@import url("base.css");

/* =========================================================
   公共站点
   ========================================================= */
.public-body {
  background: var(--paper);
  background-image:
    radial-gradient(900px 500px at 85% -5%, rgba(15,118,110,.06), transparent 60%),
    radial-gradient(700px 450px at 0% 12%, rgba(199,119,18,.045), transparent 60%);
}
.public-container { width: min(1180px, calc(100% - 44px)); margin: 0 auto; }
.brand-mark { display: inline-flex; color: var(--ink); flex: none; }
.public-header {
  position: sticky; top: 0; z-index: 45;
  background: rgba(245,242,233,.86); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(227,223,211,.8);
}
.header-inner { height: 76px; display: flex; align-items: center; gap: 34px; }
.public-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.public-brand .brand-mark { color: var(--teal); }
.public-brand span:last-child { display: flex; flex-direction: column; line-height: 1.25; }
.public-brand strong { font-size: 17px; letter-spacing: .06em; }
.public-brand small { font-size: 9.5px; color: var(--muted); letter-spacing: .16em; }
.public-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.public-nav a { font-size: 12.5px; color: var(--ink-3); font-weight: 500; }
.public-nav a:hover { color: var(--teal); }
.public-actions { display: flex; align-items: center; gap: 16px; }
.public-actions .text-link { font-size: 12.5px; color: var(--ink-3); }
.public-menu-btn { display: none; border: 0; background: transparent; color: var(--ink); }
.public-footer { background: #16252c; color: rgba(255,255,255,.65); margin-top: 0; padding: 54px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 42px; }
.footer-brand .public-brand { color: #fff; }
.footer-brand .brand-mark { color: var(--teal); }
.footer-brand p { max-width: 330px; font-size: 12px; line-height: 1.8; color: rgba(255,255,255,.48); margin-top: 15px; }
.footer-grid h4 { color: #fff; font-size: 12px; letter-spacing: .08em; margin: 6px 0 14px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 10px; }
.footer-grid a:not(.public-brand) { font-size: 12px; color: rgba(255,255,255,.56); }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 20px;
  font-size: 10.5px; color: rgba(255,255,255,.38);
}

