:root {
  --ink: #21130f;
  --ink-soft: #6d2721;

  --jade: #c8102e;
  --jade-dark: #760018;

  --cream: #ffffff;
  --paper: #ffffff;

  --coral: #ff3b30;
  --apricot: #ffc400;
  --sage: #ff6b35;
  --line: #c8102e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
em { font-family: "Noto Serif SC", "Songti SC", Georgia, serif; font-style: italic; font-weight: 500; }

.site-header { width: min(1240px, calc(100% - 56px)); height: 92px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 770; letter-spacing: -.025em; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50% 50% 50% 14%; color: white; background: var(--coral); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 20px; }
.brand-name em { color: var(--coral); }
nav { display: flex; align-items: center; gap: 34px; font-size: 13px; font-weight: 700; }
nav > a { transition: color .2s ease; }
nav > a:hover { color: var(--coral); }
.nav-cta { display: inline-flex; align-items: center; gap: 18px; padding: 12px 14px 12px 19px; border-radius: 999px; color: white; background: var(--jade); }
.nav-cta:hover { color: white; background: var(--jade-dark); }
.nav-cta span { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; color: var(--jade); background: var(--paper); }

.hero { width: min(1240px, calc(100% - 56px)); min-height: 680px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(55px, 7vw, 105px); padding: 76px 0 110px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: var(--coral); font-size: 11px; font-weight: 830; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow > span { width: 22px; height: 1px; background: currentColor; }
h1 { max-width: 650px; margin: 0; font-size: clamp(62px, 6.6vw, 94px); line-height: .92; letter-spacing: -.067em; }
h1 em { display: inline-block; color: var(--coral); letter-spacing: -.04em; }
.hero-lead { max-width: 560px; margin: 32px 0 0; color: var(--ink-soft); font-size: 18px; line-height: 1.72; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 38px; }
.button { min-height: 56px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 0 25px; border: 0; border-radius: 999px; font-weight: 780; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--jade); box-shadow: 0 15px 35px rgba(165,29,29,.18); }
.button-primary:hover { background: var(--jade-dark); }
.text-link { padding-bottom: 5px; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 760; }
.hero-proof { display: flex; margin-top: 48px; }
.hero-proof div { min-width: 112px; display: grid; gap: 4px; padding-right: 24px; }
.hero-proof div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.hero-proof strong { font-family: "Noto Serif SC", "Songti SC", Georgia, serif; font-size: 23px; }
.hero-proof span { color: var(--ink-soft); font-size: 10px; font-weight: 680; letter-spacing: .04em; text-transform: uppercase; }

.hero-visual { position: relative; min-width: 0; padding: 0 18px 18px 0; }
.image-frame { position: relative; height: 570px; overflow: hidden; border-radius: 48% 48% 30px 30px; background: var(--sage); box-shadow: 20px 20px 0 #e7b967; }
.image-frame::after { content: ''; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(50,23,20,.08); pointer-events: none; }
.image-frame img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 62% center; }
.floating-card { position: absolute; z-index: 2; display: flex; align-items: center; border: 1px solid rgba(50,23,20,.08); background: rgba(255,253,251,.94); box-shadow: 0 18px 45px rgba(50,23,20,.16); backdrop-filter: blur(8px); }
.phrase-card { left: -38px; bottom: 55px; gap: 13px; min-width: 255px; padding: 16px 17px; border-radius: 18px; }
.phrase-character { font-family: "Noto Serif SC", "Songti SC", serif; font-size: 27px; }
.phrase-card div { display: grid; gap: 3px; flex: 1; }
.phrase-card strong { font-size: 13px; }
.phrase-card small { color: var(--ink-soft); font-size: 11px; }
.phrase-card button { width: 36px; height: 36px; border: 0; border-radius: 50%; color: white; background: var(--coral); cursor: pointer; }
.live-card { top: 65px; right: -22px; gap: 11px; padding: 13px 17px; border-radius: 15px; }
.live-card i { width: 9px; height: 9px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 5px rgba(217,54,34,.12); }
.live-card div { display: grid; gap: 2px; }
.live-card strong { font-size: 11px; }
.live-card small { color: var(--ink-soft); font-size: 9px; }
.hero-stamp { position: absolute; right: -32px; bottom: 20px; width: 100px; height: 100px; display: grid; place-content: center; border-radius: 50%; text-align: center; color: white; background: var(--jade); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 12px; line-height: 1.35; transform: rotate(8deg); }
.hero-stamp::first-line { font-size: 28px; }

