:root {
  --ink: #143247;
  --ink-soft: #526d7d;
  --blue: #3aa7df;
  --blue-strong: #178dca;
  --blue-pale: #eaf7fc;
  --blue-mist: #f4fbfe;
  --line: #d3eaf4;
  --white: #fff;
  --shadow: 0 24px 70px rgba(40, 126, 168, .12);
  --serif: "Noto Serif SC", "Songti SC", SimSun, serif;
  --sans: "Outfit", "PingFang SC", "Microsoft YaHei", sans-serif;
  --radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--sans); line-height: 1.75; letter-spacing: 0; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
.container { width: min(1680px, calc(100% - 56px)); margin-inline: auto; }
.section { padding: 128px 0; position: relative; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--ink); color: var(--white); transition: top .2s; }
.skip-link:focus { top: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .35s ease, box-shadow .35s ease, transform .35s ease; }
.site-header.scrolled { background: rgba(255,255,255,.91); box-shadow: 0 8px 34px rgba(42, 105, 137, .09); backdrop-filter: blur(18px); }
.header-inner { height: 90px; display: flex; align-items: center; gap: 40px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-logo { display: block; width: 48px; height: 48px; flex: 0 0 48px; object-fit: contain; filter: drop-shadow(0 8px 18px rgba(45, 102, 133, .13)); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { font-family: var(--serif); font-size: 19px; font-weight: 600; }
.brand-copy small { margin-top: 6px; color: #5e899f; font-size: 9px; font-weight: 600; letter-spacing: 1.8px; }
.desktop-nav { display: flex; align-items: center; justify-content: flex-end; gap: 40px; margin-left: auto; }
.desktop-nav a { position: relative; font-size: 15px; font-weight: 500; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: var(--blue-strong); transition: right .28s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { right: 0; }
.button { min-height: 54px; padding: 0 28px; border: 0; border-radius: 5px; display: inline-flex; align-items: center; justify-content: center; gap: 15px; color: var(--white); background: var(--blue-strong); box-shadow: 0 12px 28px rgba(23, 141, 202, .2); font-size: 15px; font-weight: 600; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.button:hover, .button:focus-visible { background: #087db9; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(23, 141, 202, .28); }
.button-small { min-height: 48px; padding-inline: 23px; font-size: 14px; }
.header-cta { margin-left: 3px; }
.menu-toggle, .mobile-nav { display: none; }

.hero { min-height: 820px; height: min(900px, 94vh); position: relative; display: flex; align-items: center; overflow: hidden; background: #eff9fd; }
.hero-media { position: absolute; inset: -5%; background: url("assets/hero-treatment.jpg") 67% 45% / cover no-repeat; will-change: transform; }
.hero-wash { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(246,252,254,.98) 0%, rgba(246,252,254,.94) 39%, rgba(246,252,254,.54) 59%, rgba(246,252,254,.07) 100%); }
.hero-wash::after { content: ""; position: absolute; inset: auto 0 0; height: 150px; background: linear-gradient(transparent, #f7fcfe); }
.hero-inner { position: relative; padding-top: 72px; }
.hero-content { max-width: 760px; }
.eyebrow { display: flex; align-items: center; gap: 14px; margin: 0 0 22px; color: var(--blue-strong); font-size: 12px; font-weight: 600; letter-spacing: 1.8px; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.hero h1 { margin: 0; font: 600 clamp(62px, 5vw, 86px)/1.15 var(--serif); letter-spacing: 0; }
.hero-subtitle { margin: 8px 0 22px; color: #396679; font: 500 clamp(39px, 3.5vw, 56px)/1.35 var(--serif); }
.hero-subtitle em { color: var(--blue-strong); font-style: normal; }
.hero-description { max-width: 700px; margin: 0; color: var(--ink-soft); font-size: 18px; line-height: 2; }