/* 首屏 */
.hero { padding: 66px 0 88px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; right: -120px; top: 30px; width: 520px; height: 520px;
  border-radius: 50%; background: radial-gradient(circle, rgba(15,118,110,.12), transparent 65%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 54px; align-items: center; position: relative; }
.hero h1 { font-family: var(--font-serif); font-size: clamp(38px, 4.2vw, 56px); line-height: 1.18; font-weight: 700; letter-spacing: -.035em; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--teal); position: relative; }
.hero h1 em::after { content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 9px; background: rgba(199,119,18,.18); z-index: -1; border-radius: 2px; }
.hero-lead { font-size: 15px; line-height: 1.85; max-width: 540px; color: var(--ink-3); margin-bottom: 26px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 18px; flex-wrap: wrap; margin: 24px 0 30px; font-size: 11px; color: var(--muted); }
.hero-trust span { display: inline-flex; align-items: center; gap: 5px; }
.hero-trust svg { color: var(--teal); }
.platform-strip {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding-top: 20px; border-top: 1px solid var(--line); font-size: 10.5px; color: var(--muted);
}
.platform-strip strong { font-size: 11px; color: var(--ink-3); font-weight: 500; letter-spacing: .02em; }
.hero-visual { position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center; }
.hero-glow { position: absolute; inset: 8% 2% 2% 8%; background: linear-gradient(150deg, rgba(15,118,110,.18), rgba(199,119,18,.1)); filter: blur(60px); border-radius: 50%; }
.demo-window {
  position: relative; width: 100%; max-width: 500px; border-radius: 20px;
  background: var(--surface); border: 1px solid rgba(255,255,255,.7);
  box-shadow: 0 34px 90px rgba(23,35,45,.2); overflow: hidden; transform: rotate(-1deg);
}
.demo-window-bar { display: flex; align-items: center; gap: 6px; padding: 12px 15px; border-bottom: 1px solid var(--line); background: #fbfaf5; }
.demo-window-bar > span { width: 7px; height: 7px; border-radius: 50%; background: #ddd8ca; }
.demo-window-bar > span:first-child { background: #e4a26b; }
.demo-window-bar > span:nth-child(2) { background: #e8cd86; }
.demo-window-bar > span:nth-child(3) { background: #9fc8b9; }
.demo-window-bar em { font-style: normal; font-size: 10.5px; color: var(--ink-3); margin-left: 6px; font-weight: 600; }
.demo-window-bar small { margin-left: auto; font-size: 9.5px; color: var(--muted); }
.demo-body { padding: 18px; }
.demo-student { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; }
.demo-student > div { display: flex; flex-direction: column; flex: 1; }
.demo-student strong { font-size: 13px; }
.demo-student small { font-size: 10px; color: var(--muted); }
.demo-metrics { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.demo-metrics > div { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 9px 10px; }
.demo-metrics span { display: block; font-size: 9px; color: var(--muted); }
.demo-metrics strong { font-size: 20px; line-height: 1.35; letter-spacing: -.03em; }
.demo-metrics strong small { font-size: 9px; color: var(--muted); font-weight: 400; margin-left: 2px; }
.demo-metrics em { font-style: normal; font-size: 8.5px; color: var(--muted); }
.demo-metrics em.up { color: var(--teal); }
.demo-chart { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 6px 8px 0; }
.demo-chart .chart-head { display: none; }
.demo-chart svg { max-height: 195px; }
.demo-subjects { display: flex; flex-direction: column; gap: 7px; padding: 12px 2px 2px; }
.demo-subjects > div { display: grid; grid-template-columns: 38px 1fr 44px; gap: 8px; align-items: center; }
.demo-subjects span { font-size: 9.5px; color: var(--muted); }
.demo-subjects i { height: 5px; border-radius: 99px; background: linear-gradient(90deg, var(--teal) var(--w), #ebe8df var(--w)); }
.demo-subjects strong { font-size: 9.5px; text-align: right; }
.floating-card {
  position: absolute; display: flex; align-items: center; gap: 9px; background: #fff;
  border: 1px solid rgba(255,255,255,.9); border-radius: 12px; box-shadow: 0 18px 40px rgba(23,35,45,.16);
  padding: 10px 13px; z-index: 3;
}
.floating-card > div { display: flex; flex-direction: column; }
.floating-card strong { font-size: 10.5px; }
.floating-card small { font-size: 9px; color: var(--muted); }
.floating-icon { width: 32px; height: 32px; border-radius: 9px; background: var(--teal-soft); color: var(--teal); display: grid; place-items: center; flex: none; }
.floating-icon.amber { background: var(--amber-soft); color: var(--amber); }
.floating-card .badge { margin-left: 4px; font-size: 8px; }
.float-exam { left: -18px; bottom: 66px; animation: floatA 6s ease-in-out infinite; }
.float-insight { right: -12px; top: 66px; animation: floatB 7s ease-in-out infinite; }
@keyframes floatA { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes floatB { 0%,100% { transform: translateY(0); } 50% { transform: translateY(7px); } }

/* 通用段落 */
.section-heading { max-width: 680px; margin-bottom: 38px; }
.section-heading.centered { margin-left: auto; margin-right: auto; text-align: center; }
.section-heading.split { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; max-width: none; }
.section-heading.split > div { max-width: 650px; }
.section-heading.split > p { max-width: 380px; margin: 0 0 8px; font-size: 13px; line-height: 1.8; }
.section-heading h2 { font-family: var(--font-serif); font-weight: 700; letter-spacing: -.025em; }
.section-heading p.section-sub { font-size: 13.5px; }
.section-kicker.light { color: #a7d8cf; }

/* 痛点 */
.pain-section { padding: 70px 0 80px; border-top: 1px solid var(--line); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain-grid article { background: rgba(255,255,255,.45); border: 1px solid var(--line); border-radius: 16px; padding: 25px; position: relative; }
.pain-number { font-family: var(--font-serif); font-size: 30px; color: #d3cdbd; display: block; margin-bottom: 14px; }
.pain-grid h3 { font-size: 16px; }
.pain-grid p { font-size: 12.5px; line-height: 1.85; margin: 0; }

