* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1E5EFF;
  --primary-dark: #0B3DCC;
  --purple: #7C3AED;
  --text: #101828;
  --sub: #667085;
  --line: #EAECF0;
  --bg: #F7F9FC;
  --success: #12B76A;
  --warn: #F79009;
  --danger: #F04438;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* ============ 导航 ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { height: 66px; display: flex; align-items: center; gap: 34px; }
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 700; letter-spacing: -.2px; cursor: pointer;
}
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(140deg, #1E5EFF, #7C3AED);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
}
.nav-links { display: flex; gap: 28px; margin-left: 8px; }
.nav-links a { font-size: 14px; color: #475467; transition: color .15s; }
.nav-links a:hover { color: var(--primary); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.nav-right .ghost {
  font-size: 14px; color: #475467; background: none; border: none; padding: 8px 4px;
}
.btn {
  height: 42px; padding: 0 22px; border: none; border-radius: 11px;
  font-size: 14px; font-weight: 600;
  transition: transform .12s, box-shadow .16s, background .16s;
}
.btn:active { transform: scale(.98); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 13.5px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(30,94,255,.26); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 8px 22px rgba(30,94,255,.34); }
.btn-white { background: #fff; color: var(--primary-dark); box-shadow: 0 6px 18px rgba(0,0,0,.14); }
.btn-white:hover { box-shadow: 0 10px 26px rgba(0,0,0,.2); }
.btn-outline { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn-outline:hover { border-color: #D0D5DD; background: #FAFBFC; }

/* ============ 视图切换 ============ */
.view { display: none; }
.view.active { display: block; animation: fadeUp .3s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ============ Hero ============ */
.hero {
  padding: 78px 0 84px;
  background:
    radial-gradient(900px 460px at 82% -12%, rgba(124,58,237,.10), transparent 62%),
    radial-gradient(760px 420px at 8% 0%, rgba(30,94,255,.10), transparent 60%),
    #fff;
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; color: var(--primary);
  background: #EEF3FF; border: 1px solid #DEE7FF;
  padding: 6px 14px; border-radius: 30px; margin-bottom: 22px;
}
.hero h1 { font-size: 46px; line-height: 1.22; letter-spacing: -1.2px; font-weight: 700; margin-bottom: 20px; }
.hero h1 .accent { background: linear-gradient(100deg, #1E5EFF, #7C3AED); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 16.5px; line-height: 1.8; color: var(--sub); max-width: 480px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero-actions .btn { height: 50px; padding: 0 30px; font-size: 15px; border-radius: 13px; }
.hero-meta { display: flex; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
.hero-meta div { font-size: 13px; color: var(--sub); display: flex; align-items: center; gap: 7px; }
.hero-meta .tick { color: var(--success); font-weight: 700; }

.preview { background: #fff; border-radius: 22px; border: 1px solid var(--line); box-shadow: 0 26px 60px rgba(16,24,40,.12); overflow: hidden; }
.preview-head { background: linear-gradient(150deg, #0F2A5C, #1E5EFF); padding: 26px 26px 28px; color: #fff; display: flex; align-items: center; gap: 22px; }
.ring { width: 92px; height: 92px; flex: 0 0 92px; border-radius: 50%; background: conic-gradient(#A78BFA 0 69%, rgba(255,255,255,.18) 69% 100%); display: flex; align-items: center; justify-content: center; position: relative; }
.ring::before { content: ''; position: absolute; inset: 8px; border-radius: 50%; background: #123A7E; }
.ring span { position: relative; font-size: 30px; font-weight: 700; letter-spacing: -.5px; }
.preview-head .ph-txt b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.preview-head .ph-txt span { font-size: 12.5px; color: rgba(255,255,255,.72); line-height: 1.6; }
.preview-body { padding: 22px 26px 26px; }
.pv-row { margin-bottom: 16px; }
.pv-row:last-child { margin-bottom: 0; }
.pv-head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 7px; }
.pv-head .k { color: #475467; }
.pv-head .v { font-weight: 700; }
.pv-track { height: 7px; background: #F2F4F7; border-radius: 4px; overflow: hidden; }
.pv-fill { height: 100%; border-radius: 4px; }
.f-good { background: linear-gradient(90deg, #12B76A, #32D583); }
.f-mid  { background: linear-gradient(90deg, #F79009, #FDB022); }
.f-low  { background: linear-gradient(90deg, #F04438, #F97066); }
.preview-foot { border-top: 1px dashed var(--line); padding: 14px 26px; font-size: 11.5px; color: #98A2B3; background: #FCFCFD; }

