:root {
  --ink: #102724;
  --ink-deep: #071b19;
  --jade: #174b43;
  --jade-soft: #50766c;
  --paper: #f3ecdc;
  --paper-light: #faf6ed;
  --paper-dark: #dfd3b9;
  --gold: #bd9651;
  --gold-pale: #d9bf82;
  --cinnabar: #a83f2e;
  --charcoal: #262b28;
  --muted: #69716b;
  --line: rgba(16, 39, 36, 0.18);
  --shadow: 0 28px 70px rgba(4, 19, 17, 0.16);
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --display: "STKaiti", "KaiTi", "FangSong", serif;
  --sans: "Microsoft YaHei", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 12%, rgba(189, 150, 81, 0.08), transparent 23rem),
    linear-gradient(90deg, rgba(16, 39, 36, 0.025) 1px, transparent 1px),
    var(--paper-light);
  background-size: auto, 28px 28px, auto;
  font-family: var(--serif);
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--paper-light);
  color: var(--ink);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: 76px;
  padding: 0 clamp(22px, 5vw, 76px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: var(--paper-light);
  background: rgba(7, 27, 25, 0.88);
  border-bottom: 1px solid rgba(217, 191, 130, 0.22);
  backdrop-filter: blur(18px);
}

.brand {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-mark {
  padding: 2px 7px;
  color: var(--gold-pale);
  border: 1px solid currentColor;
  font-family: var(--display);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.18em;
}
.brand-name { font-family: var(--display); font-size: 22px; letter-spacing: 0.14em; }
.site-header nav { display: flex; gap: clamp(22px, 3.5vw, 52px); }
.site-header nav a,
.header-contact {
  position: relative;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.14em;
}
.site-header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--gold-pale);
  transition: right 0.25s ease;
}
.site-header nav a:hover::after,
.site-header nav a:focus-visible::after { right: 0; }
.header-contact { justify-self: end; padding: 8px 14px; border: 1px solid rgba(217, 191, 130, 0.55); }

.hero {
  position: relative;
  min-height: 100svh;
  padding: 130px clamp(22px, 8vw, 138px) 80px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.62fr);
  gap: clamp(50px, 8vw, 140px);
  align-items: center;
  overflow: hidden;
  color: var(--paper-light);
  background:
    linear-gradient(100deg, rgba(7, 27, 25, 0.98) 0%, rgba(10, 44, 39, 0.96) 58%, rgba(23, 75, 67, 0.9) 100%),
    var(--ink-deep);
}
.hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -42%;
  width: 70vw;
  aspect-ratio: 1;
  border: 1px solid rgba(217, 191, 130, 0.09);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(217, 191, 130, 0.025), 0 0 0 180px rgba(217, 191, 130, 0.02);
}
.hero-copy, .hero-visual { position: relative; z-index: 2; }
.eyebrow, .section-index {
  margin: 0 0 24px;
  color: var(--gold-pale);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  max-width: 760px;
  font-family: var(--display);
  font-size: clamp(76px, 10vw, 160px);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.hero h1 span {
  display: block;
  margin-left: -0.08em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(217, 191, 130, 0.72);
  font-size: 0.45em;
  letter-spacing: 0.35em;
  line-height: 1.3;
}
.hero-verse {
  margin: 34px 0 20px;
  padding-left: 22px;
  border-left: 2px solid var(--cinnabar);
  color: #efe2c3;
  font-family: var(--display);
  font-size: clamp(22px, 2.1vw, 34px);
  line-height: 1.55;
  letter-spacing: 0.08em;
}
.hero-intro { max-width: 570px; margin: 0; color: rgba(250, 246, 237, 0.7); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.button {
  min-height: 48px;
  padding: 12px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0;
  text-decoration: none;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--cinnabar); color: #fff8ed; box-shadow: 0 12px 32px rgba(123, 39, 28, 0.28); }
.button-primary:hover { background: #bd4936; box-shadow: 0 16px 38px rgba(123, 39, 28, 0.34); }
.button-quiet { color: var(--paper-light); border: 1px solid rgba(217, 191, 130, 0.45); }
.button-quiet:hover { color: var(--ink-deep); background: var(--gold-pale); }
.hero-note { max-width: 560px; margin: 22px 0 0; color: rgba(250, 246, 237, 0.48); font-size: 12px; }

.hero-visual { width: min(100%, 520px); justify-self: end; }
.poster-frame {
  position: relative;
  height: min(66vh, 720px);
  padding: 10px;
  overflow: hidden;
  background: var(--gold-pale);
  box-shadow: 0 36px 86px rgba(0, 0, 0, 0.36);
  transform: rotate(1.2deg);
}
.poster-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center top; filter: saturate(0.82) contrast(0.96); }
.poster-caption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  padding: 8px 10px;
  background: rgba(7, 27, 25, 0.9);
  color: var(--gold-pale);
  font-size: 12px;
  letter-spacing: 0.24em;
  writing-mode: vertical-rl;
}
.vertical-seal {
  position: absolute;
  left: -38px;
  bottom: 52px;
  padding: 12px 9px;
  color: var(--gold-pale);
  border: 1px solid rgba(217, 191, 130, 0.55);
  background: var(--ink-deep);
  font-family: var(--display);
  font-size: 17px;
  letter-spacing: 0.18em;
  line-height: 1.4;
  writing-mode: vertical-rl;
}
.hero-orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(217, 191, 130, 0.08); }
.hero-orbit-one { width: 450px; height: 450px; left: -220px; top: 20%; }
.hero-orbit-two { width: 260px; height: 260px; left: 36%; top: -120px; }
.scroll-cue {
  position: absolute;
  left: clamp(22px, 8vw, 138px);
  bottom: 28px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(250, 246, 237, 0.45);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
}
.scroll-cue span { width: 32px; height: 1px; background: var(--gold); }

