:root { --ink:#14211f; --teal:#0d6b63; --coral:#ff6652; --ice:#f1f7f6; --white:#fff; --line:#b9cbc8; --muted:#5b6e6a; --yellow:#f4c84a; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--ice); font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, Helvetica, sans-serif; line-height:1.7; }
a { color:inherit; text-decoration:none; }
img { display:block; max-width:100%; height:auto; }
.wrap,.header-rail,.hero-rail { width:min(1180px,calc(100% - 48px)); margin:0 auto; }
.site-header { position:sticky; top:0; z-index:30; background:rgba(241,247,246,.96); border-bottom:1px solid var(--line); }
.header-rail { min-height:70px; display:flex; align-items:center; gap:30px; }
.brand { display:flex; align-items:center; gap:10px; font-size:20px; font-weight:900; }
.brand img { width:42px; height:42px; border-radius:50%; border:2px solid var(--coral); }
.nav-menu { margin-left:auto; display:flex; gap:28px; font-weight:700; }
.nav-menu a { padding:21px 0 17px; border-bottom:4px solid transparent; }
.nav-menu a:hover,.nav-menu .active { color:var(--teal); border-color:var(--coral); }
.download-link { min-width:148px; min-height:48px; padding:10px 24px; display:inline-flex; align-items:center; justify-content:center; color:white; background:var(--teal); border:1px solid var(--teal); font-weight:850; }
.download-link:hover { color:var(--ink); background:var(--yellow); border-color:var(--ink); }
.small { min-width:108px; min-height:40px; padding:8px 18px; }
.menu-button { display:none; width:42px; height:42px; border:1px solid var(--ink); background:transparent; font-size:20px; }
.hero { overflow:hidden; border-bottom:1px solid var(--line); background:linear-gradient(180deg,#fff 0 72%,#dceae7 72%); }
.hero-rail { min-height:690px; padding:46px 0 54px; display:grid; grid-template-columns:1.02fr .98fr; gap:74px; align-items:center; }
.kicker { display:inline-block; margin-bottom:15px; color:var(--coral); font-size:12px; font-weight:900; letter-spacing:2px; }
h1,h2,h3,p { margin-top:0; }
.hero h1 { max-width:590px; margin-bottom:18px; font-size:clamp(46px,5.2vw,72px); line-height:1.08; letter-spacing:0; }
.hero-copy > p { max-width:600px; margin-bottom:26px; color:var(--muted); font-size:17px; }
.hero-actions { display:flex; align-items:center; gap:24px; margin-bottom:32px; }
.guide-link { font-weight:800; border-bottom:1px solid var(--ink); }
.today-row { display:flex; align-items:center; gap:12px; padding-top:16px; border-top:1px solid var(--line); font-size:13px; }
.today-row b { color:var(--teal); }
.today-row i { width:20px; height:1px; background:var(--coral); }
.hero-media { position:relative; height:560px; display:flex; align-items:center; justify-content:center; }
.week-bands { position:absolute; inset:38px 0; display:grid; grid-template-columns:repeat(5,1fr); border:1px solid var(--line); }
.week-bands span { display:flex; align-items:flex-end; justify-content:center; padding-bottom:12px; color:#738783; border-right:1px solid var(--line); font-size:11px; font-weight:800; }
.week-bands span:last-child { border-right:0; }
.week-bands .active { color:white; background:var(--teal); }
.phone-frame { position:relative; z-index:2; width:244px; height:480px; display:flex; align-items:center; justify-content:center; background:var(--ink); border:7px solid var(--ink); box-shadow:0 18px 40px rgba(20,33,31,.2); }
.phone-frame img { width:230px; max-width:400px; }
.live-tag { position:absolute; z-index:3; right:-10px; bottom:54px; min-width:165px; padding:12px 16px; display:grid; grid-template-columns:12px 1fr; background:var(--coral); color:white; box-shadow:8px 8px 0 var(--ink); }
.live-tag i { width:9px; height:9px; margin-top:7px; border-radius:50%; background:white; }
.live-tag span,.live-tag b { grid-column:2; }
.live-tag span { font-size:11px; }
.section { padding:82px 0; }
.section-title { display:flex; align-items:center; gap:14px; margin-bottom:34px; }
.section-title > span { color:var(--coral); font-size:12px; font-weight:900; }
.section-title h2 { margin:0; font-size:34px; line-height:1.2; }
.schedule { background:white; }
.schedule-list { border-top:2px solid var(--ink); }