/* ============ 通用区块 ============ */
.section { padding: 84px 0; }
.section.alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.sec-head h2 { font-size: 32px; letter-spacing: -.6px; font-weight: 700; margin-bottom: 14px; }
.sec-head p { font-size: 15px; color: var(--sub); line-height: 1.8; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px 26px; transition: transform .18s, box-shadow .18s, border-color .18s; }
.step-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(16,24,40,.09); border-color: #D6E0FF; }
.step-idx { width: 38px; height: 38px; border-radius: 11px; background: #EEF3FF; color: var(--primary); font-weight: 700; font-size: 15px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.step-card h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 9px; }
.step-card p { font-size: 13.5px; color: var(--sub); line-height: 1.8; }

.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat-card { background: var(--bg); border-radius: 16px; padding: 24px 22px; border: 1px solid transparent; transition: background .18s, border-color .18s; }
.feat-card:hover { background: #fff; border-color: var(--line); }
.feat-icon { width: 36px; height: 36px; border-radius: 10px; background: #fff; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-size: 17px; margin-bottom: 15px; }
.feat-card h4 { font-size: 14.5px; font-weight: 600; margin-bottom: 7px; }
.feat-card p { font-size: 13px; color: var(--sub); line-height: 1.75; }

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 30px 26px; display: flex; flex-direction: column; transition: transform .18s, box-shadow .18s; position: relative; }
.price-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(16,24,40,.1); }
.price-card.hot { border: 2px solid var(--primary); box-shadow: 0 18px 44px rgba(30,94,255,.16); }
.hot-tag { position: absolute; top: -13px; left: 26px; background: var(--primary); color: #fff; font-size: 11.5px; font-weight: 600; padding: 5px 13px; border-radius: 20px; letter-spacing: .3px; }
.price-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.price-card .desc { font-size: 12.5px; color: var(--sub); margin-bottom: 22px; min-height: 38px; }
.price-num { display: flex; align-items: baseline; gap: 3px; margin-bottom: 24px; }
.price-num .cny { font-size: 16px; font-weight: 600; }
.price-num .n { font-size: 38px; font-weight: 700; letter-spacing: -1.4px; line-height: 1; }
.price-num .per { font-size: 12.5px; color: var(--sub); margin-left: 4px; }
.price-card ul { list-style: none; margin-bottom: 28px; flex: 1; }
.price-card li { font-size: 13px; color: #475467; line-height: 1.7; padding: 7px 0 7px 24px; position: relative; }
.price-card li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700; font-size: 12px; }
.price-card li.muted { color: #98A2B3; }
.price-card li.muted::before { content: '—'; color: #D0D5DD; }
.price-card .btn { width: 100%; height: 46px; }

.faq-wrap { max-width: 800px; margin: 0 auto; }
details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 0 22px; margin-bottom: 12px; transition: border-color .16s; }
details[open] { border-color: #D6E0FF; }
summary { list-style: none; cursor: pointer; padding: 19px 0; font-size: 14.5px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-size: 20px; font-weight: 400; color: #98A2B3; transition: transform .2s; line-height: 1; }
details[open] summary::after { transform: rotate(45deg); color: var(--primary); }
details p { font-size: 13.5px; color: var(--sub); line-height: 1.85; padding: 0 0 20px; max-width: 680px; }

.cta-band { background: linear-gradient(120deg, #0F2A5C, #1E5EFF 60%, #6D3BE8); border-radius: 24px; padding: 52px 48px; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }
.cta-band h2 { font-size: 27px; letter-spacing: -.5px; margin-bottom: 10px; }
.cta-band p { font-size: 14px; color: rgba(255,255,255,.78); line-height: 1.7; max-width: 520px; }