.section { padding: clamp(90px, 10vw, 150px) clamp(22px, 8vw, 138px); }
.section-heading { max-width: 790px; }
.section-heading h2,
.teacher-copy h2,
.inquiry-intro h2,
.contact-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(44px, 5.4vw, 80px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.03em;
}
.section-heading > p:last-child { max-width: 650px; margin: 28px 0 0; color: var(--muted); font-size: 17px; }
.course { background: var(--paper-light); }
.course-path { margin-top: 80px; border-top: 1px solid var(--line); }
.path-step {
  display: grid;
  grid-template-columns: minmax(110px, 0.32fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 90px);
  padding: 52px 0;
  border-bottom: 1px solid var(--line);
}
.path-number {
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  font-family: Georgia, serif;
  font-size: clamp(60px, 7vw, 106px);
  font-style: italic;
  line-height: 0.9;
}
.path-kicker, .detail-label { margin: 0 0 7px; color: var(--cinnabar); font-family: var(--sans); font-size: 12px; font-weight: 700; letter-spacing: 0.2em; }
.path-step h3 { margin: 0 0 10px; font-family: var(--display); font-size: clamp(28px, 3vw, 44px); font-weight: 400; }
.path-step div > p:not(.path-kicker) { max-width: 760px; margin: 0; color: var(--muted); }
.path-step ul { margin: 20px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.path-step li { padding: 6px 12px; border: 1px solid rgba(23, 75, 67, 0.2); color: var(--jade); font-size: 13px; }

.course-details {
  margin-top: 100px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 0;
  color: var(--paper-light);
  background: var(--ink);
  box-shadow: var(--shadow);
}
.course-promise { padding: clamp(36px, 5vw, 70px); }
.course-promise h3 { margin: 0 0 32px; font-family: var(--display); font-size: 40px; font-weight: 400; }
.course-promise ol { margin: 0; padding: 0; list-style: none; counter-reset: modules; }
.course-promise li {
  counter-increment: modules;
  padding: 15px 0 15px 48px;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.6fr);
  gap: 18px;
  align-items: baseline;
  border-top: 1px solid rgba(217, 191, 130, 0.16);
}
.course-promise li::before { content: "0" counter(modules); position: absolute; left: 0; color: var(--gold-pale); font-family: Georgia, serif; }
.course-promise li span { font-family: var(--display); font-size: 21px; }
.course-promise li small { color: rgba(250, 246, 237, 0.5); font-size: 12px; }
.boundary-note {
  padding: clamp(36px, 5vw, 70px);
  color: var(--ink);
  background: var(--gold-pale);
}
.boundary-symbol {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  font-family: var(--display);
  font-size: 28px;
  transform: rotate(-4deg);
}
.boundary-note h3 { margin: 48px 0 18px; font-family: var(--display); font-size: 30px; font-weight: 400; line-height: 1.35; }
.boundary-note p { margin: 0; color: rgba(16, 39, 36, 0.75); font-size: 14px; }

.teacher {
  position: relative;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(50px, 10vw, 160px);
  align-items: center;
  overflow: hidden;
  color: var(--paper-light);
  background: var(--jade);
}
.teacher::after { content: "二十三代"; position: absolute; right: -0.04em; bottom: -0.2em; color: rgba(250, 246, 237, 0.035); font-family: var(--display); font-size: clamp(110px, 18vw, 280px); white-space: nowrap; }
.teacher-mark {
  position: relative;
  width: min(100%, 430px);
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  border: 1px solid rgba(217, 191, 130, 0.4);
  border-radius: 50%;
  font-family: var(--display);
  font-size: clamp(70px, 9vw, 135px);
}
.teacher-mark::before, .teacher-mark::after { content: ""; position: absolute; inset: 12%; border: 1px solid rgba(217, 191, 130, 0.14); border-radius: 50%; }
.teacher-mark::after { inset: 30%; background: rgba(217, 191, 130, 0.08); }
.teacher-mark span { position: relative; z-index: 1; }
.teacher-mark span:first-child { color: var(--gold-pale); }
.teacher-copy { position: relative; z-index: 2; }
.teacher-copy .section-index { margin-bottom: 14px; }
.teacher-lineage { margin: 10px 0 28px; color: var(--gold-pale); font-size: 17px; letter-spacing: 0.12em; }
.teacher-lead { max-width: 690px; color: rgba(250, 246, 237, 0.72); font-size: 17px; }
.teacher-skills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.teacher-skills span { padding: 8px 14px; border: 1px solid rgba(217, 191, 130, 0.35); font-size: 13px; }
.teacher blockquote { margin: 44px 0 0; padding-left: 24px; border-left: 2px solid var(--cinnabar); color: var(--paper); font-family: var(--display); font-size: 22px; }

.feedback { background: #eee5d2; }
.feedback { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(50px, 9vw, 150px); align-items: end; }
.feedback-ledger { background: var(--paper-light); border: 1px solid rgba(16, 39, 36, 0.13); box-shadow: var(--shadow); }
.ledger-rule { padding: 28px 34px; display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; border-bottom: 1px solid var(--line); }
.ledger-rule span { padding: 6px; color: var(--cinnabar); border: 1px solid currentColor; font-family: var(--display); font-size: 22px; }
.ledger-rule p { margin: 0; color: var(--muted); font-size: 13px; }
.feedback-empty { padding: clamp(38px, 5vw, 70px); }
.quote-mark { height: 52px; margin: 0; color: var(--gold); font-family: Georgia, serif; font-size: 84px; line-height: 1; }
.feedback-empty h3 { margin: 4px 0 14px; font-family: var(--display); font-size: 34px; font-weight: 400; }
.feedback-empty p:not(.quote-mark) { color: var(--muted); }
.feedback-empty a { display: inline-block; margin-top: 12px; color: var(--cinnabar); text-underline-offset: 6px; }