.welcome-strip { min-height: 112px; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 25px max(28px, calc((100vw - 1240px) / 2)); color: white; background: var(--jade); }
.welcome-strip p { display: flex; align-items: center; gap: 22px; margin: 0; font-family: "Noto Serif SC", "Songti SC", Georgia, serif; font-size: clamp(17px, 2vw, 23px); }
.welcome-strip p span { color: var(--apricot); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 33px; }
.welcome-strip a { display: flex; align-items: center; gap: 18px; flex: 0 0 auto; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.welcome-strip a span { width: 31px; height: 31px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; }

.content-section, .how-section, .human-section, .interest-section, .faq-section, footer { width: min(1240px, calc(100% - 56px)); margin-inline: auto; }
.content-section { padding: 128px 0 140px; }
.section-heading { display: grid; grid-template-columns: 1.3fr .7fr; align-items: end; gap: 80px; }
.section-heading h2, .how-copy h2, .human-copy h2, .interest-copy h2, .faq-section h2 { margin: 0; font-size: clamp(44px, 5vw, 70px); line-height: .98; letter-spacing: -.055em; }
.section-heading > p { max-width: 400px; margin: 0 0 7px; color: var(--ink-soft); font-size: 16px; line-height: 1.75; }
.pathway-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 68px; }
.pathway-card { min-height: 410px; display: flex; flex-direction: column; padding: 31px; border-radius: 24px; transition: transform .25s ease; }
.pathway-card:hover { transform: translateY(-5px); }
.pathway-1 { background: var(--paper); border: 1px solid var(--line); }
.pathway-2 { color: white; background: var(--coral); }
.pathway-3 { background: #f2dfc2; }
.pathway-top { display: flex; align-items: flex-start; justify-content: space-between; }
.pathway-top > span { padding: 7px 10px; border: 1px solid currentColor; border-radius: 999px; font-size: 9px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; opacity: .78; }
.pathway-top b { font-family: "Noto Serif SC", "Songti SC", serif; font-size: 47px; font-weight: 500; line-height: .8; opacity: .24; }
.pathway-card h3 { max-width: 310px; margin: 65px 0 17px; font-size: 28px; line-height: 1.08; letter-spacing: -.04em; }
.pathway-card p { margin: 0; font-size: 14px; line-height: 1.72; opacity: .72; }
.pathway-card small { margin-top: auto; padding-top: 26px; border-top: 1px solid currentColor; font-size: 10px; font-weight: 730; letter-spacing: .035em; opacity: .7; }

.how-section { position: relative; width: 100%; display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(70px, 9vw, 140px); padding: 130px max(28px, calc((100vw - 1240px) / 2)); overflow: hidden; color: white; background: var(--jade); }
.how-section::before { content: '学'; position: absolute; left: -35px; bottom: -120px; color: rgba(255,255,255,.035); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 390px; line-height: 1; }
.eyebrow.light { color: var(--apricot); }
.how-copy { position: relative; }
.how-copy h2 em { color: var(--apricot); }
.how-copy > p:not(.eyebrow) { max-width: 490px; margin: 28px 0 0; color: rgba(255,255,255,.67); font-size: 16px; line-height: 1.75; }
.how-phrase { width: max-content; display: grid; gap: 8px; margin-top: 50px; padding: 18px 22px; border: 1px solid rgba(255,255,255,.15); border-radius: 15px; background: rgba(255,255,255,.06); }
.how-phrase span { color: var(--apricot); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 24px; }
.how-phrase small { color: rgba(255,255,255,.55); }
.steps-list { position: relative; margin: 0; padding: 0; list-style: none; }
.steps-list li { min-height: 145px; display: grid; grid-template-columns: 50px 1fr 40px; gap: 20px; align-items: center; border-top: 1px solid rgba(255,255,255,.16); }
.steps-list li:last-child { border-bottom: 1px solid rgba(255,255,255,.16); }
.step-number { align-self: start; padding-top: 34px; color: var(--apricot); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.steps-list h3 { margin: 0 0 9px; font-size: 23px; letter-spacing: -.03em; }
.steps-list p { max-width: 480px; margin: 0; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.65; }
.step-arrow { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: var(--apricot); }