.schedule-list article { min-height:128px; display:grid; grid-template-columns:130px 1fr 90px; align-items:center; gap:24px; border-bottom:1px solid var(--line); }
.schedule-list time { color:var(--teal); font-size:24px; font-weight:900; }
.schedule-list b { font-size:20px; }
.schedule-list p { margin:4px 0 0; color:var(--muted); }
.schedule-list article > span { padding:6px 10px; text-align:center; border:1px solid var(--line); font-size:12px; font-weight:800; }
.schedule-list .highlight { margin:0 -22px; padding:0 22px; background:var(--yellow); border-color:var(--ink); }
.display { color:white; background:var(--ink); }
.display-grid { display:grid; grid-template-columns:1fr 1fr .9fr; gap:20px; }
.display figure { margin:0; display:grid; grid-template-rows:460px auto; }
.display figure img { width:220px; max-width:400px; margin:auto; border:1px solid #52615e; }
.detail-shot { background:#213430; }
.account-shot { background:#2c3f3b; }
.display figcaption { padding:18px; border-top:1px solid #53625f; }
.display figcaption b { display:block; font-size:19px; }
.display figcaption p { margin:5px 0 0; color:#aab9b6; font-size:14px; }
.display-copy { padding:32px; display:flex; flex-direction:column; justify-content:flex-end; background:var(--teal); }
.display-copy > span { margin-bottom:auto; color:var(--yellow); font-size:11px; font-weight:900; letter-spacing:2px; }
.display-copy h3 { font-size:28px; line-height:1.3; }
.display-copy p { color:#d7f0ec; }
.display-copy a { color:var(--yellow); font-weight:800; }
.feature-list { display:grid; grid-template-columns:1fr 1fr; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.feature-list article { min-height:170px; padding:28px; display:grid; grid-template-columns:54px 1fr; gap:20px; background:white; border-right:1px solid var(--line); border-bottom:1px solid var(--line); }
.feature-list article > span { color:var(--coral); font-weight:900; }
.feature-list h3 { margin-bottom:8px; font-size:22px; }
.feature-list p { margin:0; color:var(--muted); }
.deep-links { padding-top:0; }
.deep-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.deep-grid > a { min-height:280px; padding:34px; display:flex; flex-direction:column; border:1px solid var(--ink); background:white; }
.deep-grid > a:first-child { border-top:8px solid var(--coral); }
.deep-grid > a:last-child { color:white; background:var(--teal); border-top:8px solid var(--yellow); }
.deep-grid span { font-size:11px; font-weight:900; letter-spacing:2px; }
.deep-grid h2 { margin:50px 0 10px; font-size:30px; }
.deep-grid .summary { color:var(--muted); }
.deep-grid > a:last-child .summary { color:#cce4e0; }
.deep-grid b { margin-top:auto; }
.questions { background:#dceae7; }
.question-row { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.question-row a { min-height:140px; padding:22px; display:flex; flex-direction:column; justify-content:space-between; background:white; border-left:4px solid var(--coral); }
.question-row b { font-size:18px; }
.question-row span { color:var(--teal); font-size:13px; font-weight:800; }
.cta { padding:46px 0; color:white; background:var(--coral); }
.cta .wrap { display:flex; align-items:center; justify-content:space-between; gap:30px; }
.cta span { font-size:11px; font-weight:900; letter-spacing:2px; }
.cta h2 { margin:5px 0 0; font-size:32px; }
.cta .download-link { color:var(--ink); background:var(--yellow); border-color:var(--ink); }
footer { padding:28px 0; color:#9fb0ac; background:#0a1513; text-align:center; font-size:12px; }
footer p { margin:4px 0; }
.inner-main { min-height:70vh; }
.inner-hero { padding:76px 0 64px; color:white; background:var(--teal); border-bottom:8px solid var(--coral); }
.inner-hero h1 { max-width:820px; margin-bottom:16px; font-size:clamp(40px,5vw,62px); line-height:1.15; }
.inner-hero p { max-width:760px; color:#d2e7e3; font-size:17px; }
.inner-hero .download-link { margin-top:10px; background:var(--coral); border-color:var(--coral); }
.faq-hero { color:var(--ink); background:var(--yellow); }
.faq-hero p { color:#564d2f; }
.faq-hero .download-link { color:white; background:var(--teal); border-color:var(--teal); }
.manual-layout { display:grid; grid-template-columns:170px 1fr; gap:74px; align-items:start; }