/* ============ 表单页 ============ */
.form-page { padding: 44px 0 90px; }
.form-top { margin-bottom: 32px; }
.form-top h1 { font-size: 30px; letter-spacing: -.7px; margin-bottom: 10px; }
.form-top p { font-size: 14.5px; color: var(--sub); }
.form-layout { display: grid; grid-template-columns: 1fr 330px; gap: 26px; align-items: start; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 28px; margin-bottom: 20px; }
.card h3 { font-size: 15px; font-weight: 600; margin-bottom: 24px; display: flex; align-items: center; gap: 9px; }
.card h3::before { content: ''; width: 3px; height: 15px; border-radius: 2px; background: var(--primary); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.field { margin-bottom: 22px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-size: 13.5px; font-weight: 500; color: #344054; margin-bottom: 9px; }
.field label .req { color: var(--danger); margin-left: 2px; }
.field label .opt { color: #98A2B3; font-weight: 400; font-size: 12.5px; margin-left: 5px; }
.field input[type=text], .field textarea { width: 100%; border: 1px solid var(--line); background: #FAFBFC; border-radius: 11px; padding: 12px 14px; font-size: 14px; color: var(--text); outline: none; resize: vertical; transition: border-color .16s, background .16s, box-shadow .16s; }
.field input:focus, .field textarea:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(30,94,255,.10); }
.field textarea { line-height: 1.7; }
.field .hint { font-size: 12px; color: #98A2B3; margin-top: 7px; line-height: 1.6; }

.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip { padding: 9px 16px; border-radius: 10px; background: #F2F4F7; color: #475467; font-size: 13.5px; border: 1px solid transparent; cursor: pointer; user-select: none; transition: all .15s; }
.chip:hover { background: #EAECF0; }
.chip.on { background: #EEF3FF; border-color: var(--primary); color: var(--primary); font-weight: 600; }

.upload { border: 1.5px dashed #D0D5DD; border-radius: 13px; padding: 26px; text-align: center; cursor: pointer; background: #FAFBFC; transition: all .16s; }
.upload:hover { border-color: var(--primary); background: #F7FAFF; }
.upload .up-ic { font-size: 22px; color: #98A2B3; margin-bottom: 7px; }
.upload .up-t { font-size: 13.5px; font-weight: 500; color: #475467; }
.upload .up-s { font-size: 12px; color: #98A2B3; margin-top: 5px; }

.side-sticky { position: sticky; top: 90px; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px; margin-bottom: 18px; }
.side-card h4 { font-size: 13.5px; font-weight: 600; margin-bottom: 16px; color: var(--text); }
.side-card ul { list-style: none; }
.side-card li { font-size: 13px; color: var(--sub); line-height: 1.7; padding: 8px 0 8px 24px; position: relative; }
.side-card li::before { content: '·'; position: absolute; left: 6px; color: var(--primary); font-weight: 700; font-size: 18px; line-height: 1.2; }
.side-card.privacy { background: linear-gradient(150deg, #F5F8FF, #FBF8FF); border-color: #E4E9FF; }
.side-card.privacy h4 { color: var(--primary-dark); }
.side-card.privacy p { font-size: 12.5px; color: #475467; line-height: 1.8; }

.form-submit { display: flex; align-items: center; gap: 18px; margin-top: 8px; }
.form-submit .btn { height: 50px; padding: 0 40px; font-size: 15px; border-radius: 13px; }
.form-submit .note { font-size: 12.5px; color: #98A2B3; }

/* ============ 分析中 ============ */
.loading-page { min-height: calc(100vh - 66px); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 28px 120px; text-align: center; }
.orb { width: 104px; height: 104px; border-radius: 50%; background: linear-gradient(140deg, #1E5EFF, #7C3AED); display: flex; align-items: center; justify-content: center; font-size: 38px; color: #fff; position: relative; margin-bottom: 36px; animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(30,94,255,.32); } 50% { box-shadow: 0 0 0 26px rgba(30,94,255,0); } }
.orb::after { content: ''; position: absolute; inset: -12px; border-radius: 50%; border: 2px solid rgba(30,94,255,.16); border-top-color: var(--primary); animation: spin 1.4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-page h2 { font-size: 22px; font-weight: 600; margin-bottom: 12px; }
.loading-page .lt { font-size: 14px; color: var(--sub); height: 22px; margin-bottom: 34px; }
.prog-track { width: 100%; max-width: 460px; height: 7px; background: #E4E9F2; border-radius: 4px; overflow: hidden; }
.prog-bar { height: 100%; width: 0%; border-radius: 4px; background: linear-gradient(90deg, #1E5EFF, #7C3AED); transition: width .25s ease; }
.loading-page .ln { font-size: 12.5px; color: #98A2B3; margin-top: 28px; line-height: 1.8; }