.hero-actions { display: flex; align-items: center; gap: 36px; margin-top: 38px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; font-weight: 600; transition: color .2s; }
.text-link span { color: var(--blue-strong); transition: transform .2s; }
.text-link:hover { color: var(--blue-strong); }
.text-link:hover span { transform: translateX(4px); }
.hero-stats { display: flex; gap: 56px; margin-top: 76px; padding-top: 27px; width: min(620px, 100%); border-top: 1px solid rgba(58,167,223,.28); }
.hero-stats div { min-width: 104px; display: flex; flex-direction: column; }
.hero-stats strong { color: var(--blue-strong); font: 600 31px/1 var(--serif); }
.hero-stats strong:not([data-suffix="%"]):not([data-count="361"])::after { content: "+"; }
.hero-stats span { margin-top: 10px; color: var(--ink-soft); font-size: 12px; }
.scroll-cue { position: absolute; left: 50%; bottom: 34px; width: 26px; height: 54px; border: 1px solid rgba(23,141,202,.4); border-radius: 20px; transform: translateX(-50%); }
.scroll-cue span { position: absolute; top: 9px; left: 50%; width: 3px; height: 8px; border-radius: 2px; background: var(--blue-strong); transform: translateX(-50%); animation: scroll-dot 2s ease-in-out infinite; }
@keyframes scroll-dot { 0% { opacity: 0; transform: translate(-50%,0); } 30% { opacity: 1; } 80%,100% { opacity: 0; transform: translate(-50%,23px); } }
.hero-reveal { opacity: 0; transform: translateY(24px); animation: hero-in .8s cubic-bezier(.2,.8,.2,1) forwards; }
.hero-reveal:nth-child(2) { animation-delay: .1s; }.hero-reveal:nth-child(3) { animation-delay: .2s; }.hero-reveal:nth-child(4) { animation-delay: .3s; }.hero-reveal:nth-child(5) { animation-delay: .4s; }
.hero-stats.hero-reveal { animation-delay: .55s; }
@keyframes hero-in { to { opacity: 1; transform: translateY(0); } }

.partner-strip { background: var(--blue-mist); border-block: 1px solid var(--line); }
.partner-inner { min-height: 102px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.partner-inner > span { color: #7893a2; font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; }
.partner-list { display: flex; align-items: center; gap: 27px; color: #557588; }
.partner-list strong { font-size: 13px; font-weight: 500; }
.partner-list i { width: 3px; height: 3px; border-radius: 50%; background: var(--blue); }

.about { overflow: hidden; }
.about::before { content: "岐"; position: absolute; right: -50px; top: 12%; color: #f0f9fc; font: 600 310px/1 var(--serif); z-index: -1; }
.about-grid { display: grid; grid-template-columns: 1fr .96fr; align-items: center; gap: 92px; }
h2 { margin: 0; color: var(--ink); font: 500 clamp(42px, 4vw, 60px)/1.35 var(--serif); letter-spacing: 0; }
h2 span { color: var(--blue-strong); }
.about-copy > p:not(.eyebrow) { max-width: 590px; color: var(--ink-soft); font-size: 15px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }
.feature-grid article { min-height: 122px; padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.feature-grid article:hover { transform: translateY(-4px); border-color: #92d4ef; box-shadow: 0 16px 30px rgba(55,145,187,.1); }
.feature-icon { float: left; display: grid; place-items: center; width: 30px; height: 30px; margin: 2px 12px 25px 0; border: 1px solid #85ceed; border-radius: 50%; color: var(--blue-strong); font: 600 12px var(--serif); }
.feature-grid h3 { margin: 0; font: 600 15px var(--serif); }
.feature-grid p { margin: 4px 0 0; color: #7b919d; font-size: 12px; }
.about-visual { position: relative; margin: 0; padding: 24px 24px 0 0; }
.image-frame { position: relative; aspect-ratio: .95; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); }
.image-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(12,77,104,.14)); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s cubic-bezier(.2,.7,.2,1); }
.about-visual:hover img { transform: scale(1.035); }
