:root {
  --paper: #fffaf5;
  --surface: #ffffff;
  --ink: #27211d;
  --muted: #756b64;
  --line: #eadfd6;
  --orange: #ef733d;
  --orange-dark: #c94f20;
  --peach: #ffd9c2;
  --soft: #fff0e5;
  --shadow: 0 24px 70px rgba(102, 65, 42, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }

.site-header { background: rgba(255, 250, 245, .9); border-bottom: 1px solid rgba(234, 223, 214, .78); backdrop-filter: blur(14px); }
.header-inner { min-height: 80px; display: flex; align-items: center; gap: 34px; }
.wordmark { display: flex; align-items: center; gap: 12px; }
.wordmark-dot { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; background: var(--orange); border-radius: 50%; font-size: 17px; font-weight: 700; }
.wordmark > span:last-child { display: grid; gap: 2px; }
.wordmark strong { font-size: 16px; letter-spacing: .08em; }
.wordmark small { color: var(--muted); font-size: 10px; letter-spacing: .14em; }
.header-inner nav { margin-left: auto; display: flex; gap: 28px; color: #5e554f; font-size: 13px; }
.header-inner nav a, .text-link { transition: color .2s ease; }
.header-inner nav a:hover, .text-link:hover { color: var(--orange-dark); }
.text-link { padding-left: 25px; border-left: 1px solid var(--line); font-size: 12px; font-weight: 650; }

.hero { min-height: 720px; padding: 82px 34px 72px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.eyebrow { color: var(--orange-dark); font-size: 11px; font-weight: 700; letter-spacing: .18em; }
.hero h1 { margin: 24px 0; max-width: 620px; font-size: clamp(48px, 6.4vw, 76px); line-height: 1.13; letter-spacing: -.055em; }
.hero h1 em { display: block; margin-top: 11px; color: var(--orange); font-size: .62em; font-style: normal; letter-spacing: -.035em; }
.hero-copy > p { max-width: 610px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.hero-actions { margin-top: 32px; display: flex; gap: 12px; }
.button { min-width: 142px; padding: 14px 20px; border: 1px solid var(--line); border-radius: 999px; text-align: center; font-size: 13px; font-weight: 650; }
.button.primary { border-color: var(--orange); color: #fff; background: var(--orange); }
.button.ghost { background: #fff; }
.button:hover { transform: translateY(-1px); }
.quick-points { margin: 32px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 18px; color: #665b54; list-style: none; font-size: 12px; }
.quick-points li { display: flex; align-items: center; gap: 7px; }.quick-points span { color: var(--orange); }

.hero-visual { min-height: 570px; position: relative; display: grid; place-items: center; }
.peach-disc { width: 470px; height: 470px; position: absolute; border-radius: 50%; background: var(--peach); }
.phone-card { width: 288px; height: 585px; padding: 10px; position: relative; overflow: hidden; border: 2px solid #332d29; border-radius: 48px; background: #171411; box-shadow: var(--shadow); transform: rotate(3deg); }
.phone-card img { width: 100%; height: 100%; border-radius: 38px; object-fit: cover; }
.phone-speaker { width: 84px; height: 22px; position: absolute; z-index: 2; top: 19px; left: 50%; border-radius: 999px; background: #15120f; transform: translateX(-50%); }
.floating-note { position: absolute; z-index: 3; padding: 12px 17px; border: 1px solid rgba(239, 115, 61, .18); border-radius: 999px; background: rgba(255, 255, 255, .94); box-shadow: 0 12px 35px rgba(97, 64, 43, .11); color: #5d5148; font-size: 12px; font-weight: 650; }
.note-one { top: 82px; right: 0; }.note-two { bottom: 74px; left: 5px; }