.human-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(60px, 9vw, 135px); align-items: center; padding: 145px 0; }
.human-quote { position: relative; min-height: 520px; display: flex; align-items: flex-end; padding: 55px; overflow: hidden; border-radius: 50% 50% 28px 28px; color: white; background: var(--coral); }
.human-quote::after { content: '语'; position: absolute; top: 38px; right: 42px; color: rgba(255,255,255,.12); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 180px; }
.quote-mark { position: absolute; top: 55px; left: 52px; color: var(--apricot); font-family: Georgia, serif; font-size: 115px; line-height: 1; }
.human-quote blockquote { position: relative; z-index: 1; margin: 0; font-family: "Noto Serif SC", "Songti SC", Georgia, serif; font-size: clamp(25px, 2.7vw, 38px); line-height: 1.3; }
.human-copy > p:not(.eyebrow) { max-width: 590px; margin: 28px 0 0; color: var(--ink-soft); font-size: 16px; line-height: 1.76; }
.human-copy ul { margin: 36px 0 0; padding: 0; list-style: none; }
.human-copy li { display: grid; grid-template-columns: 42px 130px 1fr; align-items: center; gap: 14px; min-height: 62px; border-top: 1px solid var(--line); }
.human-copy li:last-child { border-bottom: 1px solid var(--line); }
.human-copy li > span { color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.human-copy strong { font-size: 14px; }
.human-copy small { color: var(--ink-soft); }

.interest-section { width: 100%; display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(60px, 8vw, 120px); padding: 135px max(28px, calc((100vw - 1240px) / 2)); color: white; background: var(--jade-dark); }
.interest-copy h2 em { color: var(--apricot); }
.interest-copy > p:not(.eyebrow) { max-width: 470px; margin: 27px 0 0; color: rgba(255,255,255,.65); font-size: 16px; line-height: 1.75; }
.interest-note { display: flex; align-items: center; gap: 15px; margin-top: 40px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.14); }
.interest-note > span { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50% 50% 50% 15%; color: var(--jade); background: var(--apricot); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 21px; }
.interest-note p { display: grid; gap: 5px; margin: 0; }
.interest-note strong { font-size: 13px; }
.interest-note small { color: rgba(255,255,255,.55); }
.form-card { padding: clamp(28px, 4vw, 48px); border-radius: 26px; color: var(--ink); background: var(--paper); box-shadow: 0 28px 70px rgba(0,0,0,.16); }
.form-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 25px; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.form-heading span { font-family: "Noto Serif SC", "Songti SC", Georgia, serif; font-size: 25px; }
.form-heading small { color: var(--ink-soft); }
.form-card form { display: grid; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.form-card label { display: grid; gap: 8px; color: var(--ink); font-size: 11px; font-weight: 770; }
.form-card label small { color: var(--ink-soft); font-size: 9px; font-weight: 600; }
.form-card input:not([type='checkbox']), .form-card select, .form-card textarea { width: 100%; border: 1px solid #d8d0c2; border-radius: 10px; outline: none; color: var(--ink); background: white; font-weight: 500; }
.form-card input:not([type='checkbox']), .form-card select { height: 49px; padding: 0 13px; }
.form-card textarea { padding: 13px; resize: vertical; line-height: 1.5; }
.form-card input::placeholder, .form-card textarea::placeholder { color: #aa8b84; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus { border-color: var(--coral); box-shadow: 0 0 0 3px rgba(217,54,34,.1); }
.optional-fields { padding: 15px 0; border-block: 1px solid var(--line); }
.optional-fields summary { cursor: pointer; color: var(--jade); font-size: 11px; font-weight: 800; }
.optional-fields[open] summary { margin-bottom: 17px; }
.optional-fields .field-row { margin-bottom: 15px; }
.check-label { display: grid !important; grid-template-columns: 18px 1fr; align-items: start; gap: 9px !important; color: var(--ink-soft) !important; font-size: 10px !important; font-weight: 570 !important; line-height: 1.55; }
.check-label input { width: 16px; height: 16px; margin: 0; accent-color: var(--coral); }
.check-label a { text-decoration: underline; text-underline-offset: 2px; }
.website-field { position: absolute; left: -9999px; }
.button-coral { color: white; background: var(--coral); }
.button-coral:hover { background: #b92719; }
.submit-button { width: 100%; }
.form-fineprint { margin: -6px 0 0; text-align: center; color: #8e6d66; font-size: 9px; }
.form-message { display: grid; gap: 5px; margin-bottom: 22px; padding: 15px 17px; border-radius: 12px; font-size: 12px; line-height: 1.5; }
.form-message.success { color: #0d4c3e; background: #e4f3eb; }
.form-message.error { color: #7a2f25; background: #fbe7e2; }