.inquiry { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(50px, 9vw, 150px); align-items: start; background: var(--paper-light); }
.inquiry-intro { position: sticky; top: 120px; }
.inquiry-intro > p:not(.section-index) { color: var(--muted); }
.inquiry-meta { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.inquiry-meta span { padding: 18px 12px 18px 0; color: var(--muted); font-size: 12px; }
.inquiry-meta span + span { padding-left: 18px; border-left: 1px solid var(--line); }
.inquiry-meta strong { display: block; color: var(--ink); font-family: var(--display); font-size: 19px; font-weight: 400; }
.inquiry-form { padding: clamp(28px, 4vw, 54px); border: 1px solid var(--line); background: #fffaf1; box-shadow: 0 20px 65px rgba(36, 42, 38, 0.08); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 22px; }
.form-grid label { display: grid; gap: 8px; }
.form-grid label > span, .consent span { font-family: var(--sans); font-size: 13px; font-weight: 600; }
.form-grid b, .consent b { color: var(--cinnabar); }
.form-wide { grid-column: 1 / -1; }
input, select, textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(16, 39, 36, 0.3);
  border-radius: 0;
  outline: none;
  color: var(--ink);
  background: transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input, select { height: 48px; }
textarea { min-height: 112px; padding: 10px 0; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--cinnabar); box-shadow: 0 1px 0 var(--cinnabar); }
input::placeholder, textarea::placeholder { color: #999c94; }
.honeypot { position: absolute !important; left: -9999px !important; }
.consent { margin-top: 28px; display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.consent input { flex: 0 0 16px; width: 16px; height: 16px; margin-top: 6px; accent-color: var(--cinnabar); }
.consent span { color: var(--muted); font-weight: 400; }
.form-submit { margin-top: 30px; display: flex; align-items: center; gap: 18px; }
.form-submit p { margin: 0; color: var(--muted); font-size: 13px; }
.form-submit p.success { color: #276347; }
.form-submit p.error { color: var(--cinnabar); }
.form-submit button[disabled] { opacity: 0.65; cursor: wait; }

.contact {
  min-height: 540px;
  display: grid;
  grid-template-columns: 0.5fr 1fr 0.6fr;
  gap: clamp(30px, 7vw, 110px);
  align-items: center;
  color: var(--paper-light);
  background: var(--ink-deep);
}
.contact-glyph { color: rgba(217, 191, 130, 0.18); font-family: var(--display); font-size: clamp(130px, 18vw, 270px); line-height: 1; }
.contact-copy p:not(.section-index) { color: rgba(250, 246, 237, 0.58); }
.contact-qr { justify-self: end; width: min(100%, 260px); padding: 12px; background: var(--paper-light); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25); }
.contact-qr span { display: block; padding: 11px 0 2px; color: var(--ink); text-align: center; font-size: 13px; letter-spacing: 0.18em; }

footer { min-height: 120px; padding: 28px clamp(22px, 8vw, 138px); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; color: rgba(250, 246, 237, 0.45); background: #041211; border-top: 1px solid rgba(217, 191, 130, 0.12); font-size: 12px; }
.footer-brand { color: var(--paper-light); }
footer p { margin: 0; }
footer p:last-child { justify-self: end; }

.wechat-fab-wrap { position: fixed; right: 24px; bottom: 24px; z-index: 45; }
.wechat-fab {
  min-width: 112px;
  height: 50px;
  padding: 0 17px 0 9px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(217, 191, 130, 0.65);
  border-radius: 28px;
  color: var(--paper-light);
  background: rgba(7, 27, 25, 0.95);
  box-shadow: 0 12px 34px rgba(4, 18, 17, 0.24);
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13px;
}
.fab-icon { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; color: var(--ink-deep); background: var(--gold-pale); font-family: var(--display); font-size: 17px; }
.qr-popover {
  position: absolute;
  right: 0;
  bottom: 64px;
  width: 236px;
  padding: 14px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  transform-origin: right bottom;
  color: var(--ink);
  background: var(--paper-light);
  box-shadow: 0 24px 70px rgba(4, 18, 17, 0.28);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}
.qr-popover img { border: 1px solid var(--paper-dark); }
.qr-popover strong, .qr-popover span { display: block; text-align: center; }
.qr-popover strong { margin-top: 10px; font-family: var(--display); font-size: 19px; font-weight: 400; }
.qr-popover span { color: var(--muted); font-size: 12px; }
.wechat-fab-wrap.is-open .qr-popover { visibility: visible; opacity: 1; transform: translateY(0) scale(1); }