/* 功能 */
.features-section { padding: 84px 0 92px; background: #fffdf8; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 25px;
  position: relative; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.feature-wide { grid-column: span 2; }
.feature-icon {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: var(--teal-soft); color: var(--teal); margin-bottom: 17px;
}
.feature-icon.amber { background: var(--amber-soft); color: var(--amber); }
.feature-icon.purple { background: var(--purple-soft); color: var(--purple); }
.feature-icon.rose { background: var(--red-soft); color: var(--red); }
.feature-icon.blue { background: var(--blue-soft); color: var(--blue); }
.feature-icon.teal { background: #e2f2ed; color: #1c6f62; }
.feature-card h3 { font-size: 17px; margin-bottom: 7px; }
.feature-card p { font-size: 12.5px; line-height: 1.8; margin-bottom: 0; }
.mini-table { margin-top: 18px; border: 1px solid var(--line); border-radius: 11px; overflow: hidden; background: #fff; }
.mini-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr .8fr .8fr; gap: 6px; padding: 8px 12px; font-size: 10.5px; border-bottom: 1px solid #f0ece3; align-items: center; }
.mini-row:last-child { border-bottom: 0; }
.mini-row.head { background: var(--surface-2); color: var(--muted); font-size: 9.5px; }
.mini-row span { color: var(--ink-3); }
.mini-row strong { font-weight: 600; }
.mini-row em { font-style: normal; color: var(--purple); font-weight: 600; }
.feature-bars { margin-top: 20px; display: flex; flex-direction: column; gap: 9px; }
.feature-bars span {
  position: relative; font-size: 9.5px; color: var(--ink-3); padding: 2px 0 2px 0;
}
.feature-bars span::before { content: ""; display: block; height: 7px; width: var(--w); background: linear-gradient(90deg, var(--teal), #6bb8a8); border-radius: 99px; margin-bottom: 4px; }
.tag-cloud { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 22px; }
.tag-cloud span { font-size: 9.5px; border: 1px solid var(--line); border-radius: 99px; padding: 3px 9px; color: var(--ink-3); background: var(--surface-2); }
.mask-demo { display: flex; align-items: center; gap: 7px; margin-top: 22px; font-size: 10px; }
.mask-demo span { background: #eeeae0; padding: 4px 9px; border-radius: 5px; color: var(--ink-3); }
.mask-demo i { font-style: normal; background: var(--ink); color: var(--ink); border-radius: 4px; padding: 4px 9px; position: relative; }
.mask-demo i::after { content: "林 × ×"; position: absolute; inset: 0; color: rgba(255,255,255,.3); display: grid; place-items: center; letter-spacing: 2px; }
.mask-demo em { font-style: normal; font-size: 9px; color: var(--teal); margin-left: auto; }
.avatar-stack { display: flex; align-items: center; margin-top: 22px; }
.avatar-stack .avatar { border: 2px solid #fff; margin-left: -8px; }
.avatar-stack .avatar:first-child { margin-left: 0; }
.avatar-stack small { margin-left: 10px; font-size: 10px; color: var(--muted); }
.file-chip { display: flex; align-items: center; gap: 7px; margin-top: 22px; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 10.5px; color: var(--ink-3); background: var(--surface-2); }
.file-chip small { margin-left: auto; color: var(--teal); }

