:root{
  --brand:#E63946;--brand-dark:#C42A37;--brand-soft:#FDF0F1;
  --ink:#1F2328;--ink-muted:#4B5563;--ink-soft:#6B7280;
  --surface:#FFFFFF;--surface-muted:#F6F7F9;--border:#E6E8EC;
  --radius:12px;
  --shadow-card:0 1px 2px rgba(16,24,40,.04),0 8px 24px -12px rgba(16,24,40,.12);
  --shadow-hover:0 2px 4px rgba(16,24,40,.06),0 16px 40px -16px rgba(16,24,40,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--surface);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
  font-size:18px;line-height:1.8;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
p+p{margin-top:1.5em}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section.muted{background:var(--surface-muted);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;letter-spacing:.12em;color:var(--brand-dark)}
.sec-head{max-width:820px}
.sec-head h2{margin-top:12px;font-size:36px;line-height:1.28}
.sec-head .desc{margin-top:20px;font-size:20px;color:var(--ink-muted)}
.lead{font-size:20px;color:var(--ink-muted)}
.mt-12{margin-top:48px}
.mt-8{margin-top:32px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 8px 24px -16px rgba(16,24,40,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:80px}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:600;white-space:nowrap}
.brand .tomato{font-size:28px;line-height:1}
.nav{display:flex;align-items:center;gap:2px}
.nav a{padding:10px 14px;border-radius:8px;font-size:17px;font-weight:500;color:var(--ink-muted);transition:.18s}
.nav a:hover{color:var(--brand);background:var(--brand-soft)}
.nav a[aria-current="page"]{color:var(--brand);background:var(--brand-soft)}
.header-right{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--border);background:#fff;border-radius:8px;font-size:20px;line-height:1;cursor:pointer;color:var(--ink);align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;font-weight:600;font-size:18px;padding:14px 26px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .18s,background .18s,border-color .18s,color .18s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn:active{transform:scale(.97)}
.btn.sm{padding:11px 18px;font-size:17px}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(to right,rgba(31,35,40,.045) 1px,transparent 1px),linear-gradient(to bottom,rgba(31,35,40,.045) 1px,transparent 1px);background-size:44px 44px;opacity:.75}
.hero-blob{position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:var(--brand-soft);filter:blur(60px)}
.hero-inner{position:relative;padding:88px 0 80px}
.hero-title{margin-top:32px;font-size:56px;line-height:1.2}
.hero-title span{display:block}
.hero-lead{margin-top:24px;max-width:720px;font-size:20px;color:var(--ink-muted)}
.platform-row{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.platform-row .label{font-weight:500}
.hero-cta{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px}
.stats{margin-top:48px;padding-top:32px;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr);gap:28px;max-width:100%}
.stats dt{font-size:16px;color:var(--ink-muted)}
.stats dd{margin:6px 0 0;font-size:22px;font-weight:600}

/* cards & grid */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:28px}
.card .idx{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:16px;font-weight:600;letter-spacing:.16em;color:var(--brand)}
.card h3{margin-top:12px;font-size:22px}
.card p{margin-top:12px;color:var(--ink-muted)}
.card.is-brand{background:var(--brand-soft);border-color:rgba(230,57,70,.2)}
.card.dark{background:var(--ink);border-color:var(--ink);color:#fff}
.card.dark h3{color:#fff}
.card.dark p{color:rgba(255,255,255,.75)}
.lift{transition:transform .22s cubic-bezier(.22,1,.36,1),box-shadow .22s cubic-bezier(.22,1,.36,1),border-color .22s}
.lift:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.icon-dot{display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:22px}
.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;padding:5px 14px;font-size:15px;font-weight:500;color:var(--ink-muted);background:#fff}
.badge.brand{background:var(--brand-soft);border-color:rgba(230,57,70,.25);color:var(--brand-dark)}
.badge.warn{background:#FFFBEB;border-color:#FDE68A;color:#92400E}