/* ============ 报告页 ============ */
.report-page { padding: 44px 0 90px; }
.report-layout { display: grid; grid-template-columns: 320px 1fr; gap: 26px; align-items: start; }
.score-card { position: sticky; top: 90px; background: linear-gradient(160deg, #0F2A5C, #1E5EFF); border-radius: 22px; padding: 32px 26px; color: #fff; text-align: center; box-shadow: 0 22px 48px rgba(15,42,92,.26); }
.score-card .proj { font-size: 13px; color: rgba(255,255,255,.72); margin-bottom: 24px; }
.score-card .ring-lg { width: 136px; height: 136px; margin: 0 auto 18px; border-radius: 50%; background: conic-gradient(#A78BFA 0 69%, rgba(255,255,255,.16) 69% 100%); display: flex; align-items: center; justify-content: center; position: relative; }
.score-card .ring-lg::before { content: ''; position: absolute; inset: 11px; border-radius: 50%; background: #123A7E; }
.score-card .ring-lg .inner { position: relative; display: flex; flex-direction: column; align-items: center; }
.score-card .ring-lg .inner b { font-size: 40px; font-weight: 700; line-height: 1; letter-spacing: -1px; }
.score-card .ring-lg .inner span { font-size: 11px; color: rgba(255,255,255,.6); margin-top: 6px; }
.score-card .level { display: inline-block; font-size: 12.5px; padding: 7px 16px; border-radius: 22px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.2); line-height: 1.5; }
.score-card .meta { margin-top: 26px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); display: flex; justify-content: space-around; font-size: 12px; color: rgba(255,255,255,.7); }
.score-card .meta b { display: block; color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 4px; }

.ai-note { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; line-height: 1.7; color: #6D4AA8; background: #F7F3FF; border: 1px solid #E9DFFF; border-radius: 12px; padding: 14px 16px; margin-bottom: 20px; }
.ai-note .ico { color: var(--purple); font-weight: 700; flex: 0 0 auto; }
.rep-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 28px; margin-bottom: 20px; }
.rep-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 22px; display: flex; align-items: center; gap: 9px; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 8px; }
.dot-g { background: var(--success); }
.dot-o { background: var(--warn); }
.dot-b { background: var(--primary); }

.dim { margin-bottom: 18px; }
.dim:last-child { margin-bottom: 0; }
.dim-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; font-size: 13.5px; }
.dim-head .k { color: #344054; }
.dim-head .v { font-weight: 700; font-size: 14px; }
.dim-track { height: 8px; background: #F2F4F7; border-radius: 4px; overflow: hidden; }
.dim-fill { height: 100%; border-radius: 4px; width: 0; transition: width .9s cubic-bezier(.34,.8,.32,1); }

.item { display: flex; gap: 14px; margin-bottom: 20px; }
.item:last-child { margin-bottom: 0; }
.item .idx { flex: 0 0 24px; height: 24px; border-radius: 7px; font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.idx-g { background: #E7F8EF; color: var(--success); }
.idx-o { background: #FEF3E2; color: var(--warn); }
.item .txt { font-size: 14px; line-height: 1.85; color: #475467; }
.item .txt b { color: var(--text); font-weight: 600; }

.lock-zone { position: relative; }
.lock-zone.blurred .lockable { filter: blur(6px); opacity: .5; pointer-events: none; user-select: none; }
.lock-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px 24px; background: linear-gradient(to bottom, rgba(247,249,252,.15), rgba(247,249,252,.94) 42%); border-radius: 18px; z-index: 5; }
.lock-zone:not(.blurred) .lock-overlay { display: none; }
.lock-overlay .lic { font-size: 28px; margin-bottom: 14px; }
.lock-overlay h4 { font-size: 17px; font-weight: 600; margin-bottom: 9px; }
.lock-overlay p { font-size: 13.5px; color: var(--sub); margin-bottom: 22px; line-height: 1.7; }
.lock-overlay .btn { height: 48px; padding: 0 34px; font-size: 14.5px; border-radius: 12px; }

