:root {
  --ink: #28231f;
  --muted: #6f6862;
  --pine: #843b2f;
  --pine-2: #ae503a;
  --mint: #f7e8df;
  --amber: #e99a32;
  --amber-soft: #fff1dc;
  --blue: #47748b;
  --red: #a43d32;
  --paper: #fffdf9;
  --canvas: #f7f3ee;
  --line: #e2d9d1;
  --shadow: 0 20px 50px rgba(66, 42, 30, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.site-shell { min-width: 320px; }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  min-height: 78px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 0 max(28px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid rgba(99,72,58,.14);
  color: var(--ink);
  background: rgba(255,253,249,.94);
  backdrop-filter: blur(10px);
}
.site-brand { display: flex; align-items: center; gap: 11px; min-width: 168px; }
.site-brand img { width: 44px; height: 44px; object-fit: contain; background: var(--amber-soft); border-radius: 6px; padding: 3px; }
.site-brand span { display: flex; flex-direction: column; }
.site-brand strong { font-size: 21px; line-height: 1.15; }
.site-brand small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.site-nav { display: flex; justify-content: center; align-items: center; gap: 28px; }
.site-nav a { position: relative; color: #554c46; font-size: 14px; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--amber); transition: right .2s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.header-login { min-width: 100px; height: 40px; border: 1px solid var(--pine); border-radius: 5px; color: var(--pine); background: transparent; cursor: pointer; }
.header-login:hover { background: var(--pine); color: #fff; }

.site-hero { position: relative; min-height: 720px; height: min(79vh, 800px); overflow: hidden; color: var(--ink); background: #eee8e1; }
.site-hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.site-hero-shade { display: none; }
.site-hero-content { position: relative; z-index: 1; width: min(1240px, calc(100% - 56px)); margin: 0 auto; padding-top: 160px; }
.site-hero-content > * { max-width: 450px; }
.site-kicker { margin: 0 0 18px; color: var(--amber); font-size: 14px; font-weight: 700; letter-spacing: 0; }
.site-hero h1 { margin: 0; font-size: clamp(58px, 7vw, 104px); line-height: .95; letter-spacing: 0; }
.hero-statement { margin: 22px 0 18px; font-family: Georgia, "Songti SC", serif; font-size: clamp(30px, 3.1vw, 48px); font-weight: 700; line-height: 1.24; }
.site-hero-lead { margin: 0; color: #5f5751; font-size: 17px; line-height: 1.9; }
.site-hero-actions { display: flex; gap: 12px; margin-top: 30px; }
.site-primary-button, .site-secondary-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 24px; border-radius: 5px; font-weight: 700; cursor: pointer; }
.site-primary-button { border: 1px solid var(--amber); color: #2f2517; background: var(--amber); }
.site-primary-button:hover { background: #f6b65f; border-color: #f6b65f; }
.site-secondary-button { border: 1px solid rgba(132,59,47,.48); color: var(--pine); background: rgba(255,255,255,.34); }
.site-secondary-button:hover { background: rgba(255,255,255,.72); }
.site-promises { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 28px; color: #625952; font-size: 13px; }
.site-promises span::before { content: ""; display: inline-block; width: 5px; height: 5px; margin: 0 8px 2px 0; border-radius: 50%; background: var(--amber); }

.quick-proof { position: relative; z-index: 2; width: min(1240px, calc(100% - 56px)); min-height: 116px; display: grid; grid-template-columns: repeat(4, 1fr); margin: -58px auto 0; background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--amber); box-shadow: var(--shadow); }
.quick-proof div { display: flex; flex-direction: column; justify-content: center; padding: 22px 30px; border-right: 1px solid var(--line); }
.quick-proof div:last-child { border-right: 0; }
.quick-proof b { font-size: 16px; }
.quick-proof span { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.55; }

.section-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.report-band, .features-band, .agreement-band, .steps-band { padding: 104px 0; }
.report-band { padding-top: 140px; background: #fff; }
.section-heading h2, .report-copy h2, .agreement-copy h2, .safety-layout h2, .closing-layout h2 { margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(34px, 4vw, 54px); line-height: 1.22; letter-spacing: 0; }
.section-lead, .section-heading > p, .safety-layout > div > p, .closing-layout p { color: var(--muted); font-size: 16px; line-height: 1.85; }