@media (hover: hover) {
  .wechat-fab-wrap:hover .qr-popover { visibility: visible; opacity: 1; transform: translateY(0) scale(1); }
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.75,.25,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr 0.62fr; gap: 40px; padding-inline: 6vw; }
  .hero h1 { font-size: clamp(70px, 12vw, 118px); }
  .poster-frame { height: 58vh; }
  .section { padding-inline: 6vw; }
  .course-details, .teacher, .feedback, .inquiry { grid-template-columns: 1fr; }
  .teacher-mark { width: min(66vw, 360px); }
  .feedback { align-items: start; }
  .inquiry-intro { position: static; }
  .contact { grid-template-columns: 0.35fr 1fr 0.55fr; gap: 26px; }
  footer { grid-template-columns: 1fr 1fr; }
  footer p:nth-child(2) { display: none; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 68px; }
  .site-header { height: 64px; padding: 0 18px; }
  .brand-name { font-size: 19px; }
  .header-contact { padding: 6px 10px; font-size: 12px; }
  .hero { min-height: auto; padding: 118px 22px 92px; grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(72px, 24vw, 108px); }
  .hero-intro { font-size: 15px; }
  .hero-visual { width: 82%; justify-self: end; margin-top: 24px; }
  .poster-frame { height: 56vh; min-height: 490px; }
  .vertical-seal { left: -28px; }
  .scroll-cue { display: none; }
  .section { padding: 84px 22px; }
  .section-heading h2, .teacher-copy h2, .inquiry-intro h2, .contact-copy h2 { font-size: 44px; }
  .course-path { margin-top: 50px; }
  .path-step { grid-template-columns: 74px 1fr; gap: 18px; padding: 38px 0; }
  .path-number { font-size: 54px; }
  .path-step h3 { font-size: 28px; }
  .path-step ul { display: grid; }
  .course-details { margin-top: 60px; }
  .course-promise { padding: 34px 24px; }
  .course-promise li { grid-template-columns: 1fr; gap: 2px; padding-left: 38px; }
  .teacher { gap: 52px; }
  .teacher-mark { width: min(88vw, 330px); justify-self: center; }
  .feedback-ledger { margin-top: 10px; }
  .ledger-rule { grid-template-columns: auto 1fr; padding: 20px; }
  .feedback-empty { padding: 32px 24px 40px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-wide { grid-column: auto; }
  .form-submit { align-items: stretch; flex-direction: column; }
  .contact { grid-template-columns: 1fr; text-align: center; }
  .contact-glyph { display: none; }
  .contact-qr { justify-self: center; width: 220px; }
  footer { min-height: 150px; padding-inline: 22px; grid-template-columns: 1fr; justify-items: center; text-align: center; }
  footer p:last-child { justify-self: center; }
  .wechat-fab-wrap { right: 14px; bottom: 14px; }
  .wechat-fab { min-width: 50px; width: 50px; padding: 0 9px; }
  .wechat-fab > span:last-child { display: none; }
  .qr-popover { width: 210px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ─────────────────────────────────────────
   道门经卷 · 宋式雅色视觉重构
   ───────────────────────────────────────── */
:root {
  --ink: #1d2924;
  --ink-deep: #071b18;
  --jade: #123f38;
  --jade-soft: #526f63;
  --paper: #eee2c8;
  --paper-light: #f8f1e2;
  --paper-dark: #d8c7a6;
  --gold: #b88a3d;
  --gold-pale: #d8b96d;
  --cinnabar: #9b3426;
  --charcoal: #242a26;
  --muted: #6f7168;
  --line: rgba(56, 45, 28, 0.2);
  --shadow: 0 30px 80px rgba(36, 28, 15, 0.15);
}

html { background: var(--ink-deep); }
body {
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(117, 86, 38, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(117, 86, 38, 0.022) 1px, transparent 1px),
    radial-gradient(circle at 16% 4%, rgba(184, 138, 61, 0.09), transparent 28rem),
    var(--paper-light);
  background-size: 42px 42px, 42px 42px, auto, auto;
}
body::before { opacity: 0.055; mix-blend-mode: multiply; }
body::after {
  content: "";
  position: fixed;
  inset: 86px auto 0 16px;
  width: 1px;
  z-index: 39;
  pointer-events: none;
  background: linear-gradient(transparent, rgba(184, 138, 61, 0.3) 12%, rgba(184, 138, 61, 0.3) 88%, transparent);
}

img { max-width: 100%; height: auto; }
.section { position: relative; isolation: isolate; }
.section::before {
  content: "";
  position: absolute;
  inset: 30px;
  z-index: -1;
  pointer-events: none;
  border: 1px solid rgba(105, 77, 35, 0.07);
}

.site-header {
  height: 86px;
  color: #f2e8d3;
  background:
    linear-gradient(90deg, rgba(216, 185, 109, 0.05), transparent 20%, transparent 80%, rgba(216, 185, 109, 0.05)),
    rgba(6, 25, 22, 0.95);
  border-bottom: 0;
  box-shadow: 0 8px 30px rgba(3, 16, 14, 0.18);
}
.site-header::before,
.site-header::after {
  content: "";
  position: absolute;
  left: clamp(22px, 5vw, 76px);
  right: clamp(22px, 5vw, 76px);
  bottom: 7px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(216, 185, 109, 0.45) 18%, rgba(216, 185, 109, 0.45) 82%, transparent);
}
.site-header::after { bottom: 3px; opacity: 0.35; }
.brand-mark {
  padding: 3px 7px 2px;
  color: #f1d383;
  border: 1px solid currentColor;
  box-shadow: inset 0 0 0 2px rgba(7, 27, 24, 0.9), inset 0 0 0 3px rgba(241, 211, 131, 0.35);
}
.brand-name { font-size: 24px; letter-spacing: 0.2em; }
.site-header nav a { color: rgba(248, 241, 226, 0.77); }
.site-header nav a + a::before {
  content: "·";
  position: absolute;
  left: calc(-1 * clamp(11px, 1.75vw, 26px));
  color: rgba(216, 185, 109, 0.35);
}
.header-contact {
  padding: 8px 17px;
  border: 1px solid rgba(216, 185, 109, 0.65);
  box-shadow: inset 0 0 0 3px rgba(7, 27, 24, 0.94), inset 0 0 0 4px rgba(216, 185, 109, 0.2);
}