/* 报告 */
.report-section { padding: 92px 0; background: linear-gradient(180deg, #f7f3e9, #f1ecdf); }
.report-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.report-copy h2 { font-family: var(--font-serif); }
.report-copy > p { font-size: 13.5px; line-height: 1.9; max-width: 480px; }
.check-list { list-style: none; padding: 0; margin: 22px 0 26px; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; gap: 9px; font-size: 12.5px; line-height: 1.7; color: var(--ink-3); }
.check-list svg { color: var(--teal); margin-top: 2px; flex: none; }
.check-list strong { color: var(--ink-2); }
.report-preview { position: relative; padding: 26px 18px; }
.report-paper {
  background: #fff; border: 1px solid #e7e0d2; border-radius: 8px; padding: 28px 30px;
  box-shadow: 0 30px 70px rgba(23,35,45,.16); transform: rotate(1.2deg);
}
.paper-head { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 2px solid var(--ink); padding-bottom: 14px; }
.paper-head span { font-size: 9.5px; color: var(--teal); letter-spacing: .15em; text-transform: uppercase; display: block; }
.paper-head strong { font-size: 17px; display: block; margin-top: 2px; }
.paper-head em { font-style: normal; font-size: 10px; color: var(--muted); }
.paper-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0; }
.paper-stats > div { border: 1px solid var(--line); border-radius: 7px; padding: 9px; }
.paper-stats span { display: block; font-size: 8.5px; color: var(--muted); }
.paper-stats strong { font-size: 21px; letter-spacing: -.03em; }
.paper-stats em { display: block; font-style: normal; font-size: 8.5px; color: var(--muted); margin-top: 2px; }
.paper-stats em.up { color: var(--teal); }
.paper-chart { border-top: 1px solid var(--line); padding-top: 12px; }
.paper-chart .chart-head { display: none; }
.paper-chart svg { max-height: 180px; }
.paper-note { display: flex; gap: 8px; background: #f7f4ec; border-radius: 7px; padding: 10px; margin-top: 12px; }
.paper-note svg { color: var(--amber); flex: none; margin-top: 1px; }
.paper-note p { margin: 0; font-size: 9.5px; line-height: 1.7; color: var(--ink-3); }
.paper-note strong { color: var(--ink-2); }
.report-stamp {
  position: absolute; right: -8px; bottom: 22px; width: 82px; height: 82px; border-radius: 50%;
  border: 2px solid var(--amber); color: var(--amber); display: grid; place-items: center; text-align: center;
  font-size: 12px; font-weight: 700; line-height: 1.25; background: rgba(245,242,233,.9); transform: rotate(-9deg); letter-spacing: .05em;
}
.report-stamp small { font-size: 8px; font-weight: 400; }

/* 步骤 */
.steps-section { padding: 82px 0; background: #fffdf8; border-bottom: 1px solid var(--line); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.steps-grid > div { padding: 24px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); position: relative; }
.steps-grid > div > span { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: #fff; font-family: var(--font-serif); font-size: 15px; margin-bottom: 16px; }
.steps-grid h3 { font-size: 15px; }
.steps-grid p { margin: 0; font-size: 12px; line-height: 1.75; }
.steps-grid > div:not(:last-child)::after { content: ""; position: absolute; right: -13px; top: 38px; width: 10px; height: 1px; background: var(--line-strong); }

/* 价格 */
.pricing-section { padding: 84px 0; }
.pricing-section.embedded { padding: 10px 0 22px; }
.pricing-section.embedded .section-heading { text-align: left; margin-bottom: 22px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; max-width: 1000px; margin: 0 auto; }
.price-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px;
  position: relative; display: flex; flex-direction: column;
}
.price-card.is-featured { border-color: var(--teal); box-shadow: 0 18px 45px rgba(15,118,110,.13); transform: translateY(-5px); }
.price-ribbon {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--teal); color: #fff; font-size: 9.5px; font-weight: 600; padding: 3px 12px; border-radius: 99px; white-space: nowrap;
}
.price-name { font-size: 13px; font-weight: 700; color: var(--ink-2); letter-spacing: .04em; }
.price { display: flex; align-items: baseline; gap: 3px; margin: 13px 0 8px; }
.price small { font-size: 14px; color: var(--ink-3); }
.price strong { font-family: var(--font-serif); font-size: 44px; line-height: 1; letter-spacing: -.04em; }
.price span { font-size: 11px; color: var(--muted); margin-left: 3px; }
.price-card > p { font-size: 11.5px; color: var(--muted); margin-bottom: 16px; }
.price-card ul { list-style: none; padding: 16px 0; margin: auto 0 18px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 9px; }
.price-card li { font-size: 11.5px; display: flex; align-items: center; gap: 6px; color: var(--ink-3); }
.price-card li svg { color: var(--teal); }
.pricing-note { text-align: center; font-size: 11px; color: var(--muted); margin: 22px 0 0; display: flex; align-items: center; justify-content: center; gap: 6px; flex-wrap: wrap; }

/* 隐私 */
.privacy-section { padding: 76px 0; background: #16252c; color: #fff; }
.privacy-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.privacy-section h2 { font-family: var(--font-serif); color: #fff; }
.privacy-section p { color: rgba(255,255,255,.6); font-size: 13px; line-height: 1.9; }
.privacy-section .section-kicker { color: #8fc9be; }
.privacy-section .text-arrow { color: #a7d8cf; margin-top: 10px; }
.privacy-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.privacy-points > div { border: 1px solid rgba(255,255,255,.13); border-radius: 13px; padding: 18px; background: rgba(255,255,255,.035); }
.privacy-points span { color: #a7d8cf; display: block; margin-bottom: 10px; }
.privacy-points strong { display: block; color: #fff; font-size: 12.5px; margin-bottom: 4px; }
.privacy-points p { font-size: 10.5px; line-height: 1.65; margin: 0; color: rgba(255,255,255,.5); }