.report-layout { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 90px; }
.report-copy .section-lead { max-width: 450px; margin: 24px 0 0; }
.plain-checks { list-style: none; margin: 28px 0 0; padding: 0; }
.plain-checks li { display: flex; align-items: flex-start; gap: 12px; margin-top: 14px; color: #514a45; font-size: 14px; line-height: 1.65; }
.plain-checks span { flex: 0 0 auto; width: 8px; height: 8px; margin-top: 7px; border: 2px solid var(--pine-2); border-radius: 50%; }
.daily-report { border: 1px solid #ddd3ca; border-radius: 8px; background: #fff; box-shadow: 0 26px 62px rgba(83, 50, 34, .13); overflow: hidden; }
.report-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 24px 28px; border-bottom: 1px solid var(--line); background: #fbf8f4; }
.report-toolbar div { display: flex; flex-direction: column; gap: 5px; }
.report-toolbar small { color: var(--muted); }
.report-toolbar strong { font-size: 18px; }
.online-badge { color: var(--pine-2); font-size: 12px; font-weight: 700; }
.online-badge::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: #2da57d; }
.report-summary { display: grid; grid-template-columns: 116px 1fr; align-items: center; gap: 24px; padding: 28px; border-bottom: 1px solid var(--line); }
.score-ring { width: 104px; height: 104px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 9px solid #eee2d9; border-top-color: var(--pine-2); border-right-color: var(--amber); border-radius: 50%; }
.score-ring strong { font-size: 19px; }
.score-ring span { margin-top: 4px; color: var(--muted); font-size: 11px; }
.summary-copy b { font-size: 19px; }
.summary-copy p { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.usage-list { padding: 10px 28px; }
.usage-list > div { position: relative; display: grid; grid-template-columns: 12px 1fr auto; align-items: center; gap: 10px; padding: 17px 0 21px; border-bottom: 1px solid #edf0ee; }
.usage-list > div:last-child { border-bottom: 0; }
.usage-list b { font-size: 14px; }
.usage-list em { font-style: normal; font-size: 14px; }
.usage-list i { position: absolute; left: 22px; right: 0; bottom: 11px; height: 4px; border-radius: 4px; background: #eee9e4; overflow: hidden; }
.usage-list i::after { content: ""; display: block; width: var(--value); height: 100%; background: var(--pine-2); }
.usage-mark { width: 9px; height: 9px; border-radius: 2px; }
.usage-mark.study { background: var(--pine-2); }
.usage-mark.play { background: var(--amber); }
.usage-mark.call { background: var(--blue); }
.usage-list > div:nth-child(2) i::after { background: var(--amber); }
.usage-list > div:nth-child(3) i::after { background: var(--blue); }
.report-note { display: flex; align-items: center; gap: 16px; margin: 0 28px 28px; padding: 16px 18px; background: var(--amber-soft); border-left: 4px solid var(--amber); }
.report-note > span { font-weight: 800; }
.report-note p { display: flex; flex-direction: column; margin: 0; }
.report-note b { font-size: 13px; }
.report-note small { margin-top: 4px; color: #786044; }

.features-band { background: var(--canvas); }
.split-heading { display: grid; grid-template-columns: 1fr .8fr; align-items: end; gap: 80px; margin-bottom: 48px; }
.split-heading p { margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #d9cfc7; border-left: 1px solid #d9cfc7; }
.feature-grid article { min-height: 270px; padding: 34px 38px; border-right: 1px solid #d9cfc7; border-bottom: 1px solid #d9cfc7; background: #fff; }
.feature-index { color: var(--amber); font-size: 13px; font-weight: 800; }
.feature-grid h3 { margin: 38px 0 12px; font-size: 23px; }
.feature-grid p { min-height: 56px; margin: 0; color: var(--muted); line-height: 1.75; }
.feature-grid strong { display: block; margin-top: 24px; color: var(--pine-2); font-size: 12px; }

.agreement-band { background: #fff; }
.agreement-layout { display: grid; grid-template-columns: 1fr .86fr; align-items: center; gap: 100px; }
.agreement-copy .section-lead { max-width: 520px; margin: 20px 0 0; }
.agreement-steps { list-style: none; margin: 34px 0 0; padding: 0; }
.agreement-steps li { display: grid; grid-template-columns: 38px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); }
.agreement-steps li:last-child { border-bottom: 1px solid var(--line); }
.agreement-steps > li > span { width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--pine-2); border-radius: 50%; color: var(--pine-2); font-size: 12px; font-weight: 800; }
.agreement-steps strong { font-size: 15px; }
.agreement-steps p { margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.request-preview { border: 1px solid #ded3ca; border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; }
.request-head { display: flex; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--line); background: var(--pine); color: #fff; }
.request-head small { color: rgba(255,255,255,.65); }
.child-line { display: grid; grid-template-columns: 54px 1fr; gap: 15px; align-items: center; padding: 26px 26px 18px; }
.child-line img { width: 54px; height: 54px; object-fit: contain; padding: 4px; border: 1px solid var(--line); border-radius: 50%; }
.child-line p { display: flex; flex-direction: column; margin: 0; }
.child-line b { font-size: 18px; }
.child-line small { margin-top: 7px; color: var(--muted); line-height: 1.55; }
.request-preview dl { margin: 0 26px; border-top: 1px solid var(--line); }
.request-preview dl div { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #edf0ee; }
.request-preview dt { color: var(--muted); font-size: 13px; }
.request-preview dd { margin: 0; font-size: 13px; font-weight: 700; }
.request-actions { display: grid; grid-template-columns: 1fr 1.25fr; gap: 10px; padding: 24px 26px 12px; }
.request-actions button { min-height: 44px; border: 1px solid var(--line); border-radius: 5px; background: #fff; cursor: default; }
.request-actions button:last-child { border-color: var(--pine-2); color: #fff; background: var(--pine-2); }
.request-safe { margin: 0; padding: 0 26px 24px; color: var(--muted); font-size: 11px; text-align: center; }