.orbit-line { position: absolute; left: -35px; top: -35px; width: 110px; height: 110px; border: 1px solid rgba(58,167,223,.23); border-radius: 50%; z-index: -1; animation: orbit-pulse 4s ease-in-out infinite; }
@keyframes orbit-pulse { 50% { transform: scale(1.13); opacity: .45; } }

.numbers { padding: 54px 0; background: #eff9fd; border-block: 1px solid var(--line); }
.number-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.number-grid > div { position: relative; text-align: center; }
.number-grid > div:not(:last-child)::after { content: ""; position: absolute; right: 0; top: 15%; height: 70%; width: 1px; background: #cde6f0; }
.number-grid strong, .number-grid span, .number-grid small { display: block; }
.number-grid strong { color: var(--blue-strong); font: 600 38px var(--serif); }
.number-grid strong:not([data-suffix="%"]):not([data-count="361"]):not([data-count="38"])::after { content: "+"; }
.number-grid span { margin-top: 3px; font: 600 13px var(--serif); }
.number-grid small { color: #7895a4; font-size: 10px; text-transform: uppercase; letter-spacing: 1.2px; }

.meridians { background: #fbfdfe; }
.section-heading { margin-bottom: 64px; }
.section-heading.centered { text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading.centered .eyebrow::after { content: ""; width: 28px; height: 1px; background: currentColor; }
.section-heading > p:last-child { color: var(--ink-soft); font-size: 14px; }
.meridian-workspace { display: grid; grid-template-columns: .9fr .72fr 1.05fr; gap: 22px; align-items: stretch; }
.meridian-list { display: flex; flex-direction: column; gap: 9px; }
.meridian-list button { min-height: 66px; padding: 0 18px; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 10px; text-align: left; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer; transition: background .25s, border-color .25s, transform .25s; }
.meridian-list button:hover { transform: translateX(4px); border-color: #8ed2ef; }
.meridian-list button[aria-selected="true"] { color: #0f82bb; background: #effaff; border-color: #50b5e2; box-shadow: 0 8px 20px rgba(44,153,205,.09); }
.meridian-list button span { color: #7c9bab; font-size: 10px; }
.meridian-list button i { width: 7px; height: 7px; border-radius: 50%; background: #91d8f3; box-shadow: 0 0 0 5px rgba(81,190,233,.09); }
.body-map { position: relative; min-height: 430px; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, #fafdff, #edf8fc); }
.human-figure { position: relative; width: 150px; height: 335px; opacity: .92; }
.human-figure .head { position: absolute; left: 50%; top: 0; width: 48px; height: 55px; border: 2px solid #85b9d0; border-radius: 50%; transform: translateX(-50%); }
.human-figure .torso { position: absolute; left: 50%; top: 59px; width: 79px; height: 154px; border: 2px solid #85b9d0; border-radius: 10px 10px 20px 20px; transform: translateX(-50%); }
.human-figure .arm { position: absolute; top: 72px; width: 16px; height: 140px; border: 2px solid #85b9d0; border-radius: 50%; }
.human-figure .arm.left { left: 11px; transform: rotate(8deg); }.human-figure .arm.right { right: 11px; transform: rotate(-8deg); }
.human-figure .leg { position: absolute; top: 207px; width: 25px; height: 125px; border: 2px solid #85b9d0; border-radius: 0 0 10px 10px; }
.human-figure .leg.left { left: 46px; }.human-figure .leg.right { right: 46px; }
.meridian-path { position: absolute; left: 77px; top: 54px; width: 2px; height: 260px; background: linear-gradient(#6fd1ef, #16a5db); box-shadow: 0 0 12px #25b8e7; transform: rotate(-1deg); }
.human-figure > i { position: absolute; left: 73px; width: 10px; height: 10px; border-radius: 50%; background: #12a6dc; border: 2px solid white; box-shadow: 0 0 0 6px rgba(18,166,220,.15), 0 0 18px #1da9dc; animation: point-pulse 2.3s ease-in-out infinite; }