.intro-strip { border-block: 1px solid var(--line); background: #fff; }
.strip-grid { min-height: 126px; display: grid; grid-template-columns: repeat(3, 1fr); }
.strip-grid p { margin: 0; padding: 28px 36px; display: flex; align-items: center; gap: 20px; border-right: 1px solid var(--line); }
.strip-grid p:first-child { border-left: 1px solid var(--line); }
.strip-grid strong { color: var(--orange); font-size: 12px; }.strip-grid span { display: grid; gap: 6px; font-size: 15px; font-weight: 650; }.strip-grid small { color: var(--muted); font-size: 11px; font-weight: 400; }

.section { padding: 130px 0 120px; scroll-margin-top: 24px; }
.section-heading { max-width: 700px; margin-bottom: 60px; }
.section-heading h2, .faq-intro h2, .contact-section h2 { margin: 16px 0 14px; font-size: clamp(34px, 4.8vw, 52px); line-height: 1.23; letter-spacing: -.045em; }
.section-heading p, .faq-intro p, .contact-section > div:first-child p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }

.screen-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-items: start; }
.screen-story.offset { margin-top: 60px; }
.screen-frame { aspect-ratio: 828 / 1540; padding: 10px 10px 0; overflow: hidden; border: 1px solid #ead9cc; border-radius: 34px; background: #2d2926; box-shadow: 0 22px 55px rgba(91, 62, 43, .11); }
.screen-frame img { width: 100%; border-radius: 25px 25px 0 0; }
.screen-story > span { display: block; margin-top: 25px; color: var(--orange-dark); font-size: 10px; font-weight: 700; letter-spacing: .18em; }
.screen-story h3 { margin: 12px 0 9px; font-size: 21px; letter-spacing: -.025em; }
.screen-story p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

.faq-section { padding: 115px 0; background: #f6eee7; scroll-margin-top: 24px; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 85px; align-items: start; }
.faq-intro { position: sticky; top: 42px; }
.faq-list { border-top: 1px solid #d8c8bc; }
details { border-bottom: 1px solid #d8c8bc; }
summary { min-height: 82px; display: grid; grid-template-columns: 1fr 28px; gap: 16px; align-items: center; cursor: pointer; list-style: none; font-size: 15px; font-weight: 650; }
summary::-webkit-details-marker { display: none; }
summary span { color: var(--orange-dark); font-size: 21px; font-weight: 400; transition: transform .2s ease; }
details[open] summary span { transform: rotate(45deg); }
details p { margin: -4px 40px 25px 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

.contact-section { margin-block: 110px; padding: 62px; display: grid; grid-template-columns: 1fr 1fr; gap: 78px; align-items: center; border: 1px solid var(--line); border-radius: 34px; background: #fff; box-shadow: 0 24px 70px rgba(103, 72, 50, .07); scroll-margin-top: 24px; }
.contact-card { padding: 28px; border-radius: 24px; background: var(--soft); }
.contact-card small { color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.contact-card > a:not(.privacy-card-link) { display: block; margin: 10px 0 8px; color: var(--orange-dark); font-size: clamp(17px, 2.5vw, 23px); font-weight: 700; word-break: break-all; }
.contact-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.privacy-card-link { margin-top: 24px; padding-top: 20px; display: flex; justify-content: space-between; border-top: 1px solid #e8d3c4; font-size: 13px; font-weight: 650; }

.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner { min-height: 110px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: var(--muted); font-size: 10px; }
.footer-inner p { margin: 0; display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-inner strong { color: var(--ink); font-size: 13px; }.footer-inner a { color: var(--orange-dark); }