.hero {
  min-height: 100svh;
  padding-top: 146px;
  color: #f8f1e2;
  background:
    radial-gradient(circle at 80% 44%, rgba(184, 138, 61, 0.16), transparent 27rem),
    radial-gradient(circle at 18% 70%, rgba(63, 115, 91, 0.18), transparent 30rem),
    repeating-linear-gradient(135deg, transparent 0 25px, rgba(216, 185, 109, 0.016) 25px 26px),
    linear-gradient(108deg, #061b18 0%, #0a2c27 62%, #123d35 100%);
}
.hero::before {
  content: "";
  position: absolute;
  left: -120px;
  top: 15%;
  width: 520px;
  aspect-ratio: 1;
  border: 1px solid rgba(216, 185, 109, 0.11);
  border-radius: 50%;
  box-shadow:
    0 0 0 42px rgba(216, 185, 109, 0.025),
    0 0 0 84px rgba(216, 185, 109, 0.018),
    inset 0 0 0 70px rgba(216, 185, 109, 0.018);
  transform: rotate(12deg);
}
.hero::after {
  right: -18%;
  bottom: -55%;
  width: 74vw;
  border-color: rgba(216, 185, 109, 0.07);
  box-shadow: 0 0 0 72px rgba(216, 185, 109, 0.018), 0 0 0 144px rgba(216, 185, 109, 0.012);
}
.hero-volume {
  width: max-content;
  margin: 0 0 18px;
  padding: 4px 11px;
  color: var(--gold-pale);
  border: 1px solid rgba(216, 185, 109, 0.45);
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.26em;
}
.hero .eyebrow { margin-bottom: 18px; color: rgba(241, 211, 131, 0.75); }
.hero h1 {
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  letter-spacing: -0.06em;
}
.hero h1 span {
  margin-bottom: 5px;
  color: var(--gold-pale);
  -webkit-text-stroke: 0;
  font-size: 0.4em;
  letter-spacing: 0.5em;
  opacity: 0.9;
}
.hero-verse {
  position: relative;
  margin-top: 42px;
  padding: 15px 0 15px 28px;
  border-left: 1px solid var(--cinnabar);
}
.hero-verse::before,
.hero-verse::after {
  content: "";
  position: absolute;
  left: -3px;
  width: 5px;
  height: 5px;
  background: var(--cinnabar);
  transform: rotate(45deg);
}
.hero-verse::before { top: 0; }
.hero-verse::after { bottom: 0; }
.hero-intro { color: rgba(248, 241, 226, 0.7); }
.button {
  position: relative;
  border-radius: 0;
  letter-spacing: 0.12em;
}
.button::before {
  content: "";
  position: absolute;
  inset: 4px;
  pointer-events: none;
  border: 1px solid rgba(248, 241, 226, 0.2);
}
.button-primary { background: var(--cinnabar); box-shadow: 0 12px 32px rgba(93, 26, 19, 0.26); }
.button-quiet { background: rgba(5, 24, 21, 0.25); border-color: rgba(216, 185, 109, 0.55); }

.hero-cloud {
  position: absolute;
  z-index: 1;
  width: 180px;
  height: 56px;
  opacity: 0.16;
  border-top: 1px solid var(--gold-pale);
  border-radius: 50%;
}
.hero-cloud::before,
.hero-cloud::after {
  content: "";
  position: absolute;
  top: -27px;
  width: 82px;
  height: 52px;
  border: 1px solid var(--gold-pale);
  border-bottom: 0;
  border-radius: 70px 70px 0 0;
}
.hero-cloud::before { left: 12px; }
.hero-cloud::after { right: 12px; transform: scale(0.7); transform-origin: bottom; }
.hero-cloud-left { left: 3%; bottom: 12%; }
.hero-cloud-right { right: 2%; top: 21%; transform: scaleX(-1); }

