:root {
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: #201826;
  background: #faf9f6;
  font-synthesis: none;
  --paper: #faf9f6;
  --ink: #201826;
  --muted: #69636d;
  --line: #d7d0d9;
  --purple: #6831bc;
  --purple-bright: #9a55f0;
  --dark: #241829;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --ease: cubic-bezier(.2, .7, .25, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 36px; }
body { margin: 0; min-width: 320px; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 600; }
::selection { background: #ded0f8; color: var(--ink); }
:focus-visible { outline: 3px solid #a273ef; outline-offset: 4px; }
.skip-link { position: absolute; top: -100px; left: 18px; z-index: 100; padding: 10px 15px; background: #fff; border: 1px solid var(--line); }
.skip-link:focus { top: 12px; }
.shell { width: min(calc(100% - 112px), 1320px); margin-inline: auto; }

.site-header { position: relative; z-index: 20; background: var(--paper); border-bottom: 1px solid #34253a; }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; font-family: var(--serif); font-size: 23px; font-weight: 700; letter-spacing: -.055em; white-space: nowrap; }
.brand img { width: 46px; height: 46px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 42px; margin-left: auto; font-size: 14px; }
.main-nav a { position: relative; padding-block: 11px; transition: color .2s; }
.main-nav a::after { content: ""; position: absolute; height: 1px; left: 0; right: 100%; bottom: 5px; background: var(--purple); transition: right .25s var(--ease); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--purple); }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { right: 0; }
.header-action { min-height: 39px; margin-left: 5px; padding: 0 0 0 20px; border-left: 1px solid var(--line); display: inline-flex; align-items: center; gap: 15px; font-size: 13px; font-weight: 650; white-space: nowrap; transition: color .2s; }
.header-action:hover { color: var(--purple); }
.header-action span, .button span, .text-link span { font-size: 17px; line-height: 1; }

.hero { min-height: 676px; display: flex; align-items: center; position: relative; isolation: isolate; }
.hero-copy { position: relative; z-index: 2; max-width: 790px; padding: 54px 0 62px; }
.hero h1 { font-family: var(--serif); font-size: clamp(58px, 5.6vw, 91px); line-height: 1.22; letter-spacing: -.075em; white-space: nowrap; }
.hero h1 em, .support-hero h1 em { color: var(--purple); font-style: normal; }
.hero-lede { max-width: 610px; margin-top: 30px; color: #4f4656; font-size: 17px; line-height: 1.95; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button { min-height: 56px; border: 1px solid transparent; border-radius: 0; padding: 0 23px; display: inline-flex; justify-content: space-between; align-items: center; gap: 30px; font-size: 14px; font-weight: 650; line-height: 1.2; transition: transform .2s var(--ease), background .2s, border-color .2s, color .2s; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(1px); }
.button-primary { background: var(--purple); color: #fff; }
.button-primary:hover { background: #52239f; }
.button-outline { background: transparent; color: var(--ink); border-color: #8c7c99; }
.button-outline:hover { border-color: var(--purple); color: var(--purple); background: rgba(104, 49, 188, .035); }
.hero-actions .button-primary { min-width: 190px; }
.hero-actions .button-outline { min-width: 248px; }
.hero-footnote { margin-top: 29px; color: #77707d; font-size: 12px; line-height: 1.7; }
.hero-visual { position: absolute; inset: 0 0 0 auto; width: 53%; z-index: 1; overflow: hidden; pointer-events: none; }
.hero-visual img { position: absolute; width: min(92%, 650px); height: 110%; max-width: none; bottom: -10%; right: 10%; object-fit: contain; object-position: bottom center; }
.hero-visual-line { position: absolute; top: 0; right: 25%; width: 1px; height: 100%; background: linear-gradient(transparent, #b8aebc 45%, transparent); transform: rotate(27deg); opacity: .75; }