.faq-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; padding: 125px 0; }
.faq-list details { padding: 24px 0; border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 750; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary b { color: var(--coral); font-size: 21px; font-weight: 400; transition: transform .2s ease; }
.faq-list details[open] summary b { transform: rotate(45deg); }
.faq-list p { margin: 16px 35px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }

footer { min-height: 150px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 11px; }
footer .brand { color: var(--ink); }
footer p { margin: 0; text-align: center; font-size: 14px; line-height: 1.45; }
footer p em { color: var(--coral); }
footer > div { display: flex; justify-content: flex-end; gap: 22px; }
footer a:hover { color: var(--coral); }

.legal-page { width: min(850px, calc(100% - 40px)); margin: 0 auto; padding: 42px 0 100px; }
.legal-page > .brand { width: max-content; }
.legal-page article { margin-top: 90px; }
.legal-page h1 { max-width: 800px; margin: 0; font-size: clamp(48px, 7vw, 76px); line-height: .98; letter-spacing: -.055em; }
.legal-lead { margin: 30px 0 60px; color: var(--ink-soft); font-size: 20px; line-height: 1.65; }
.legal-page article h2 { margin: 38px 0 10px; font-size: 22px; letter-spacing: -.025em; }
.legal-page article > p:not(.eyebrow):not(.legal-lead) { color: var(--ink-soft); line-height: 1.75; }
.legal-updated { margin: 55px 0 25px !important; padding-top: 22px; border-top: 1px solid var(--line); font-size: 13px; }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; padding-top: 60px; }
  .hero-copy { max-width: 700px; }
  .hero-visual { width: min(620px, 100%); margin-inline: auto; }
  .section-heading, .how-section, .human-section, .interest-section, .faq-section { grid-template-columns: 1fr; }
  .section-heading { gap: 25px; }
  .pathway-grid { grid-template-columns: 1fr; }
  .pathway-card { min-height: 300px; }
  .how-section, .interest-section { gap: 70px; }
  .human-quote { width: min(570px, 100%); min-height: 500px; }
  .faq-section { gap: 55px; }
  footer { grid-template-columns: 1fr 1fr; padding: 35px 0; }
  footer p { display: none; }
}

@media (max-width: 620px) {
  .site-header, .hero, .content-section, .human-section, .faq-section, footer { width: min(100% - 30px, 1240px); }
  .site-header { height: 76px; }
  nav > a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 10px 11px 10px 15px; font-size: 10px; }
  .brand-name { font-size: 13px; }
  .brand-mark { width: 36px; height: 36px; font-size: 17px; }
  .hero { gap: 55px; padding: 48px 0 85px; }
  h1 { font-size: clamp(56px, 17vw, 76px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-proof div { min-width: 0; flex: 1; padding-right: 11px; }
  .hero-proof div + div { padding-left: 11px; }
  .image-frame { height: 450px; border-radius: 45% 45% 24px 24px; }
  .phrase-card { left: -6px; bottom: 38px; min-width: 220px; }
  .live-card { top: 44px; right: -5px; }
  .hero-stamp { right: -5px; bottom: 6px; width: 82px; height: 82px; }
  .welcome-strip { align-items: flex-start; flex-direction: column; }
  .content-section { padding: 95px 0 105px; }
  .section-heading h2, .how-copy h2, .human-copy h2, .interest-copy h2, .faq-section h2 { font-size: clamp(43px, 13vw, 59px); }
  .pathway-grid { margin-top: 48px; }
  .how-section, .interest-section { padding: 95px 15px; }
  .how-section { gap: 60px; }
  .steps-list li { grid-template-columns: 36px 1fr; padding: 24px 0; }
  .step-number { padding-top: 5px; }
  .step-arrow { display: none; }
  .human-section { gap: 55px; padding: 95px 0; }
  .human-quote { min-height: 410px; padding: 34px; }
  .quote-mark { top: 40px; left: 32px; }
  .human-copy li { grid-template-columns: 35px 100px 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .form-card { padding: 25px 20px; }
  .form-heading { align-items: flex-start; flex-direction: column; gap: 5px; }
  .faq-section { padding: 90px 0; }
  footer { grid-template-columns: 1fr; gap: 24px; }
  footer > div { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .pathway-card, .faq-list summary b { transition: none; }
}