.safety-band { padding: 96px 0; color: #fff; background: var(--pine); }
.safety-band .site-kicker { color: #f6b75f; }
.safety-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.safety-layout > div > p:last-child { margin-top: 24px; color: rgba(255,255,255,.68); }
.safety-list { display: grid; grid-template-columns: repeat(2,1fr); border-left: 1px solid rgba(255,255,255,.22); border-top: 1px solid rgba(255,255,255,.22); }
.safety-list article { min-height: 150px; padding: 28px; border-right: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
.safety-list b { color: #fff; font-size: 17px; }
.safety-list p { margin: 12px 0 0; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.7; }

.steps-band { background: #fff; }
.centered-heading { max-width: 720px; margin: 0 auto 54px; text-align: center; }
.centered-heading > p:last-child { margin-bottom: 0; }
.steps-list { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.steps-list li { min-height: 190px; padding: 30px 32px; border-right: 1px solid var(--line); }
.steps-list li:last-child { border-right: 0; }
.steps-list span { color: var(--amber); font-size: 13px; font-weight: 800; }
.steps-list strong { display: block; margin-top: 34px; font-size: 20px; }
.steps-list p { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.closing-band { padding: 76px 0; background: var(--amber-soft); border-top: 1px solid #efd9b7; }
.closing-layout { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 50px; }
.closing-layout .site-kicker { margin-bottom: 12px; }
.closing-layout h2 { font-size: clamp(32px, 3.4vw, 46px); }
.closing-layout p:last-child { max-width: 760px; margin-bottom: 0; color: #76634a; }
.closing-layout .site-primary-button { min-width: 176px; color: #fff; background: var(--pine); border-color: var(--pine); }

.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 26px 40px; align-items: center; padding: 40px max(28px, calc((100vw - 1180px) / 2)); color: rgba(255,255,255,.75); background: #35241f; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 46px; height: 46px; padding: 3px; border-radius: 5px; background: #fff; }
.footer-brand div { display: flex; flex-direction: column; }
.footer-brand strong { color: #fff; font-size: 19px; }
.footer-brand small { margin-top: 5px; }
.footer-links { display: flex; gap: 24px; font-size: 13px; }
.site-footer > p { grid-column: 1 / -1; margin: 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.13); font-size: 12px; }
.site-footer a:hover { color: #fff; }