.count-rail { position: absolute; top: 15%; right: 2px; margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; color: #98899f; font-family: var(--serif); font-size: 22px; }
.count-rail li { display: flex; align-items: center; gap: 15px; }
.count-rail li::before { content: ""; display: block; width: 10px; height: 1px; background: #b1a8b5; }
.count-rail li.active { color: var(--purple); font-weight: 700; }
.count-rail li.active::before { background: var(--purple); width: 15px; margin-left: -5px; }
.hero-visual-caption { position: absolute; right: 1px; bottom: 38px; font-size: 10px; letter-spacing: .22em; writing-mode: vertical-rl; color: #817287; }

.process-section { padding: 0 0 117px; }
.section-topline { display: flex; justify-content: space-between; border-top: 1px solid #34253a; padding-top: 18px; color: #756a79; font-size: 11px; letter-spacing: .09em; }
.process-layout { display: grid; grid-template-columns: minmax(280px, .9fr) minmax(0, 2.1fr); gap: 74px; padding-top: 78px; }
.process-intro h2, .practice-intro h2, .contact-inner h2, .support-hero h1 { font-family: var(--serif); letter-spacing: -.065em; }
.process-intro h2 { font-size: clamp(39px, 3.45vw, 57px); line-height: 1.27; }
.process-intro p { max-width: 355px; margin-top: 22px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.process-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.process-step { padding: 0 18px 0 20px; border-left: 1px solid #b7aeba; }
.step-number { display: block; margin-bottom: 32px; color: var(--purple); font-family: var(--serif); font-size: 31px; line-height: 1; }
.process-step h3 { font-family: var(--serif); font-size: 19px; line-height: 1.4; letter-spacing: -.035em; }
.process-step p { margin-top: 15px; color: var(--muted); font-size: 13px; line-height: 1.82; }

.practice-section { position: relative; min-height: 662px; overflow: hidden; background: var(--dark); color: #fff; isolation: isolate; }
.practice-photo { position: absolute; z-index: -1; inset: 0 40% 0 0; background: linear-gradient(90deg, rgba(36,24,41,.52) 0%, rgba(36,24,41,.55) 50%, var(--dark) 100%), url("practice-dancer.jpg") 30% center / cover no-repeat; }
.practice-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; min-height: 662px; padding-block: 90px 82px; }
.section-label { color: #ad83e2; font-size: 11px; font-weight: 700; letter-spacing: .13em; }
.practice-intro h2 { margin-top: 29px; font-size: clamp(46px, 4.3vw, 70px); line-height: 1.27; }
.practice-intro > p:last-child { max-width: 420px; margin-top: 26px; color: #e0d6e5; font-size: 16px; line-height: 1.9; }
.practice-details { align-self: end; }
.feature-list { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid #85738a; border-bottom: 1px solid #85738a; }
.feature-list span { min-height: 85px; padding: 20px 8px; border-left: 1px solid #6b596f; color: #f1e9f4; font-size: 14px; font-weight: 650; text-align: center; white-space: nowrap; }
.feature-list span:first-child { border-left: 0; }
.beat-demo { margin-top: 54px; }
.beat-demo-heading { display: flex; justify-content: space-between; align-items: center; color: #d9cfe1; font-size: 12px; letter-spacing: .05em; }
.beat-demo-heading strong { color: #c398ff; font-family: var(--serif); font-size: 25px; font-weight: 500; letter-spacing: 0; }
.beat-buttons { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; margin-top: 20px; }
.beat-buttons button { height: 74px; padding: 0; border: 1px solid #7b697f; background: rgba(255,255,255,.05); color: #eee5f2; font-family: var(--serif); font-size: 22px; transition: background .2s, border-color .2s, transform .2s; }
.beat-buttons button:hover { border-color: #c296fb; background: rgba(154,85,240,.22); }
.beat-buttons button:active { transform: scale(.95); }
.beat-buttons button.active { background: var(--purple); border-color: #b287f3; color: #fff; }
.beat-demo > p { margin-top: 17px; color: #cabed0; font-size: 12px; }