/* section hero with image */
.sec-hero{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.img-frame{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-card);aspect-ratio:4/3}
.img-frame img{width:100%;height:100%;object-fit:cover}

/* steps */
.step-num{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:50%;background:var(--ink);color:#fff;font-size:16px;font-weight:600;flex:0 0 auto}
.step-head{display:flex;align-items:center;gap:14px}
.step-head h3{margin:0;font-size:20px}
.step-meta{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);font-size:16px;color:var(--ink-muted)}

/* tables */
.table-wrap{overflow-x:auto;margin-top:8px}
table{width:100%;border-collapse:collapse;text-align:left;min-width:560px}
th{font-size:16px;font-weight:600;color:var(--ink-muted);padding:0 16px 12px 0;border-bottom:1px solid var(--border)}
td{padding:16px 16px 16px 0;border-bottom:1px solid var(--border);font-size:18px;color:var(--ink-muted);vertical-align:top}
td b{display:block;color:var(--ink);font-weight:600}
td .sub{margin-top:4px;font-size:16px}

/* numbered list rows */
.numlist{display:grid;gap:18px}
.numlist li{display:flex;gap:14px}
.numlist .no{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:16px;font-weight:600;color:var(--brand);flex:0 0 auto;padding-top:2px}
.numlist b{display:block;font-weight:600}
.numlist span.t{display:block;margin-top:4px;color:var(--ink-muted)}

/* checklist style list */
.ticks{display:grid;gap:14px;margin-top:20px}
.ticks li{display:flex;gap:12px;color:var(--ink-muted)}
.ticks li::before{content:"✓";color:var(--brand);font-weight:700;flex:0 0 auto}
.ticks.plain li::before{content:"—";color:var(--ink-soft)}
.ticks.cross li::before{content:"✕";color:var(--ink-soft)}
.ticks.on-dark li{color:rgba(255,255,255,.85)}

/* FAQ */
.faq-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:8px 28px}
details{border-bottom:1px solid var(--border)}
details:last-child{border-bottom:0}
details summary{list-style:none;cursor:pointer;padding:22px 4px;font-size:20px;font-weight:600;display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
details summary::-webkit-details-marker{display:none}
details summary .chev{flex:0 0 auto;color:var(--ink-soft);transition:transform .2s;font-size:18px;line-height:1.6}
details[open] summary .chev{transform:rotate(180deg)}
.faq-body{padding:0 4px 26px;color:var(--ink-muted)}
.faq-body ul{margin-top:18px;display:grid;gap:12px}
.faq-body li{display:flex;gap:12px}
.faq-body li::before{content:"·";color:var(--brand);font-weight:700;flex:0 0 auto}

/* pricing */
.price-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.price-head .price{font-size:26px;font-weight:600;color:var(--brand-dark)}
.tier-split{margin-top:22px;padding-top:20px;border-top:1px solid var(--border)}
.tier-split .cap{font-size:16px;font-weight:600;color:var(--ink)}
.tier-split .cap.mute{color:var(--ink-soft)}

/* form */
.form-grid{display:grid;gap:22px;grid-template-columns:1fr 1fr}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
label{font-size:17px;font-weight:500;margin-bottom:8px}
label .req{color:var(--brand)}
input,select,textarea{width:100%;font-family:inherit;font-size:17px;color:var(--ink);background:#fff;border:1px solid var(--border);border-radius:8px;padding:13px 16px;transition:.18s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(230,57,70,.16)}
textarea{min-height:110px;resize:vertical}
.hint{margin-top:8px;font-size:16px;color:var(--ink-soft)}

/* modal */
.modal{position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center;background:rgba(31,35,40,.45);padding:16px;backdrop-filter:blur(2px)}
.modal.open{display:flex}
.modal-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-hover);max-width:480px;width:100%;padding:28px}
.modal-box h3{font-size:20px}
.modal-box p{margin-top:16px;color:var(--ink-muted)}