.human-figure .p1 { top: 100px; }.human-figure .p2 { top: 155px; animation-delay: .4s; }.human-figure .p3 { top: 218px; animation-delay: .8s; }.human-figure .p4 { top: 293px; animation-delay: 1.2s; }
@keyframes point-pulse { 50% { box-shadow: 0 0 0 10px rgba(18,166,220,0), 0 0 18px #1da9dc; } }
.map-label { position: absolute; bottom: 20px; color: #7f9aa8; font-size: 10px; letter-spacing: 1px; }
.meridian-detail { padding: 30px; border: 1px solid #cbe6f1; border-radius: var(--radius); background: var(--white); box-shadow: 0 18px 50px rgba(41,125,164,.08); }
.detail-title { display: flex; align-items: center; gap: 14px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.detail-title i { width: 10px; height: 10px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 7px var(--blue-pale); }
.detail-title h3 { margin: 0; font: 600 19px var(--serif); }
.detail-title span { color: #7d9aa9; font-size: 10px; text-transform: uppercase; letter-spacing: 1px; }
.meridian-detail small { color: #7292a2; font-size: 10px; }
.detail-function { margin: 22px 0 18px; padding: 15px; border: 1px solid var(--line); border-radius: 4px; background: var(--blue-mist); }
.detail-function p { margin: 4px 0 0; font-family: var(--serif); }
.meridian-detail ul { margin: 9px 0 20px; padding: 0; list-style: none; display: grid; gap: 7px; }
.meridian-detail li { padding: 7px 10px; color: #426577; background: #f6fbfd; border: 1px solid #e0eff5; border-radius: 3px; font-size: 12px; }
.meridian-detail li::before { content: "•"; margin-right: 8px; color: var(--blue); }
.meridian-detail > a { display: block; padding: 10px; text-align: center; color: var(--blue-strong); border: 1px solid #a7d9ee; border-radius: 3px; font-size: 12px; font-weight: 600; transition: background .2s, color .2s; }
.meridian-detail > a:hover { color: white; background: var(--blue-strong); }

.courses { background: var(--blue-mist); }
.courses::before { content: ""; position: absolute; inset: 0; opacity: .38; background-image: linear-gradient(135deg, transparent 47%, #d7edf5 48%, transparent 49%); background-size: 42px 42px; pointer-events: none; }
.courses .container { position: relative; }
.split-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.course-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s, border-color .35s; }
.course-card:hover { transform: translateY(-8px); border-color: #8bcfea; box-shadow: var(--shadow); }
.course-card.featured { border-color: #8bcfea; }
.course-image { position: relative; aspect-ratio: 1.85; overflow: hidden; }
.course-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.course-card:hover .course-image img { transform: scale(1.055); }
.course-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 45%, rgba(20,50,71,.3)); }
.course-image > span { position: absolute; left: 14px; top: 14px; z-index: 1; padding: 4px 10px; color: var(--ink); background: rgba(255,255,255,.88); backdrop-filter: blur(8px); border-radius: 3px; font-size: 10px; }
.course-body { padding: 24px; }
.course-body > small { color: var(--blue-strong); font-size: 9px; font-weight: 600; letter-spacing: 1px; }
.course-body h3 { margin: 5px 0 9px; font: 600 20px var(--serif); }
.course-body p { min-height: 54px; color: var(--ink-soft); font-size: 13px; }
.course-body ul { min-height: 88px; margin: 16px 0; padding: 0; list-style: none; color: #466779; font-size: 12px; }
.course-body li::before { content: "·"; margin-right: 8px; color: var(--blue); font-weight: 700; }
.course-body footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 17px; border-top: 1px solid var(--line); font-size: 11px; }
.course-body footer span { color: #7892a0; }
.course-body footer a { color: var(--blue-strong); font-weight: 600; }

.practice { overflow: hidden; background: var(--white); }