.poster-frame {
  height: min(68vh, 740px);
  padding: 18px 14px 42px;
  overflow: visible;
  background:
    linear-gradient(90deg, #c6a152, #ead298 9%, #dfc27d 50%, #ead298 91%, #b88938);
  border: 1px solid rgba(3, 18, 16, 0.9);
  box-shadow: 0 38px 95px rgba(0, 0, 0, 0.42), inset 0 0 0 5px rgba(69, 49, 19, 0.18);
  transform: rotate(0.75deg);
}
.poster-frame::before,
.poster-frame::after {
  content: "";
  position: absolute;
  left: -5%;
  right: -5%;
  height: 12px;
  border: 1px solid #7a5724;
  border-radius: 8px;
  background: linear-gradient(#d7b866, #8f6628 48%, #c99e48 52%, #704b1b);
  box-shadow: 0 4px 9px rgba(0, 0, 0, 0.28);
}
.poster-frame::before { top: -7px; }
.poster-frame::after { bottom: -7px; }
.poster-frame img { width: 100%; height: 100%; object-fit: cover; border: 1px solid rgba(85, 56, 16, 0.35); }
.poster-caption {
  right: 22px;
  bottom: 17px;
  padding: 4px 8px;
  color: #704817;
  background: transparent;
  border: 1px solid rgba(112, 72, 23, 0.55);
  writing-mode: horizontal-tb;
}
.practice-emblem {
  position: relative;
  width: min(38vw, 540px);
  aspect-ratio: 1;
  margin-inline: auto;
  border: 1px solid rgba(216, 185, 109, 0.4);
  border-radius: 50%;
  box-shadow:
    0 0 0 12px rgba(216, 185, 109, 0.025),
    0 0 0 13px rgba(216, 185, 109, 0.13),
    0 38px 90px rgba(0, 0, 0, 0.28),
    inset 0 0 70px rgba(216, 185, 109, 0.055);
  animation: emblem-breathe 8s ease-in-out infinite;
}
.practice-emblem::before,
.practice-emblem::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: linear-gradient(90deg, transparent, rgba(216, 185, 109, 0.28), transparent);
  transform: translate(-50%, -50%);
}
.practice-emblem::before { width: 118%; height: 1px; }
.practice-emblem::after { width: 1px; height: 118%; background: linear-gradient(transparent, rgba(216, 185, 109, 0.28), transparent); }
.emblem-ring { position: absolute; border: 1px solid rgba(216, 185, 109, 0.2); border-radius: 50%; }
.emblem-ring-outer { inset: 7%; border-style: dashed; animation: emblem-turn 52s linear infinite; }
.emblem-ring-middle { inset: 21%; box-shadow: 0 0 0 8px rgba(216, 185, 109, 0.018); }
.emblem-ring-inner { inset: 34%; border-color: rgba(216, 185, 109, 0.38); background: rgba(4, 21, 18, 0.42); }
.emblem-core {
  position: absolute;
  inset: 37%;
  z-index: 2;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 50%;
  color: #f4e5be;
  background: radial-gradient(circle at 38% 32%, #1c5548, #0a2924 68%);
  box-shadow: 0 0 0 1px rgba(216, 185, 109, 0.4), 0 0 32px rgba(216, 185, 109, 0.08);
}
.emblem-core strong { font-family: var(--display); font-size: clamp(25px, 3vw, 42px); font-weight: 400; letter-spacing: 0.12em; }
.emblem-core span { margin-top: 2px; color: var(--gold-pale); font-size: 10px; letter-spacing: 0.22em; }
.emblem-direction {
  position: absolute;
  z-index: 3;
  color: rgba(216, 185, 109, 0.34);
  font-family: var(--display);
  font-size: clamp(34px, 4vw, 58px);
}
.emblem-heaven { left: 50%; top: 6%; transform: translateX(-50%); }
.emblem-earth { left: 50%; bottom: 6%; transform: translateX(-50%); }
.emblem-node {
  position: absolute;
  z-index: 4;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  color: #f3dfaa;
  border: 1px solid rgba(216, 185, 109, 0.58);
  background: #0a2a25;
  box-shadow: inset 0 0 0 4px #0a2a25, inset 0 0 0 5px rgba(216, 185, 109, 0.22), 0 10px 24px rgba(0, 0, 0, 0.18);
  font-family: var(--display);
  font-size: 17px;
  letter-spacing: 0.08em;
  transform: rotate(45deg);
}
.emblem-node::first-line { transform: rotate(-45deg); }
.emblem-node-one { left: -4%; top: 50%; margin-top: -31px; }
.emblem-node-two { right: 7%; top: 14%; }
.emblem-node-three { right: 7%; bottom: 14%; }
.emblem-node-one,
.emblem-node-two,
.emblem-node-three { writing-mode: vertical-rl; transform: rotate(0); }
.emblem-caption {
  width: max-content;
  margin: 34px auto 0;
  color: rgba(216, 185, 109, 0.68);
  font-family: var(--display);
  font-size: 17px;
  letter-spacing: 0.32em;
}
@keyframes emblem-turn { to { transform: rotate(360deg); } }
@keyframes emblem-breathe { 0%, 100% { box-shadow: 0 0 0 12px rgba(216,185,109,.025), 0 0 0 13px rgba(216,185,109,.13), 0 38px 90px rgba(0,0,0,.28), inset 0 0 70px rgba(216,185,109,.055); } 50% { box-shadow: 0 0 0 18px rgba(216,185,109,.02), 0 0 0 19px rgba(216,185,109,.08), 0 38px 90px rgba(0,0,0,.28), inset 0 0 90px rgba(216,185,109,.075); } }
.vertical-seal {
  left: -44px;
  bottom: 70px;
  color: #efd083;
  border-color: rgba(239, 208, 131, 0.65);
  background: #681f19;
  box-shadow: inset 0 0 0 3px #681f19, inset 0 0 0 4px rgba(239, 208, 131, 0.4);
}

.section { padding-block: clamp(105px, 11vw, 165px); }
.section-heading h2,
.teacher-copy h2,
.inquiry-intro h2,
.contact-copy h2 { letter-spacing: 0.02em; }
.section-index {
  position: relative;
  width: max-content;
  padding: 4px 10px 4px 16px;
  color: var(--cinnabar);
  border-left: 3px double var(--cinnabar);
  background: rgba(155, 52, 38, 0.035);
  letter-spacing: 0.24em;
}
.section-heading > p:last-child { color: #777266; }

.course {
  background:
    linear-gradient(90deg, transparent 49.9%, rgba(123, 91, 43, 0.045) 50%, transparent 50.1%),
    radial-gradient(circle at 8% 18%, rgba(184, 138, 61, 0.1), transparent 24rem),
    #f7efdf;
}
.course::after {
  content: "次第";
  position: absolute;
  right: 4vw;
  top: 92px;
  z-index: -1;
  color: rgba(155, 52, 38, 0.055);
  font-family: var(--display);
  font-size: clamp(100px, 16vw, 250px);
  writing-mode: vertical-rl;
}
.course-path {
  margin-top: 76px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  border: 0;
}
.path-step {
  position: relative;
  min-height: 490px;
  padding: 38px 30px 34px;
  display: block;
  border: 1px solid rgba(105, 77, 35, 0.24);
  background:
    linear-gradient(135deg, rgba(184, 138, 61, 0.08), transparent 22%),
    rgba(255, 252, 243, 0.72);
  box-shadow: 0 16px 45px rgba(81, 58, 25, 0.06), inset 0 0 0 5px rgba(105, 77, 35, 0.025);
}
.path-step::before {
  content: "";
  position: absolute;
  inset: 12px;
  pointer-events: none;
  border: 1px solid rgba(155, 52, 38, 0.09);
}
.path-step::after {
  content: "◆";
  position: absolute;
  left: 50%;
  bottom: 17px;
  color: rgba(155, 52, 38, 0.45);
  font-size: 8px;
}
.path-number {
  display: block;
  margin-bottom: 52px;
  color: rgba(184, 138, 61, 0.8);
  -webkit-text-stroke: 0;
  font-size: 72px;
  line-height: 0.72;
}
.path-kicker { color: var(--cinnabar); }
.path-step h3 { margin-bottom: 18px; font-size: clamp(27px, 2.4vw, 38px); }
.path-step div > p:not(.path-kicker) { color: #706f67; }
.path-step ul { display: grid; margin-top: 26px; gap: 0; }
.path-step li {
  position: relative;
  padding: 8px 0 8px 20px;
  border: 0;
  border-top: 1px solid rgba(105, 77, 35, 0.12);
  color: var(--jade);
}
.path-step li::before { content: "◇"; position: absolute; left: 1px; color: var(--gold); }