/* footer */
.site-footer{border-top:1px solid var(--border);background:var(--surface-muted)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding:64px 0 0}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .tomato{font-size:26px}
.footer-brand .nm{font-size:20px;font-weight:600}
.footer-brand .rl{font-size:16px;color:var(--ink-soft)}
.footer-col h4{font-size:18px}
.footer-col ul{margin-top:20px;display:grid;gap:12px}
.footer-col a,.footer-col li{font-size:18px;color:var(--ink-muted)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{margin-top:56px;padding:28px 0 40px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:16px;color:var(--ink-soft)}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1)}
.reveal.is-visible{opacity:1;transform:none}

@media (max-width:1020px){
  .nav{position:fixed;top:80px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--border);padding:14px 24px 22px;box-shadow:0 16px 30px -18px rgba(16,24,40,.35)}
  .nav.open{display:flex}
  .nav-toggle{display:inline-flex}
  .header-right .btn{display:none}
  .sec-hero{grid-template-columns:1fr;gap:32px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:760px){
  body{font-size:17px}
  .section{padding:56px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .form-grid{grid-template-columns:1fr}
  .hero-inner{padding:60px 0 56px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .lift:hover{transform:none}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ===================================================================
   多页版补充样式
   说明：以上为原单文件样式的原样迁移，未做改动。
   以下为拆分为多页后新增的最小样式，只服务于新增元素。
   =================================================================== */

/* 内页顶部标题区（复用 sec-hero 的图文两栏，仅补充标题排版） */
.page-hero{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.page-hero h1{margin-top:12px;font-size:40px;line-height:1.24}
.page-hero .lead{margin-top:20px}

/* 卡片底部的「查看…→」链接 */
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:17px;font-weight:500;color:var(--brand-dark)}
.card-link:hover{text-decoration:underline}

/* 区块底部的「查看全部 →」链接 */
.more-link{display:inline-flex;align-items:center;gap:6px;margin-top:28px;font-size:18px;font-weight:600;color:var(--brand-dark)}
.more-link:hover{text-decoration:underline}

/* 页脚上方的「本页最后更新」 */
.page-updated{border-top:1px solid var(--border);background:var(--surface-muted)}
.page-updated .container{padding-top:26px;padding-bottom:2px;font-size:16px;color:var(--ink-soft)}

@media (max-width:1020px){
  .page-hero{grid-template-columns:1fr;gap:32px}
}

/* 首页诊断五维度：统一的小矩形紧凑卡片
   编号用固定尺寸小方块，与标题强制同一行，避免出现竖排/横排混用 */
.dim-grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.dim-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:20px 22px;min-width:0}
.dim-card.is-brand{background:var(--brand-soft);border-color:rgba(230,57,70,.2)}
.dim-head{display:flex;align-items:center;gap:12px}
.dim-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;background:var(--brand-soft);color:var(--brand-dark);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:15px;font-weight:600;flex:0 0 auto}
.dim-card.is-brand .dim-num{background:rgba(230,57,70,.14)}
.dim-head h3{margin:0;font-size:19px;line-height:1.35}
.dim-card p{margin-top:10px;font-size:17px;line-height:1.65;color:var(--ink-muted)}
.dim-card .card-link{margin-top:14px;font-size:16px}
@media (max-width:1020px){
  .dim-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .dim-grid{grid-template-columns:1fr}
}

/* 标题字号断点：字号一律按断点固定，不用 vw 缩放，
   避免窗口越宽字越大、全屏时文字与 1200px 容器的比例失真 */
@media (max-width:1020px){
  .hero-title{font-size:44px}
  .sec-head h2{font-size:32px}
  .page-hero h1{font-size:34px}
}
@media (max-width:760px){
  .hero-title{font-size:34px}
  .sec-head h2{font-size:28px}
  .page-hero h1{font-size:30px}
}