.practice::after { content: ""; position: absolute; left: -130px; bottom: -180px; width: 470px; height: 470px; border: 1px solid #e1f2f8; border-radius: 50%; z-index: -1; }
.practice-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 28px; align-items: stretch; }
.practice-tabs { display: flex; flex-direction: column; gap: 10px; }
.practice-tabs button { min-height: 91px; padding: 18px; display: grid; grid-template-columns: 34px 1fr 24px; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); text-align: left; cursor: pointer; transition: transform .25s, border-color .25s, background .25s; }
.practice-tabs button:hover { transform: translateX(4px); }
.practice-tabs button.active { background: #effaff; border-color: #65c1e7; }
.practice-tabs button > span { color: #79a2b6; font-size: 11px; }
.practice-tabs button strong, .practice-tabs button small { display: block; }
.practice-tabs button strong { font: 600 16px var(--serif); }
.practice-tabs button small { margin-top: 4px; color: #7895a4; font-size: 11px; }
.practice-tabs button > i { display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; color: white; background: #9bcfe3; font-style: normal; font-size: 11px; }
.practice-tabs button.active > i { background: var(--blue); }
.practice-panel { border: 1px solid #bee2ef; border-radius: var(--radius); overflow: hidden; background: #f6fbfd; box-shadow: var(--shadow); }
.practice-photo { position: relative; height: 190px; overflow: hidden; }
.practice-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 50%; transition: opacity .25s, transform .7s; }
.practice-panel:hover .practice-photo img { transform: scale(1.03); }
.practice-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(28,126,168,.04), rgba(18,75,101,.28)); }
.practice-photo span { position: absolute; left: 26px; bottom: 18px; z-index: 1; color: white; font-size: 10px; font-weight: 600; letter-spacing: 1.5px; }
.practice-content { padding: 26px; }
.practice-content > small { color: var(--blue-strong); font-size: 10px; font-weight: 600; letter-spacing: 1px; }
.practice-content h3 { margin: 5px 0 7px; font: 600 20px var(--serif); }
.practice-content p { margin: 0 0 20px; color: var(--ink-soft); font-size: 13px; }
.score-list { display: grid; gap: 10px; margin-bottom: 23px; }
.score-list > div { display: grid; grid-template-columns: 84px 1fr 40px; align-items: center; gap: 12px; font-size: 10px; }
.score-list span { color: #6e8e9f; }
.score-list b { height: 4px; overflow: hidden; background: #d7eaf2; border-radius: 4px; }
.score-list b i { display: block; width: var(--score); height: 100%; border-radius: inherit; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform 1s .3s ease; }
.practice-grid.visible .score-list b i { transform: scaleX(1); }
.score-list strong { color: var(--blue-strong); }
.practice-content .button { min-height: 42px; font-size: 13px; }

.stories { background: #f2fafe; }
.story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.story-card { margin: 0; min-height: 268px; padding: 28px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; transition: transform .3s, box-shadow .3s; }
.story-card:hover { transform: translateY(-5px); box-shadow: 0 18px 42px rgba(42,131,171,.1); }
.story-tag { align-self: flex-start; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.story-card h3 { margin: 18px 0 10px; color: var(--ink); font: 600 20px var(--serif); }
.story-card p { margin: 0; color: #4f6c7b; font: 500 14px/2 var(--serif); }
.cta { overflow: hidden; text-align: center; background: var(--white); }
.cta::before, .cta::after { content: ""; position: absolute; left: 50%; top: 50%; border: 1px solid #def0f6; border-radius: 50%; transform: translate(-50%,-50%); pointer-events: none; }
.cta::before { width: 500px; height: 500px; }.cta::after { width: 360px; height: 360px; }
.cta-inner { position: relative; z-index: 1; }