.login-dialog { width: min(500px, calc(100% - 24px)); padding: 0; border: 0; border-radius: 8px; color: var(--ink); background: transparent; }
.login-dialog::backdrop { background: rgba(39,25,20,.68); backdrop-filter: blur(4px); }
.login-panel { position: relative; margin: 0; padding: 34px 36px 30px; background: #fff; box-shadow: var(--shadow); }
.dialog-close { position: absolute; top: 18px; right: 18px; width: 34px; height: 34px; border: 0; color: var(--muted); background: transparent; font-size: 26px; cursor: pointer; }
.dialog-heading { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; padding-right: 30px; }
.dialog-brand { flex: 0 0 auto; width: 48px; height: 48px; padding: 3px; border-radius: 6px; background: var(--amber-soft); }
.dialog-brand img { width: 100%; height: 100%; object-fit: contain; }
.dialog-heading h2 { margin: 0; font-size: 25px; }
.dialog-heading p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.login-panel label { display: block; margin-top: 16px; }
.login-panel label > span:first-child { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 700; }
.login-panel input { width: 100%; height: 48px; padding: 0 14px; border: 1px solid #cbd5d0; border-radius: 5px; outline: none; }
.login-panel input:focus { border-color: var(--pine-2); box-shadow: 0 0 0 3px rgba(174,80,58,.13); }
.code-field { display: grid !important; grid-template-columns: 1fr 132px; gap: 10px; margin: 0 !important; }
.code-field button { border: 1px solid #bfd2cb; border-radius: 5px; color: var(--pine-2); background: var(--mint); font-weight: 700; cursor: pointer; }
.login-submit { width: 100%; margin-top: 24px; color: #fff; background: var(--pine-2); border-color: var(--pine-2); }
.login-consent { color: var(--muted); font-size: 11px; text-align: center; }
.login-consent a { color: var(--pine-2); font-weight: 700; }
.login-status { min-height: 18px; margin: 12px 0 0; color: var(--pine-2); font-size: 13px; text-align: center; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; padding: 0 24px; }
  .site-nav { display: none; }
  .site-brand { min-width: 0; }
  .site-hero { min-height: 0; height: auto; display: grid; grid-template-rows: minmax(410px, 56vh) auto; padding-top: 78px; overflow: visible; background: var(--paper); }
  .site-hero-image { position: relative; grid-row: 1; height: 100%; object-position: 68% center; }
  .site-hero-content { grid-row: 2; width: min(720px, calc(100% - 48px)); padding: 48px 0 58px; }
  .site-hero-content > * { max-width: 620px; }
  .quick-proof { grid-template-columns: repeat(2, 1fr); }
  .quick-proof div:nth-child(2) { border-right: 0; }
  .quick-proof div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .report-layout, .agreement-layout, .safety-layout { grid-template-columns: 1fr; gap: 54px; }
  .report-copy .section-lead { max-width: none; }
  .split-heading { grid-template-columns: 1fr; gap: 20px; }
  .safety-layout { gap: 42px; }
}

@media (max-width: 640px) {
  .site-header { min-height: 66px; padding: 0 16px; }
  .site-brand img { width: 38px; height: 38px; }
  .site-brand strong { font-size: 18px; }
  .site-brand small { display: none; }
  .header-login { min-width: 84px; height: 38px; }
  .site-hero { grid-template-rows: 360px auto; padding-top: 66px; }
  .site-hero-image { object-position: 67% center; }
  .site-hero-content { width: calc(100% - 36px); padding: 36px 0 44px; }
  .site-hero h1 { font-size: 58px; }
  .hero-statement { font-size: 31px; }
  .site-hero-lead { font-size: 15px; line-height: 1.75; }
  .site-hero-actions { display: grid; grid-template-columns: 1fr; }
  .site-promises { gap: 8px 14px; margin-top: 22px; font-size: 11px; }
  .quick-proof { width: calc(100% - 24px); grid-template-columns: 1fr; margin-top: -34px; }
  .quick-proof div { min-height: 80px; padding: 16px 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .quick-proof div:last-child { border-bottom: 0; }
  .quick-proof b { font-size: 15px; }
  .quick-proof span { margin-top: 4px; }
  .section-inner { width: calc(100% - 32px); }
  .report-band, .features-band, .agreement-band, .steps-band { padding: 72px 0; }
  .report-band { padding-top: 94px; }
  .section-heading h2, .report-copy h2, .agreement-copy h2, .safety-layout h2, .closing-layout h2 { font-size: 34px; }
  .daily-report { border-radius: 6px; }
  .report-toolbar, .usage-list { padding-left: 18px; padding-right: 18px; }
  .report-summary { grid-template-columns: 82px 1fr; gap: 15px; padding: 22px 18px; }
  .score-ring { width: 76px; height: 76px; border-width: 7px; }
  .score-ring strong { font-size: 15px; }
  .summary-copy b { font-size: 16px; }
  .summary-copy p { font-size: 12px; }
  .report-note { margin: 0 18px 18px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: auto; padding: 28px 24px; }
  .feature-grid h3 { margin-top: 24px; }
  .feature-grid p { min-height: 0; }
  .request-actions { grid-template-columns: 1fr; }
  .safety-band { padding: 72px 0; }
  .safety-list { grid-template-columns: 1fr; }
  .safety-list article { min-height: 120px; }
  .steps-list { grid-template-columns: 1fr; }
  .steps-list li { min-height: 150px; border-right: 0; border-bottom: 1px solid var(--line); }
  .steps-list li:last-child { border-bottom: 0; }
  .steps-list strong { margin-top: 20px; }
  .closing-band { padding: 60px 0; }
  .closing-layout { grid-template-columns: 1fr; gap: 28px; }
  .closing-layout .site-primary-button { width: 100%; }
  .site-footer { grid-template-columns: 1fr; padding: 34px 20px; }
  .footer-links { flex-wrap: wrap; }
  .login-panel { padding: 30px 22px 24px; }
  .code-field { grid-template-columns: 1fr 116px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}