/* FAQ */
.faq-section { padding: 82px 0; }
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; align-items: start; }
.faq-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); padding: 17px 0; }
.faq-list summary { cursor: pointer; font-size: 13.5px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--teal); font-size: 20px; line-height: 1; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { font-size: 12.5px; line-height: 1.9; margin: 10px 0 0; padding-right: 28px; }

/* CTA */
.cta-section { background: var(--teal); color: #fff; padding: 70px 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; }
.cta-section h2 { font-family: var(--font-serif); color: #fff; font-size: clamp(30px, 3.6vw, 46px); margin: 0; }
.cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.cta-actions small { font-size: 10px; color: rgba(255,255,255,.6); }

/* 登录页 */
.auth-aside { padding-top: 12px; }
.auth-aside-card { background: #16252c; color: #fff; border-radius: 20px; padding: 32px; position: relative; overflow: hidden; }
.auth-aside-card::after { content: ""; position: absolute; right: -60px; bottom: -60px; width: 180px; height: 180px; border-radius: 50%; border: 1px solid rgba(255,255,255,.16); }
.quote-mark { font-family: var(--font-serif); font-size: 52px; line-height: .8; color: #a7d8cf; display: block; margin-bottom: 12px; }
.auth-aside-card h2 { font-family: var(--font-serif); font-size: 23px; line-height: 1.5; margin-bottom: 12px; }
.auth-aside-card > p { color: rgba(255,255,255,.6); font-size: 12.5px; line-height: 1.8; }
.auth-proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 26px; border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; }
.auth-proof strong { display: block; font-size: 11px; color: #fff; }
.auth-proof span { font-size: 9px; color: rgba(255,255,255,.45); }
.auth-mini-chart { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; margin-top: 18px; padding: 8px 12px 2px; box-shadow: var(--shadow-sm); }
.auth-mini-chart .chart-head { display: none; }
.pay-mock h1 { font-size: 32px; }
.pay-mock .pay-detail { margin: 20px 0; }
.pay-mock .back-link { display: block; text-align: center; margin: 16px 0 0; }

/* 注册 */
.register-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 50px; align-items: start; max-width: 1150px; }
.register-head { padding-top: 30px; position: sticky; top: 110px; }
.register-head h1 { font-family: var(--font-serif); font-size: clamp(34px, 4vw, 48px); line-height: 1.2; }
.register-head > p { font-size: 13px; line-height: 1.9; max-width: 430px; }
.register-benefits { display: flex; flex-direction: column; gap: 13px; margin: 26px 0; }
.register-benefits > div { display: grid; grid-template-columns: 22px 1fr; gap: 2px 8px; align-items: center; }
.register-benefits > div > span { grid-row: span 2; width: 22px; height: 22px; border-radius: 50%; background: var(--teal-soft); color: var(--teal); display: grid; place-items: center; }
.register-benefits strong { font-size: 12.5px; }
.register-benefits small { font-size: 10.5px; color: var(--muted); }
.register-head blockquote { margin: 28px 0 0; border-left: 2px solid var(--amber); padding-left: 14px; font-family: var(--font-serif); font-size: 13px; line-height: 1.8; color: var(--ink-3); }
.register-panel { padding: 32px 36px; }
.form-section-title { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; color: var(--ink-2); margin: 18px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.form-section-title:first-of-type { margin-top: 0; }
.form-section-title span { width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-size: 9px; }
.segmented { display: inline-flex; background: var(--surface-2); border: 1px solid var(--line); border-radius: 9px; padding: 3px; }
.segmented label { cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: inline-flex; padding: 6px 16px; border-radius: 7px; font-size: 12px; color: var(--muted); }
.segmented input:checked + span { background: #fff; color: var(--teal); box-shadow: var(--shadow-sm); font-weight: 600; }
.subject-preview { display: flex; gap: 5px; flex-wrap: wrap; margin: -4px 0 10px; }
.subject-preview span { font-size: 9.5px; border: 1px solid var(--line); padding: 2px 7px; border-radius: 99px; color: var(--ink-3); background: var(--surface-2); }
.subject-preview span.is-scaled { border-color: #e1d8f3; background: var(--purple-soft); color: var(--purple); }
.consent-check { margin: 8px 0 18px; font-size: 11.5px; }