.note-section { display: grid; grid-template-columns: 80px minmax(0, 1fr) auto; align-items: center; gap: 46px; padding-block: 90px; border-bottom: 1px solid var(--line); }
.note-number { align-self: start; padding-top: 5px; color: var(--purple); font-family: var(--serif); font-size: 35px; }
.note-section h2 { font-family: var(--serif); font-size: clamp(29px, 2.7vw, 43px); letter-spacing: -.055em; line-height: 1.3; }
.note-section p { max-width: 710px; margin-top: 17px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.text-link { display: inline-flex; align-items: center; gap: 22px; padding: 8px 0; border-bottom: 1px solid var(--ink); font-size: 14px; font-weight: 650; white-space: nowrap; transition: color .2s, border-color .2s; }
.text-link:hover { color: var(--purple); border-color: var(--purple); }
.contact-section { overflow: hidden; }
.contact-inner { min-height: 365px; display: flex; align-items: center; justify-content: space-between; gap: 50px; padding-block: 70px; position: relative; }
.contact-inner::before { content: ""; position: absolute; width: 470px; height: 190px; right: -130px; top: 30px; border: 1px solid #cba7ec; border-radius: 50%; transform: rotate(-19deg); pointer-events: none; }
.contact-inner h2 { margin-top: 18px; font-size: clamp(37px, 3.8vw, 57px); line-height: 1.3; }
.contact-inner p:last-child { margin-top: 20px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.contact-inner .button { position: relative; min-width: 175px; flex: none; }

.site-footer { background: #f0edf1; border-top: 1px solid var(--line); }
.footer-inner { min-height: 170px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 70px; }
.footer-brand { font-size: 20px; }
.footer-brand img { width: 39px; height: 39px; }
.footer-inner p { margin: 7px 0 0 49px; color: var(--muted); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 26px; font-size: 13px; }
.footer-links a:hover { color: var(--purple); }
.footer-inner small { color: #817986; font-size: 12px; white-space: nowrap; }

.support-main { padding-bottom: 130px; }
.support-hero { min-height: 430px; display: flex; align-items: center; position: relative; isolation: isolate; overflow: hidden; }
.support-hero-copy { position: relative; z-index: 1; width: 100%; min-width: 0; max-width: 850px; padding-block: 65px; }
.support-hero h1 { font-size: clamp(53px, 5.3vw, 79px); line-height: 1.25; white-space: nowrap; }
.support-hero p { max-width: 630px; margin-top: 27px; color: #504958; font-size: 16px; line-height: 1.9; }
.support-hero-image { position: absolute; z-index: 0; inset: 0 0 0 42%; -webkit-mask-image: linear-gradient(90deg, transparent, #000 29%); mask-image: linear-gradient(90deg, transparent, #000 29%); }
.support-hero-image img { width: 100%; height: 100%; object-fit: cover; object-position: 61% 48%; }
.support-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 65px; border-top: 1px solid #34253a; padding-top: 65px; }
.support-section-heading > span { color: var(--purple); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.support-section-heading h2 { margin-top: 18px; font-family: var(--serif); font-size: 36px; letter-spacing: -.055em; }
.faq-list { margin-top: 31px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; display: grid; grid-template-columns: 28px 1fr 20px; align-items: start; gap: 16px; padding: 23px 0; cursor: pointer; font-size: 15px; font-weight: 650; line-height: 1.55; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-number { color: var(--purple); font-family: var(--serif); font-size: 18px; line-height: 1.35; font-weight: 400; }
.faq-plus { color: var(--purple); font-size: 21px; font-weight: 300; line-height: 1.1; transition: transform .2s; }
.faq-list details[open] .faq-plus { transform: rotate(45deg); }
.faq-list details p { padding: 0 35px 25px 44px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.feedback-section { border-left: 1px solid var(--line); padding-left: 65px; }
.feedback-intro { max-width: 540px; margin-top: 19px; color: var(--muted); font-size: 14px; line-height: 1.8; }
#feedback-form { margin-top: 30px; }