.course-details {
  margin-top: 110px;
  border: 1px solid #684f29;
  background: #102d29;
  box-shadow: 0 35px 85px rgba(44, 31, 13, 0.18), inset 0 0 0 7px rgba(216, 185, 109, 0.08);
}
.course-promise { background: linear-gradient(120deg, rgba(216, 185, 109, 0.04), transparent); }
.course-promise li { border-color: rgba(216, 185, 109, 0.18); }
.boundary-note {
  position: relative;
  background:
    repeating-linear-gradient(90deg, rgba(122, 85, 28, 0.035) 0 1px, transparent 1px 7px),
    #daba71;
}
.boundary-note::after {
  content: "守界";
  position: absolute;
  right: 26px;
  bottom: 20px;
  color: rgba(155, 52, 38, 0.12);
  font-family: var(--display);
  font-size: 70px;
  writing-mode: vertical-rl;
}

.teacher {
  background:
    radial-gradient(circle at 20% 50%, rgba(216, 185, 109, 0.12), transparent 22rem),
    repeating-linear-gradient(0deg, rgba(216, 185, 109, 0.018) 0 1px, transparent 1px 32px),
    linear-gradient(100deg, #103f38, #0a2f2a 72%);
}
.teacher::before { border-color: rgba(216, 185, 109, 0.1); }
.teacher::after { content: "龙门正脉"; color: rgba(248, 241, 226, 0.025); }
.teacher-mark {
  border-color: rgba(216, 185, 109, 0.55);
  box-shadow: 0 0 0 14px rgba(216, 185, 109, 0.025), 0 0 0 15px rgba(216, 185, 109, 0.12);
}
.teacher-mark::before {
  inset: 9%;
  border-style: dashed;
  border-color: rgba(216, 185, 109, 0.26);
}
.teacher-mark::after { inset: 31%; box-shadow: 0 0 0 1px rgba(216, 185, 109, 0.2); }
.teacher-lineage { color: #e4c777; }
.teacher-skills span { background: rgba(5, 25, 22, 0.18); }

.feedback {
  display: block;
  background:
    linear-gradient(rgba(248, 241, 226, 0.92), rgba(248, 241, 226, 0.92)),
    repeating-linear-gradient(90deg, #8b672c 0 1px, transparent 1px 34px),
    #eee1c6;
}
.feedback::after {
  content: "学员手记";
  position: absolute;
  right: 8vw;
  top: 110px;
  z-index: -1;
  color: rgba(155, 52, 38, 0.055);
  font-family: var(--display);
  font-size: clamp(68px, 9vw, 130px);
  writing-mode: vertical-rl;
}
.feedback-ledger {
  margin-top: 70px;
  background: rgba(255, 252, 244, 0.72);
  border: 1px solid rgba(92, 67, 31, 0.35);
  box-shadow: 0 28px 75px rgba(70, 48, 20, 0.12), inset 0 0 0 7px rgba(128, 91, 36, 0.035);
}
.ledger-rule { padding: 24px 30px; background: rgba(184, 138, 61, 0.07); border-bottom: 3px double rgba(105, 77, 35, 0.18); }
.ledger-rule span { color: var(--cinnabar); box-shadow: inset 0 0 0 2px #fffaf0, inset 0 0 0 3px rgba(155, 52, 38, 0.25); }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.testimonial {
  position: relative;
  min-height: 330px;
  padding: 48px 34px 34px;
  display: flex;
  flex-direction: column;
}
.testimonial + .testimonial { border-left: 1px solid var(--line); }
.testimonial-seal {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--cinnabar);
  border: 1px solid currentColor;
  font-family: var(--display);
  font-size: 18px;
  transform: rotate(-4deg);
}
.testimonial:nth-child(2) .testimonial-seal { transform: rotate(3deg); }
.testimonial blockquote {
  margin: 32px 0 30px;
  color: #3d443f;
  font-family: var(--display);
  font-size: 20px;
  line-height: 2;
}
.testimonial blockquote::before { content: "“"; color: var(--gold); font-family: Georgia, serif; font-size: 44px; line-height: 0; vertical-align: -0.32em; }
.testimonial footer {
  min-height: auto;
  margin-top: auto;
  padding: 18px 0 0;
  display: block;
  color: var(--muted);
  background: transparent;
  border-top: 1px solid rgba(105, 77, 35, 0.14);
  text-align: left;
}
.testimonial footer strong { display: block; color: var(--ink); font-family: var(--display); font-size: 17px; font-weight: 400; }
.testimonial footer span { font-size: 12px; }
.feedback-disclaimer { margin: 0; padding: 15px 28px; color: #8a8374; border-top: 1px solid var(--line); text-align: right; font-size: 11px; letter-spacing: 0.12em; }

.inquiry {
  background:
    radial-gradient(circle at 14% 20%, rgba(184, 138, 61, 0.09), transparent 22rem),
    linear-gradient(90deg, transparent 49.9%, rgba(105, 77, 35, 0.04) 50%, transparent 50.1%),
    #f7efdf;
}
.inquiry-form {
  position: relative;
  padding: clamp(38px, 5vw, 64px);
  border: 1px solid rgba(105, 77, 35, 0.38);
  background:
    linear-gradient(135deg, rgba(184, 138, 61, 0.08), transparent 20%),
    #fffaf0;
  box-shadow: 0 25px 75px rgba(65, 45, 17, 0.11), inset 0 0 0 7px rgba(105, 77, 35, 0.025);
}
.inquiry-form::before,
.inquiry-form::after {
  content: "";
  position: absolute;
  width: 40px;
  height: 40px;
  pointer-events: none;
  border-color: var(--cinnabar);
  opacity: 0.42;
}
.inquiry-form::before { left: 12px; top: 12px; border-left: 1px solid; border-top: 1px solid; }
.inquiry-form::after { right: 12px; bottom: 12px; border-right: 1px solid; border-bottom: 1px solid; }
input, select, textarea { border-bottom-color: rgba(81, 62, 35, 0.38); }