.rep-footer { font-size: 12px; line-height: 1.9; color: #98A2B3; text-align: center; padding: 14px 10px 0; }
.rep-actions { display: flex; gap: 14px; margin-top: 6px; flex-wrap: wrap; }
.rep-actions .btn { height: 46px; padding: 0 26px; }

/* ============ 模态框 ============ */
.mask { position: fixed; inset: 0; background: rgba(16,24,40,.55); backdrop-filter: blur(3px); display: none; align-items: center; justify-content: center; z-index: 200; padding: 24px; }
.mask.show { display: flex; }
.modal { background: #fff; border-radius: 22px; width: 100%; max-width: 430px; padding: 34px 32px 30px; text-align: center; animation: pop .26s cubic-bezier(.34,1.3,.5,1); box-shadow: 0 30px 70px rgba(16,24,40,.3); }
@keyframes pop { from { opacity: 0; transform: scale(.94) translateY(10px); } to { opacity: 1; transform: none; } }
.modal h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.modal .msub { font-size: 13px; color: var(--sub); margin-bottom: 24px; }
.modal .pnum { display: flex; align-items: baseline; justify-content: center; gap: 3px; margin-bottom: 24px; }
.modal .pnum .c { font-size: 17px; font-weight: 600; }
.modal .pnum .n { font-size: 42px; font-weight: 700; letter-spacing: -1.5px; line-height: 1; }
.modal .pnum .o { font-size: 13px; color: #98A2B3; text-decoration: line-through; margin-left: 10px; }
.modal ul { list-style: none; text-align: left; margin-bottom: 26px; background: #FAFBFC; border-radius: 13px; padding: 18px 20px; }
.modal li { font-size: 13px; color: #475467; line-height: 1.7; padding: 6px 0 6px 24px; position: relative; }
.modal li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700; font-size: 12px; }
.modal .btn { width: 100%; height: 50px; font-size: 15px; border-radius: 13px; margin-bottom: 10px; }
.modal .cancel { width: 100%; height: 42px; border: none; background: none; color: var(--sub); font-size: 14px; border-radius: 11px; }
.modal .cancel:hover { background: #F7F9FC; }
.modal .mtip { font-size: 11.5px; color: #98A2B3; margin-top: 8px; line-height: 1.6; }

/* ============ 页脚 ============ */
footer { background: #0E1116; color: #98A2B3; padding: 56px 0 34px; font-size: 13px; }
.foot-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid #1F242D; }
.foot-brand .logo { color: #fff; margin-bottom: 16px; }
.foot-brand p { font-size: 12.5px; line-height: 1.9; max-width: 300px; color: #7A8494; }
footer h5 { color: #E4E7EC; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
footer ul { list-style: none; }
footer li { margin-bottom: 11px; }
footer li a { font-size: 12.5px; color: #7A8494; transition: color .15s; }
footer li a:hover { color: #fff; }
.foot-bottom { padding-top: 26px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 11.5px; line-height: 1.9; color: #5D6675; }
.foot-bottom .disc { max-width: 760px; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero h1 { font-size: 38px; }
  .form-layout, .report-layout { grid-template-columns: 1fr; }
  .score-card, .side-sticky { position: static; }
  .feat-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .container { padding: 0 18px; }
  .nav-links { display: none; }
  .hero { padding: 52px 0 60px; }
  .hero h1 { font-size: 31px; }
  .section { padding: 58px 0; }
  .sec-head h2 { font-size: 25px; }
  .steps-grid, .feat-grid, .price-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 26px; }
  .cta-band h2 { font-size: 22px; }
  .form-page, .report-page { padding: 28px 0 60px; }
  .card, .rep-card { padding: 22px 18px; }
  .foot-top { grid-template-columns: 1fr; gap: 28px; }
}
/* ================= 导航栏公众号悬浮菜单 ================= */
.nav-wechat {
  position: relative;
  display: flex;
  align-items: center;
  height: 66px; 
  margin-right: 8px;
}

.nav-wechat-btn {
  font-size: 14px;
  color: #475467;
  cursor: pointer;
  padding: 8px 4px;
  transition: color 0.15s;
}

.nav-wechat:hover .nav-wechat-btn {
  color: var(--primary);
}

.wechat-dropdown {
  position: absolute !important;
  top: 60px !important;
  right: -30px !important;
  background: #fff !important;
  border-radius: 12px !important;
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.15) !important;
  border: 1px solid var(--line) !important;
  padding: 16px !important;
  width: 172px !important;
  text-align: center !important;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease !important;
  z-index: 999 !important;
}