.field { margin-top: 19px; }
.field label { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 9px; font-size: 13px; font-weight: 650; }
.field label span { color: #8d8491; font-size: 12px; font-weight: 400; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; border: 1px solid #bfb5c3; border-radius: 0; padding: 12px 14px; background: #fff; color: var(--ink); font-size: 14px; outline: 0; transition: border-color .18s, box-shadow .18s; }
.field textarea { min-height: 132px; resize: vertical; line-height: 1.65; }
.field input::placeholder, .field textarea::placeholder { color: #938b98; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #8e7b99; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(104,49,188,.12); }
.field input[aria-invalid="true"], .field select[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #b84055; }
.field small { display: block; margin-top: 6px; color: #8c8390; text-align: right; font-size: 11px; }
.form-notice { margin-top: 23px; padding-left: 13px; border-left: 2px solid #aa80de; color: #77707a; font-size: 12px; line-height: 1.75; }
.form-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.form-actions .button { min-height: 50px; gap: 17px; }
.form-status { min-height: 22px; margin-top: 12px; color: var(--purple); font-size: 13px; line-height: 1.6; }
.direct-contact { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; }
.direct-contact > span { width: 100%; color: var(--muted); }
.direct-contact a { color: var(--purple); font-weight: 650; overflow-wrap: anywhere; }
.direct-contact a:hover { text-decoration: underline; text-underline-offset: 3px; }
.copy-email { border: 0; padding: 5px; background: none; color: #756182; font-size: 12px; text-decoration: underline; text-underline-offset: 3px; }
.copy-email:hover { color: var(--purple); }

@media (max-width: 1150px) {
  .shell { width: min(calc(100% - 72px), 1320px); }
  .hero h1 { font-size: clamp(55px, 5.5vw, 72px); }
  .hero-visual { width: 49%; }
  .hero-visual img { width: 100%; right: 6%; }
  .process-layout { gap: 36px; grid-template-columns: 300px 1fr; }
  .process-step { padding-inline: 13px; }
  .process-step h3 { font-size: 17px; }
  .practice-inner { gap: 35px; }
  .support-layout { gap: 38px; }
  .feedback-section { padding-left: 38px; }
}
@media (max-width: 850px) {
  .shell { width: min(calc(100% - 48px), 680px); }
  .header-inner { min-height: 68px; }
  .brand { font-size: 20px; }
  .brand img { width: 40px; height: 40px; }
  .main-nav { display: none; }
  .header-action { margin-left: auto; }
  .hero { min-height: 0; display: block; padding-top: 58px; }
  .hero-copy { max-width: none; padding: 0 0 16px; }
  .hero h1 { font-size: clamp(49px, 8vw, 70px); }
  .hero-lede { max-width: 570px; font-size: 16px; }
  .hero-visual { position: relative; width: 100%; height: 475px; }
  .hero-visual img { width: min(94%, 460px); height: 570px; bottom: -72px; right: 8%; }
  .count-rail { right: 5px; top: 35px; font-size: 19px; }
  .hero-visual-caption { bottom: 28px; }
  .process-layout { grid-template-columns: 1fr; gap: 42px; padding-top: 62px; }
  .process-intro h2 { font-size: 49px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .process-step { min-height: 190px; }
  .practice-inner { grid-template-columns: 1fr; min-height: 0; gap: 60px; }
  .practice-photo { inset: 0 0 38% 0; opacity: .45; background-position: 30% 30%; }
  .practice-intro { min-height: 310px; }
  .practice-intro h2 { font-size: 59px; }
  .practice-details { align-self: auto; }
  .note-section { grid-template-columns: 56px 1fr; gap: 20px; padding-block: 68px; }
  .note-section .text-link { grid-column: 2; justify-self: start; }
  .contact-inner { min-height: 320px; }
  .contact-inner h2 { font-size: 44px; }
  .footer-inner { grid-template-columns: 1fr auto; gap: 24px; padding-block: 30px; }
  .footer-inner small { grid-column: 1 / -1; }
  .support-hero { min-height: 370px; }
  .support-hero h1 { font-size: clamp(49px, 7.2vw, 67px); }