.contact {
  min-height: 640px;
  background:
    radial-gradient(circle at 16% 45%, rgba(216, 185, 109, 0.09), transparent 22rem),
    repeating-linear-gradient(135deg, transparent 0 28px, rgba(216, 185, 109, 0.015) 28px 29px),
    #061b18;
}
.contact::before { border-color: rgba(216, 185, 109, 0.1); }
.contact-glyph { color: rgba(216, 185, 109, 0.16); }
.contact-copy h2 { color: #f8f1e2; }
.contact-qr {
  width: min(100%, 310px);
  padding: 14px 14px 12px;
  background: #f8f1e2;
  border: 1px solid #9b7839;
  box-shadow: 0 25px 65px rgba(0, 0, 0, 0.32), inset 0 0 0 5px #f8f1e2, inset 0 0 0 6px rgba(155, 120, 57, 0.3);
}
.contact-qr img,
.qr-popover img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
}
.contact-qr span { padding-top: 12px; font-family: var(--display); font-size: 16px; letter-spacing: 0.14em; }

footer {
  border-top: 3px double rgba(216, 185, 109, 0.18);
  background: #031311;
}
.wechat-fab-wrap { transition: opacity 0.25s ease, transform 0.25s ease; }
.wechat-fab-wrap.is-near-contact { opacity: 0; pointer-events: none; transform: translateY(14px); }
.wechat-fab { border-radius: 0; box-shadow: inset 0 0 0 3px #071b18, inset 0 0 0 4px rgba(216, 185, 109, 0.25), 0 12px 34px rgba(4, 18, 17, 0.24); }
.fab-icon { border-radius: 0; transform: rotate(-3deg); }
.qr-popover {
  width: 250px;
  border: 1px solid #9b7839;
  box-shadow: 0 24px 70px rgba(4, 18, 17, 0.32), inset 0 0 0 5px #f8f1e2, inset 0 0 0 6px rgba(155, 120, 57, 0.22);
}

/* 平板：保留双栏经卷结构，扩大触控与正文尺寸 */
@media (min-width: 721px) and (max-width: 1180px) {
  .site-header { padding-inline: 4vw; }
  .site-header nav { gap: 24px; }
  .site-header nav a + a::before { left: -13px; }
  .hero { padding-inline: 5vw; grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.72fr); gap: 52px; }
  .hero h1 { font-size: clamp(78px, 10.5vw, 118px); }
  .poster-frame { height: min(60vh, 680px); }
  .practice-emblem { width: min(42vw, 460px); }
  .section { padding-inline: 5vw; }
  .course-path { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .course-path .path-step:last-child { grid-column: 1 / -1; min-height: 390px; }
  .course-details { grid-template-columns: 1fr; }
  .teacher { grid-template-columns: 0.72fr 1.28fr; gap: 60px; }
  .teacher-mark { width: min(100%, 330px); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .testimonial { min-height: auto; padding: 36px 34px; }
  .testimonial + .testimonial { border-left: 0; border-top: 1px solid var(--line); }
  .testimonial blockquote { font-size: 21px; }
  .inquiry { grid-template-columns: 1fr; }
  .inquiry-intro { position: static; max-width: 700px; }
  .contact { grid-template-columns: 0.35fr 1fr 0.7fr; gap: 34px; }
}

/* 手机：单列卷轴，避免装饰干扰阅读 */
@media (max-width: 720px) {
  body::after { display: none; }
  .section::before { inset: 12px; }
  .site-header { height: 66px; }
  .site-header::before, .site-header::after { left: 18px; right: 18px; }
  .hero { padding-top: 108px; }
  .hero::before { left: -250px; top: 18%; }
  .hero-volume { margin-bottom: 14px; font-size: 12px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: 0.24em; }
  .hero h1 { font-size: clamp(68px, 22vw, 98px); }
  .hero-verse { font-size: 23px; }
  .hero-cloud { display: none; }
  .hero-visual { width: 84%; margin-top: 48px; }
  .practice-emblem { width: min(76vw, 360px); }
  .emblem-node { width: 50px; height: 50px; font-size: 15px; }
  .emblem-node-one { margin-top: -25px; }
  .emblem-caption { font-size: 14px; letter-spacing: 0.2em; }
  .vertical-seal { left: -28px; }
  .section { padding-block: 90px; }
  .course-path { grid-template-columns: 1fr; gap: 16px; }
  .course-path .path-step:last-child { grid-column: auto; }
  .path-step { min-height: auto; padding: 32px 27px 46px; }
  .path-number { margin-bottom: 38px; }
  .course-details { margin-top: 74px; }
  .teacher-mark { box-shadow: 0 0 0 9px rgba(216, 185, 109, 0.025), 0 0 0 10px rgba(216, 185, 109, 0.12); }
  .feedback::after { display: none; }
  .feedback-ledger { margin-top: 46px; }
  .ledger-rule { align-items: start; padding: 20px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .testimonial { min-height: auto; padding: 34px 24px; }
  .testimonial + .testimonial { border-left: 0; border-top: 1px solid var(--line); }
  .testimonial blockquote { font-size: 19px; line-height: 1.9; }
  .feedback-disclaimer { text-align: center; }
  .inquiry-form { padding: 38px 28px; }
  .contact { min-height: 720px; }
  .contact-qr { width: min(82vw, 300px); }
  .qr-popover { width: min(78vw, 238px); }
}