.cta .eyebrow { justify-content: center; }
.cta .eyebrow::after { content: ""; width: 28px; height: 1px; background: currentColor; }
.cta-inner > p:not(.eyebrow) { color: var(--ink-soft); }
.signup-form { margin: 30px auto 0; width: min(570px, 100%); display: flex; gap: 10px; }
.signup-form input { min-width: 0; flex: 1; height: 50px; padding: 0 17px; border: 1px solid #b9dce9; border-radius: 4px; outline: 0; color: var(--ink); background: rgba(255,255,255,.9); }
.signup-form input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(58,167,223,.12); }
.form-status { min-height: 25px; margin-top: 8px; color: var(--blue-strong); font-size: 12px; }

.site-footer { padding: 72px 0 20px; background: #edf8fc; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: clamp(48px, 5vw, 88px); align-items: start; }
.footer-brand { color: #6a8797; font-size: 12px; }
.footer-brand p { max-width: 390px; margin: 24px 0 0; }
.footer-nav { justify-self: center; }
.footer-contact { justify-self: end; }
.site-footer .footer-nav { display: grid; grid-template-columns: 1fr; justify-items: start; align-content: start; row-gap: 11px; color: #17384e; font-size: 14px; line-height: 1.5; }
.site-footer .footer-nav a { display: block; white-space: nowrap; }
.footer-grid a:not(.brand):hover { color: var(--blue-strong); }
.footer-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; color: #6a8797; font-size: 12px; }
.footer-contact > strong { margin-bottom: 5px; color: var(--ink); font: 600 14px var(--serif); }
.footer-contact span, .footer-contact a { line-height: 1.8; overflow-wrap: normal; }
.footer-address { white-space: nowrap; }
.footer-phone { white-space: nowrap; }
.wechat-qr { display: flex; align-items: center; gap: 12px; margin-top: 2px; color: #6a8797; font-size: 11px; }
.wechat-qr span { order: 0; white-space: nowrap; }
.wechat-qr img { order: 1; width: 86px; height: 86px; padding: 6px; background: var(--white); border: 1px solid var(--line); border-radius: 6px; }
.footer-bottom { margin-top: 48px; padding-top: 20px; display: flex; justify-content: space-between; border-top: 1px solid #d0e8f1; color: #829ba8; font-size: 10px; }
.icp-link { margin-left: 10px; color: #668799; transition: color .2s ease; }
.icp-link:hover, .icp-link:focus-visible { color: var(--blue-strong); }

@media (max-width: 1280px) {
  .footer-grid { grid-template-columns: minmax(260px, 1fr) minmax(160px, 220px); gap: 42px 72px; }
  .footer-nav { justify-self: start; }
  .footer-contact { grid-column: 1 / -1; justify-self: start; }
}
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s cubic-bezier(.2,.8,.2,1), transform .75s cubic-bezier(.2,.8,.2,1); }
.reveal-right { transform: translateX(35px); }
.reveal.visible { opacity: 1; transform: translate(0,0); }
.course-grid .reveal:nth-child(2), .story-grid .reveal:nth-child(2) { transition-delay: .1s; }
.course-grid .reveal:nth-child(3), .story-grid .reveal:nth-child(3) { transition-delay: .2s; }

@media (max-width: 980px) {
  .desktop-nav, .header-cta { display: none; }
  .header-inner { height: 72px; }
  .menu-toggle { margin-left: auto; width: 42px; height: 42px; display: grid; place-content: center; gap: 6px; border: 0; border-radius: 50%; background: rgba(255,255,255,.8); cursor: pointer; }
  .menu-toggle span { display: block; width: 19px; height: 1px; background: var(--ink); transition: transform .25s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-nav { position: absolute; top: 72px; left: 0; right: 0; padding: 20px 24px 28px; display: flex; flex-direction: column; gap: 4px; background: rgba(255,255,255,.98); border-top: 1px solid var(--line); box-shadow: 0 20px 30px rgba(41,104,133,.1); }
  .mobile-nav[hidden] { display: none; }
  .mobile-nav a { padding: 10px 0; border-bottom: 1px solid #edf5f8; font-size: 14px; }
  .hero { min-height: 760px; height: 90vh; }