  .support-hero-image { inset: 0 0 0 30%; opacity: .55; }
  .support-layout { grid-template-columns: 1fr; gap: 70px; }
  .feedback-section { padding-left: 0; border-left: 0; }
}
@media (max-width: 560px) {
  .shell { width: calc(100% - 36px); }
  .brand { font-size: 18px; }
  .brand img { width: 36px; height: 36px; }
  .header-action { padding-left: 12px; font-size: 12px; gap: 7px; }
  .hero { padding-top: 45px; }
  .hero h1 { font-size: clamp(42px, 10.5vw, 58px); line-height: 1.3; }
  .hero-lede { margin-top: 23px; font-size: 15px; line-height: 1.85; }
  .hero-actions { display: grid; gap: 10px; margin-top: 27px; }
  .hero-actions .button { width: 100%; }
  .hero-footnote { font-size: 11px; line-height: 1.75; margin-top: 23px; }
  .hero-visual { height: 400px; }
  .hero-visual img { width: min(98%, 410px); height: 485px; right: 5%; bottom: -55px; }
  .count-rail { right: 0; top: 26px; gap: 4px; font-size: 15px; }
  .count-rail li { gap: 8px; }
  .hero-visual-caption { display: none; }
  .process-section { padding-bottom: 80px; }
  .section-topline { font-size: 10px; }
  .process-layout { padding-top: 52px; }
  .process-intro h2 { font-size: 42px; }
  .process-intro p { font-size: 14px; }
  .process-steps { grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); }
  .process-step { min-height: 0; display: grid; grid-template-columns: 45px 1fr; gap: 0 15px; padding: 22px 0 24px; border: 0; border-bottom: 1px solid var(--line); }
  .step-number { grid-row: 1 / 3; margin: 1px 0 0; font-size: 26px; }
  .process-step h3 { font-size: 18px; }
  .process-step p { margin-top: 8px; font-size: 13px; }
  .practice-inner { padding-block: 65px 70px; gap: 40px; }
  .practice-photo { inset: 0 0 35% 0; opacity: .37; }
  .practice-intro { min-height: 260px; }
  .practice-intro h2 { font-size: 48px; }
  .practice-intro > p:last-child { font-size: 14px; }
  .feature-list { grid-template-columns: repeat(3, 1fr); border-bottom: 0; }
  .feature-list span { min-height: 59px; padding: 18px 4px; border-bottom: 1px solid #6b596f; font-size: 12px; }
  .feature-list span:nth-child(4) { border-left: 0; }
  .beat-demo { margin-top: 38px; }
  .beat-buttons { gap: 1px; }
  .beat-buttons button { height: 52px; font-size: 18px; }
  .note-section { grid-template-columns: 1fr; gap: 14px; padding-block: 63px; }
  .note-number { font-size: 29px; }
  .note-section h2 { font-size: 31px; }
  .note-section p { font-size: 14px; }
  .note-section .text-link { grid-column: 1; margin-top: 10px; }
  .contact-inner { display: block; min-height: 0; padding-block: 65px 75px; }
  .contact-inner::before { width: 330px; height: 140px; right: -180px; top: 20px; }
  .contact-inner h2 { font-size: 42px; }
  .contact-inner p:last-child { font-size: 14px; }
  .contact-inner .button { width: 100%; margin-top: 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 26px; }
  .footer-inner small { grid-column: 1; }
  .support-main { padding-bottom: 80px; }
  .support-hero { min-height: 390px; align-items: start; }
  .support-hero-copy { padding-block: 48px; }
  .support-hero h1 { font-size: clamp(43px, 10.2vw, 57px); }
  .support-hero p { max-width: min(330px, 100%); margin-top: 23px; font-size: 14px; }
  .support-hero-image { inset: 25% -15% 0 4%; opacity: .45; -webkit-mask-image: linear-gradient(180deg, transparent, #000 35%); mask-image: linear-gradient(180deg, transparent, #000 35%); }
  .support-hero-image img { object-position: 70% 55%; }
  .support-layout { gap: 62px; padding-top: 50px; }
  .support-section-heading h2 { font-size: 31px; }
  .faq-list { margin-top: 25px; }
  .faq-list summary { gap: 11px; grid-template-columns: 25px 1fr 18px; font-size: 14px; }
  .faq-list details p { padding-left: 36px; padding-right: 0; font-size: 13px; }
  .feedback-intro { font-size: 13px; }
  .form-actions .button { width: 100%; }
}
@media (max-width: 370px) {
  .support-hero { min-height: 430px; }
  .support-hero h1 { font-size: 31px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