.nav-wechat:hover .wechat-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.wechat-dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 40px;
  width: 10px;
  height: 10px;
  background: #fff;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
  transform: rotate(45deg);
}

@media (max-width: 850px) {
  .nav-wechat { display: none; }
}
/* ================= 移动端表单专项优化 ================= */
.form-main {
  display: flex;
  flex-direction: column;
}

@media (max-width: 768px) {
  /* 强制两列变单列 */
  .grid-2 {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  
  /* 移动端输入框加大，防止 iOS 自动放大 */
  .field input[type=text], 
  .field textarea {
    font-size: 16px !important; 
    padding: 14px !important;
  }

  /* 移动端隐藏侧边栏的冗余说明，让表单更聚焦 */
  .side-sticky {
    display: none !important;
  }

  /* 调整卡片内边距 */
  .form-page .card {
    padding: 20px 16px !important;
    border-radius: 14px !important;
  }

  /* 标题字号缩小 */
  .form-top h1 { font-size: 24px !important; }
  .form-top p { font-size: 13px !important; }

  /* 底部提交按钮吸底 */
  .form-submit {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 -4px 12px rgba(0,0,0,0.05);
    z-index: 100;
    margin: 0;
  }
  
  .form-submit .btn {
    width: 100%;
    margin-bottom: 8px;
  }
  
  .form-submit .note {
    display: block;
    text-align: center;
  }

  /* 给底部留出吸底按钮的空间 */
  .form-page {
    padding-bottom: 100px;
  }
}
/* ================= 彻底修复移动端排版问题 ================= */
@media (max-width: 768px) {
  /* 1. 修复表单页左右边距过大的问题 */
  .form-page {
    padding: 24px 16px 100px !important;
  }
  .form-top h1 {
    font-size: 24px !important;
    margin-bottom: 8px !important;
  }
  .form-top p {
    font-size: 13px !important;
    line-height: 1.6 !important;
  }

  /* 2. 修复标签（Chips）折行拥挤 */
  .chips {
    gap: 8px !important;
  }
  .chip {
    padding: 8px 14px !important;
    font-size: 13px !important;
  }

  /* 3. 修复侧边栏内容在手机端被直接压在表单下方的问题 */
  /* 如果用户把 aside 放在主内容里了，我们让它在手机端变成漂亮的卡片 */
  .side-sticky {
    margin-top: 20px !important;
  }
  .side-card {
    padding: 16px !important;
    border-radius: 14px !important;
  }

  /* 4. 修复提交按钮和提示文字挤压的问题 */
  .form-submit {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }
  .form-submit .btn {
    width: 100% !important;
    height: 48px !important;
    font-size: 16px !important;
  }
  .form-submit .note {
    text-align: center !important;
    font-size: 12px !important;
  }

  /* 5. 彻底重构页脚（Footer）移动端样式，解决黑底看不清、乱排版的问题 */
  footer {
    padding: 40px 0 30px !important;
    background: #0E1116 !important;
  }
  .foot-top {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 24px !important;
    padding-bottom: 24px !important;
  }
  .foot-brand {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
  }
  .foot-brand .logo {
    justify-content: center !important;
    margin-bottom: 12px !important;
  }
  .foot-brand p {
    font-size: 12px !important;
    color: #7A8494 !important;
    max-width: 100% !important;
    margin: 0 auto !important;
  }
  
  /* 将页脚导航链接变成两列并排，或者横向排列 */
  .foot-top > div:not(.foot-brand) {
    width: 100% !important;
  }
  footer h5 {
    color: #E4E7EC !important;
    font-size: 14px !important;
    margin-bottom: 12px !important;
  }
  footer ul {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 12px 20px !important;
  }
  footer li {
    margin-bottom: 0 !important;
  }
  footer li a {
    color: #98A2B3 !important;
    font-size: 13px !important;
  }

  /* 底部版权和免责声明 */
  .foot-bottom {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 16px !important;
    padding-top: 20px !important;
  }
  .foot-bottom .disc {
    font-size: 11px !important;
    line-height: 1.8 !important;
    color: #5D6675 !important;
    text-align: justify !important;
    padding: 0 10px;
  }
}