  .hero-media { background-position: 63% 50%; opacity: .56; }
  .hero-wash { background: linear-gradient(90deg, rgba(247,252,254,.97), rgba(247,252,254,.82) 65%, rgba(247,252,254,.4)); }
  .about-grid { grid-template-columns: 1fr 1fr; gap: 42px; }
  .meridian-workspace { grid-template-columns: .75fr 1fr; }
  .body-map { grid-row: span 1; min-height: 380px; }
  .meridian-detail { grid-column: 1 / -1; }
  .course-grid { grid-template-columns: 1fr 1fr; }
  .course-card:last-child { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; }
  .course-card:last-child .course-image { aspect-ratio: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 32px, 560px); }
  .section { padding: 82px 0; }
  .brand-logo { width: 42px; height: 42px; flex-basis: 42px; }
  .brand-copy strong { font-size: 15px; }
  .hero { min-height: 720px; height: 92svh; align-items: flex-end; padding-bottom: 92px; }
  .hero-media { inset: 0; background-position: 68% center; opacity: .32; }
  .hero-wash { background: linear-gradient(180deg, rgba(246,252,254,.64), rgba(246,252,254,.94) 54%, #f6fcfe 85%); }
  .hero h1 { font-size: clamp(44px, 13vw, 58px); }
  .hero-subtitle { font-size: clamp(28px, 8.5vw, 37px); }
  .hero-description { font-size: 14px; line-height: 1.9; }
  .hero-actions { gap: 22px; margin-top: 27px; }
  .hero-stats { gap: 0; justify-content: space-between; margin-top: 46px; }
  .hero-stats strong { font-size: 22px; }
  .scroll-cue { display: none; }
  .partner-inner { padding-block: 20px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .partner-list { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .partner-list i { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 45px; }
  .about-copy > p:not(.eyebrow) { font-size: 14px; }
  .feature-grid article { padding: 17px; }
  .about-visual { padding: 15px 15px 0 0; }
  .number-grid { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .number-grid > div:nth-child(2)::after { display: none; }
  .number-grid strong { font-size: 30px; }
  .meridian-workspace { grid-template-columns: 1fr; }
  .meridian-list { display: grid; grid-template-columns: 1fr 1fr; }
  .meridian-list button { min-height: 58px; grid-template-columns: 29px 1fr auto; padding: 0 12px; font-size: 12px; }
  .meridian-list button:last-child { grid-column: 1 / -1; }
  .body-map { min-height: 390px; }
  .course-grid { grid-template-columns: 1fr; }
  .course-card:last-child { grid-column: auto; display: block; }
  .course-card:last-child .course-image { aspect-ratio: 1.85; }
  .split-heading { align-items: flex-start; }
  .split-heading .text-link { display: none; }
  .practice-grid { grid-template-columns: 1fr; }
  .practice-tabs button { min-height: 78px; }
  .story-grid { grid-template-columns: 1fr; }
  .story-card { min-height: 235px; }
  .signup-form { flex-direction: column; }
  .signup-form .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-contact { grid-column: auto; gap: 9px; }
  .footer-address { white-space: normal; }
  .wechat-qr { flex-direction: column; align-items: flex-start; }
  .footer-bottom { gap: 10px; flex-direction: column; }
}

@media (max-width: 430px) {
  h2 { font-size: 35px; }
  .hero h1 { font-size: 42px; }
  .hero-subtitle { font-size: 27px; }
  .button { padding-inline: 18px; }
  .hero-actions .text-link { font-size: 13px; }
  .hero-stats { margin-top: 36px; }
  .hero-stats span { font-size: 10px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 98px; }
  .meridian-list { grid-template-columns: 1fr; }
  .meridian-list button:last-child { grid-column: auto; }
  .meridian-detail { padding: 22px; }
  .practice-content { padding: 21px; }
  .score-list > div { grid-template-columns: 74px 1fr 34px; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .hero-reveal, .reveal { opacity: 1; transform: none; }
}