.manual-layout aside { position:sticky; top:100px; display:grid; border-top:2px solid var(--ink); }
.manual-layout aside > * { padding:11px 4px; border-bottom:1px solid var(--line); }
.manual-layout aside b { color:var(--coral); }
.manual-layout article section { padding:0 0 44px; margin-bottom:44px; border-bottom:1px solid var(--line); }
.manual-layout time { color:var(--coral); font-size:12px; font-weight:900; letter-spacing:1px; }
.manual-layout h2 { margin-top:8px; font-size:30px; }
.manual-layout p { color:#4f625e; text-align:justify; }
.manual-layout a { color:var(--teal); font-weight:800; }
.faq-grid { display:grid; gap:0; border-top:2px solid var(--ink); }
.support-item { border-bottom:1px solid var(--line); background:white; }
.support-item button { width:100%; min-height:74px; padding:16px 22px; display:flex; align-items:center; gap:18px; color:var(--ink); background:white; border:0; text-align:left; font:inherit; font-size:17px; font-weight:800; cursor:pointer; }
.support-item button span { color:var(--coral); font-size:12px; }
.support-item button::after { content:"+"; margin-left:auto; font-size:22px; }
.support-item button[aria-expanded="true"]::after { content:"−"; }
.answer { display:none; padding:0 60px 22px; color:var(--muted); }
.answer p { margin:0; }
.support-item button[aria-expanded="true"] + .answer { display:block; }

@media (max-width:900px) {
  .wrap,.header-rail,.hero-rail { width:min(100% - 32px,720px); }
  .header-rail { min-height:64px; }
  .menu-button { display:grid; place-items:center; margin-left:auto; }
  .small { display:none; }
  .nav-menu { position:absolute; top:64px; left:16px; right:16px; display:none; padding:10px; background:var(--ice); border:1px solid var(--ink); }
  .nav-menu.open { display:grid; }
  .nav-menu a { padding:10px 14px; border:0; }
  .hero { background:white; }
  .hero-rail { min-height:0; padding:34px 0 44px; grid-template-columns:1fr; gap:22px; }
  .hero h1 { font-size:clamp(40px,11vw,54px); }
  .hero-copy > p { font-size:15px; }
  .today-row { display:none; }
  .hero-media { height:294px; }
  .week-bands { inset:20px 0; }
  .phone-frame { width:148px; height:270px; border-width:4px; }
  .phone-frame img { width:140px; }
  .live-tag { right:12px; bottom:28px; min-width:135px; padding:8px 10px; box-shadow:5px 5px 0 var(--ink); }
  .section { padding:58px 0; }
  .section-title h2 { font-size:28px; }
  .schedule-list article { grid-template-columns:80px 1fr 65px; gap:14px; }
  .schedule-list .highlight { margin:0 -12px; padding:0 12px; }
  .display-grid { grid-template-columns:1fr 1fr; }
  .display-copy { grid-column:1/-1; min-height:260px; }
  .feature-list,.deep-grid { grid-template-columns:1fr; }
  .question-row { grid-template-columns:1fr; }
  .manual-layout { grid-template-columns:1fr; gap:34px; }
  .manual-layout aside { position:static; grid-template-columns:repeat(5,1fr); }
  .manual-layout aside > * { text-align:center; }
}

@media (max-width:520px) {
  .wrap,.header-rail,.hero-rail { width:calc(100% - 28px); }
  .brand { font-size:17px; }
  .brand img { width:38px; height:38px; }
  .hero-rail { padding-top:24px; gap:16px; }
  .hero h1 { font-size:40px; }
  .hero-actions { align-items:flex-start; flex-direction:column; gap:14px; margin-bottom:8px; }
  .hero-media { height:260px; }
  .phone-frame { height:242px; }
  .phone-frame img { width:134px; }
  .live-tag { right:0; bottom:22px; }
  .schedule-list article { grid-template-columns:62px 1fr; padding:16px 0; }
  .schedule-list article > span { display:none; }
  .schedule-list time { font-size:17px; }
  .display-grid { grid-template-columns:1fr; }
  .display-copy { grid-column:auto; }
  .display figure { grid-template-rows:390px auto; }
  .display figure img { width:185px; }
  .feature-list { grid-template-columns:1fr; }
  .feature-list article { min-height:145px; }
  .cta .wrap { align-items:flex-start; flex-direction:column; }
  .inner-hero { padding:54px 0 46px; }
  .inner-hero h1 { font-size:38px; }
  .manual-layout aside b { display:none; }
  .support-item button { font-size:15px; }
  .answer { padding-left:48px; padding-right:18px; }
}