/* 法律页 */
.legal-main { padding: 60px 0 90px; }
.legal-layout { display: grid; grid-template-columns: 250px 1fr; gap: 50px; align-items: start; }
.legal-aside { position: sticky; top: 108px; }
.legal-aside h1 { font-family: var(--font-serif); font-size: 34px; margin-bottom: 7px; }
.legal-aside p { font-size: 11px; color: var(--muted); }
.legal-aside nav { display: flex; flex-direction: column; gap: 2px; margin-top: 24px; border-left: 1px solid var(--line); }
.legal-aside nav a { font-size: 12px; color: var(--ink-3); padding: 6px 0 6px 14px; border-left: 2px solid transparent; margin-left: -1px; }
.legal-aside nav a:hover { color: var(--teal); border-color: var(--teal); }
.legal-content { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 42px 48px; box-shadow: var(--shadow-sm); max-width: 820px; }
.legal-content h2 { font-size: 20px; margin: 32px 0 10px; padding-top: 24px; border-top: 1px solid var(--line); }
.legal-content h2:first-of-type { border-top: 0; padding-top: 0; margin-top: 22px; }
.legal-content p, .legal-content li { font-size: 13px; line-height: 1.95; color: var(--ink-3); }
.legal-content li { margin-bottom: 6px; }
.legal-content strong { color: var(--ink-2); }
.legal-note { display: flex; gap: 10px; background: var(--teal-soft); border: 1px solid #cde6e1; border-radius: 10px; padding: 14px 16px; margin-bottom: 24px; }
.legal-note svg { color: var(--teal); flex: none; margin-top: 2px; }
.legal-note p { margin: 0; font-size: 12px; line-height: 1.8; color: #275f5a; }
.legal-foot { border-top: 1px solid var(--line); margin-top: 34px; padding-top: 16px; font-size: 10.5px; color: var(--muted); }

@media (max-width: 1000px) {
  .hero-grid, .report-grid, .privacy-grid, .faq-grid, .register-grid, .legal-layout { grid-template-columns: 1fr; }
  .hero-visual { min-height: 480px; max-width: 540px; margin: 0 auto; }
  .report-copy { order: 1; }
  .report-preview { order: 2; max-width: 560px; margin: 0 auto; }
  .register-head, .legal-aside { position: static; }
  .register-head { padding-top: 0; }
  .register-benefits { flex-direction: row; flex-wrap: wrap; gap: 18px; }
  .legal-aside nav { flex-direction: row; flex-wrap: wrap; border: 0; margin-top: 14px; }
  .legal-aside nav a { border: 1px solid var(--line); border-radius: 99px; padding: 4px 10px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-wide { grid-column: span 2; }
  .pain-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid > div::after { display: none; }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .price-card.is-featured { transform: none; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .privacy-points { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .public-container { width: calc(100% - 30px); }
  .header-inner { height: 66px; gap: 14px; }
  .public-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 20px 16px; }
  .public-nav.is-open { display: flex; }
  .public-nav a { padding: 10px 0; width: 100%; }
  .public-actions .text-link { display: none; }
  .public-menu-btn { display: grid; margin-left: auto; }
  .hero { padding: 42px 0 52px; }
  .hero h1 { font-size: 38px; }
  .hero-lead { font-size: 14px; }
  .hero-visual { min-height: 420px; }
  .float-exam { left: 0; bottom: 20px; }
  .float-insight { right: 0; top: 16px; }
  .demo-metrics { grid-template-columns: 1fr 1fr 1fr; }
  .feature-grid, .pain-grid, .pricing-grid, .steps-grid, .privacy-points { grid-template-columns: 1fr; }
  .feature-wide { grid-column: auto; }
  .section-heading.split { display: block; }
  .section-heading.split > p { margin-top: 12px; }
  .report-paper { padding: 20px; }
  .report-stamp { right: 0; bottom: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: span 2; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .register-panel, .legal-content { padding: 24px; }
  .auth-aside { display: none; }
  .legal-layout { gap: 24px; }
  .legal-aside h1 { font-size: 28px; }
  .legal-aside nav { display: none; }
}