ink-2);transition:background-color .2s ease,color .2s ease}
.drawer-link:hover{background:#eef5f3;color:var(--brand)}
.drawer-link.is-active{background:#e6f1ee;color:var(--brand)}
.drawer-note{margin-top:auto;font-size:.8rem;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px}
/* ---------- Hero ---------- */
.hero{padding:30px 0 56px}
@media (min-width:1024px){.hero{padding:40px 0 72px}}
.hero-split{display:grid;gap:30px;align-items:center}
@media (min-width:1024px){
  .hero-split{grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:54px;min-height:calc(72vh - 64px)}
}
.hero-figure{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#e8f1ee}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,32,29,0) 45%,rgba(20,32,29,.32) 100%)}
.hero-float{
  position:absolute;left:16px;bottom:16px;right:16px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:12px;padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  box-shadow:0 10px 24px rgba(20,32,29,.16);
}
.hero-float strong{display:block;font-size:.95rem}
.hero-float span{font-size:.78rem;color:var(--ink-2)}
.hero-float .meter{width:88px;flex:0 0 auto}
.hero-copy .kicker{margin-bottom:14px}
.hero-title{font-size:clamp(2rem,4vw,3rem);font-weight:700;line-height:1.2;margin-bottom:18px}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-sub{color:var(--ink-2);font-size:clamp(1rem,1.4vw,1.1rem);margin:0 0 26px;max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:26px;font-size:.86rem;color:var(--ink-2)}
.hero-trust li{display:flex;align-items:center;gap:8px;list-style:none}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:.97rem;font-weight:600;border:1px solid transparent;text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(15,107,92,.2)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 26px rgba(15,107,92,.24)}
.btn-primary:active{transform:none;background:var(--brand-deep);box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--accent-soft);border-color:var(--accent);color:#b9622a}
.btn-ghost:active{background:#f6ded0}
.btn-sm{min-height:40px;padding:0 16px;font-size:.88rem}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:640px){.btn{min-height:48px}}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:.78rem;font-weight:600;background:#e6f1ee;color:var(--brand);white-space:nowrap}
.tag-accent{background:var(--accent-soft);color:#b9622a}
.tag-ok{background:#e3f4ef;color:var(--ok)}
.tag-line{background:#fff;border:1px solid var(--line);color:var(--ink-2)}
.meter{height:6px;border-radius:999px;background:#e8efed;overflow:hidden}
.meter > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--ok))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#d5e2df}
/* ---------- 排行榜式入口卡 ---------- */
.rank-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rank-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.rank-list{display:grid;gap:12px}
@media (min-width:900px){.rank-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}
.rank-item{display:grid;grid-template-columns:38px minmax(0,1fr);gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.rank-item:hover{border-color:#cfe0dc;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.rank-no{
  width:38px;height:38px;border-radius:11px;background:#eef5f3;color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:1rem;
}
.rank-item:first-child .rank-no{background:var(--brand);color:#fff}
.rank-body h3{font-size:1.02rem;margin-bottom:4px}
.rank-body p{margin:0 0 10px;font-size:.86rem;color:var(--ink-2)}
.rank-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.rank-meta .meter{flex:1 1 120px;min-width:100px}
.rank-meta small{font-size:.78rem;color:var(--ink-2);white-space:nowrap}
/* ---------- 错落条目 ---------- */
.flow-list{display:grid;gap:20px}
.flow-item{
  display:grid;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:20px;box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
.flow-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
@media (min-width:900px){
  .flow-item{grid-template-columns:minmax(0,.92fr) minmax(0,1fr);gap:34px;align-items:center;padding:24px}
  .flow-item:nth-child(even) .flow-media{order:2}
  .flow-item:nth-child(even) .flow-copy{order:1}
}
.flow-media{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#eef5f3}
.flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.flow-copy .flow-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.flow-index{font-size:.78rem;font-weight:700;color:var(--accent);letter-spacing:.14em}
.flow-copy h3{font-size:1.24rem;margin-bottom:10px}
.flow-copy p{color:var(--ink-2);font-size:.95rem;margin-bottom:14px}
.flow-points{display:grid;gap:8px;margin-bottom:16px}
.flow-points li{list-style:none;display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--ink-2)}
.flow-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:.62em;flex:0 0 auto}
.flow-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:14px}
.flow-foot .meter{flex:1 1 140px;min-width:120px}
/* ---------- 数据 ---------- */
.stats-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:900px){.stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 20px}
.stat-num{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:700;color:var(--brand);line-height:1.1;margin-bottom:8px}
.stat-num small{font-size:.9rem;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat p{margin:0;font-size:.88rem;color:var(--ink-2)}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#cfe0dc}
.faq-item[open]{box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 0;font-weight:600;font-size:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  display:grid;place-items:center;background:#eef5f3;color:var(--brand);font-weight:700;font-size:1rem;
}
.faq-item[open] summary::after{content:"−";background:var(--accent-soft);color:#b9622a}
.faq-body{padding:0 0 18px;color:var(--ink-2);font-size:.93rem;max-width:64ch}
.faq-body p:last-child{margin-bottom:0}
/* ---------- CTA 与隐私 ---------- */
.cta-section{background:linear-gradient(180deg,#ffffff 0%,#eef5f3 100%)}
.cta-grid{display:grid;gap:28px}
@media (min-width:1024px){.cta-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:start}}
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}
.form-card h3{font-size:1.15rem;margin-bottom:6px}
.form-hint{font-size:.86rem;color:var(--ink-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;
  font-size:.94rem;color:var(--ink);background:#fbfdfc;outline:0;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(224,123,57,.15)}
.form-note{font-size:.83rem;color:var(--ink-2);margin:14px 0 0}
.form-note.is-ok{color:var(--ok);font-weight:600}
.privacy-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.privacy-card h3{font-size:1.1rem;margin-bottom:12px}
.privacy-list{display:grid;gap:12px}
.privacy-list li{list-style:none;display:flex;gap:10px;font-size:.9rem;color:var(--ink-2)}
.privacy-list li::before{content:"✓";color:var(--ok);font-weight:700;flex:0 0 auto}
.cta-side{margin-top:22px;padding:22px;border-radius:16px;background:var(--brand);color:#fff}
.cta-side h3{color:#fff;font-size:1.1rem;margin-bottom:8px}
.cta-side p{color:rgba(255,255,255,.86);font-size:.9rem;margin-bottom:16px}
.cta-side .btn-ghost{background:#fff;border-color:#fff;color:var(--brand)}
.cta-side .btn-ghost:hover{background:var(--accent-soft);border-color:var(--accent);color:#b9622a}
/* ---------- 页脚 ---------- */
.site-footer{background:#f0f6f4;border-top:1px solid var(--line);padding:48px 0 22px}
.footer-grid{display:grid;gap:28px}
@media (min-width:900px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}}
.footer-brand p{font-size:.88rem;color:var(--ink-2);margin:14px 0 0;max-width:34em}
.footer-title{font-size:.95rem;font-weight:700;margin:0 0 12px}
.footer-links{display:grid;gap:9px;font-size:.9rem;color:var(--ink-2);list-style:none;padding:0;margin:0}
.footer-links a{transition:color .2s ease}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);margin-top:34px;padding-top:18px;
  font-size:.82rem;color:var(--ink-2);
}