/* 隐私政策页 */
.policy-page { background: #f8f2ec; }
.policy-hero { padding: 72px 0 54px; border-bottom: 1px solid var(--line); background: #fffaf5; }
.policy-hero h1 { margin: 16px 0 12px; font-size: clamp(40px, 6vw, 64px); letter-spacing: -.05em; }
.policy-hero p { margin: 0; color: var(--muted); font-size: 13px; }
.policy-layout { padding: 54px 0 100px; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; align-items: start; }
.policy-toc { position: sticky; top: 26px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.policy-toc strong { display: block; margin-bottom: 13px; font-size: 12px; }.policy-toc a { display: block; padding: 7px 0; color: var(--muted); font-size: 11px; line-height: 1.5; }.policy-toc a:hover { color: var(--orange-dark); }
.policy-content { padding: 50px 58px; border: 1px solid var(--line); border-radius: 24px; background: #fff; }
.policy-notice { margin: 0 0 28px; padding: 18px 20px; border-left: 4px solid var(--orange); border-radius: 10px; background: var(--soft); color: #4c4038; font-size: 13px; line-height: 1.8; }
.policy-content h2 { margin: 44px 0 14px; padding-bottom: 11px; border-bottom: 1px solid var(--line); font-size: 23px; scroll-margin-top: 26px; }
.policy-content h2:first-of-type { margin-top: 0; }.policy-content h3 { margin: 27px 0 10px; font-size: 17px; }
.policy-content p, .policy-content li { color: #625851; font-size: 13px; line-height: 1.95; text-align: justify; }
.policy-content ul { padding-left: 1.5em; }.policy-content strong { color: var(--ink); }.policy-content a { color: var(--orange-dark); text-decoration: underline; text-underline-offset: 3px; }
.policy-back { display: inline-flex; align-items: center; gap: 7px; margin-top: 35px; color: var(--orange-dark); font-size: 13px; font-weight: 650; }

@media (max-width: 860px) {
  .header-inner nav { display: none; }.text-link { margin-left: auto; }
  .hero { grid-template-columns: 1fr; padding-top: 65px; }.hero-copy { text-align: center; }.hero-copy > p { margin-inline: auto; }.hero-actions, .quick-points { justify-content: center; }.hero-visual { min-height: 620px; }
  .screen-grid { gap: 18px; }.screen-story.offset { margin-top: 35px; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }.faq-intro { position: static; }
  .contact-section { gap: 38px; }
  .policy-layout { grid-template-columns: 1fr; }.policy-toc { position: static; display: grid; grid-template-columns: repeat(2, 1fr); }.policy-toc strong { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 28px, 1120px); }
  .header-inner { min-height: 68px; }.wordmark-dot { width: 38px; height: 38px; }.text-link { padding-left: 13px; }.wordmark small { display: none; }
  .hero { min-height: auto; padding: 48px 5px 55px; gap: 44px; }.hero h1 { font-size: 44px; }.hero h1 em { font-size: .58em; }.hero-actions { flex-direction: column; }.button { width: 100%; }.quick-points { gap: 12px; font-size: 11px; }
  .hero-visual { min-height: 550px; }.peach-disc { width: 340px; height: 340px; }.phone-card { width: 250px; height: 507px; }.note-one { top: 50px; right: -3px; }.note-two { bottom: 35px; }
  .strip-grid { grid-template-columns: 1fr; padding: 12px 0; }.strip-grid p, .strip-grid p:first-child { border: 0; border-bottom: 1px solid var(--line); }.strip-grid p:last-child { border-bottom: 0; }
  .section { padding: 88px 0; }.section-heading { margin-bottom: 42px; }.screen-grid { grid-template-columns: 1fr; gap: 62px; }.screen-story, .screen-story.offset { width: min(340px, 100%); margin: 0 auto; }
  .faq-section { padding: 82px 0; }
  .contact-section { margin-block: 75px; padding: 34px 24px; grid-template-columns: 1fr; border-radius: 26px; }.contact-card { padding: 22px; }
  .footer-inner { padding: 30px 0; flex-direction: column; align-items: flex-start; }
  .policy-hero { padding: 48px 0 40px; }.policy-layout { padding: 28px 0 70px; gap: 24px; }.policy-toc { grid-template-columns: 1fr 1fr; padding: 18px; }.policy-content { padding: 30px 20px; border-radius: 18px; }.policy-content h2 { font-size: 20px; }.policy-content p, .policy-content li { text-align: left; }
}

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