:root {
  --page-bg: #edf7f3;
  --ink: #12332f;
  --muted: #68807b;
  --line: rgba(23, 80, 69, .11);
  --primary: #08a87f;
  --primary-2: #56d5b1;
  --primary-rgb: 8, 168, 127;
  --shadow: 0 30px 100px rgba(25, 82, 69, .14);
  --nav-height: 94px;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--page-bg); }
body { margin: 0; min-width: 320px; min-height: 100vh; color: var(--ink); background: var(--page-bg); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.portal { position: relative; display: flex; min-height: 100svh; overflow: hidden; flex-direction: column; color: var(--ink); background: var(--page-bg); isolation: isolate; }
.portal::before, .portal::after { position: absolute; z-index: -2; border-radius: 50%; content: ""; pointer-events: none; }
.portal::before { width: min(50vw, 710px); height: min(50vw, 710px); right: -13vw; top: -23vw; border: 1px solid rgba(var(--primary-rgb), .12); box-shadow: inset 0 0 0 100px rgba(var(--primary-rgb), .025), inset 0 0 0 200px rgba(var(--primary-rgb), .02); }
.portal::after { width: 440px; height: 440px; left: -270px; bottom: -220px; background: rgba(var(--primary-rgb), .08); filter: blur(3px); }
.ambient-grid { position: absolute; z-index: -3; inset: 0; opacity: .46; background-image: linear-gradient(rgba(var(--primary-rgb), .045) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--primary-rgb), .045) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to bottom, rgba(0,0,0,.82), transparent 88%); pointer-events: none; }

.site-nav { display: flex; width: min(1216px, calc(100% - 64px)); height: var(--nav-height); margin: 0 auto; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand-mark { position: relative; display: grid; width: 43px; height: 43px; overflow: hidden; place-items: center; border-radius: 14px; color: white; background: linear-gradient(145deg, var(--primary), var(--primary-2)); box-shadow: 0 11px 27px rgba(var(--primary-rgb), .24); }
.brand-mark::after { position: absolute; width: 28px; height: 28px; right: -11px; bottom: -14px; border: 7px solid rgba(255,255,255,.26); border-radius: 50%; content: ""; }
.brand-mark span { position: relative; z-index: 1; font-size: 20px; font-weight: 900; letter-spacing: -.12em; transform: skew(-10deg); }
.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { font-size: 15px; letter-spacing: .08em; }
.brand-copy small { color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .2em; }
.status-pill { display: inline-flex; height: 34px; padding: 0 15px; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.48); font-size: 11px; font-weight: 600; letter-spacing: .04em; backdrop-filter: blur(12px); }
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px rgba(var(--primary-rgb), .1); }

.hero { display: grid; width: min(1216px, calc(100% - 64px)); margin: auto; padding: 28px 0 54px; align-items: center; grid-template-columns: minmax(0, .94fr) minmax(430px, .84fr); gap: clamp(42px, 7vw, 112px); }
.hero-copy { position: relative; z-index: 2; padding-bottom: 8px; }
.eyebrow { display: flex; margin-bottom: 25px; align-items: center; gap: 12px; color: var(--primary); font-size: 10px; font-weight: 800; letter-spacing: .23em; }
.eyebrow::before { width: 34px; height: 1px; background: currentColor; content: ""; }
.hero h1 { max-width: 660px; margin: 0; font-size: clamp(48px, 5.2vw, 76px); font-weight: 750; line-height: 1.1; letter-spacing: -.065em; }
.hero h1 em { color: var(--primary); font-style: normal; }
.hero-lead { max-width: 550px; margin: 28px 0 0; color: var(--muted); font-size: 16px; line-height: 1.95; letter-spacing: .015em; }
.hero-actions { display: flex; margin-top: 35px; flex-wrap: wrap; align-items: center; gap: 14px; }
.primary-action { display: inline-flex; min-width: 166px; height: 52px; padding: 0 21px; align-items: center; justify-content: center; gap: 11px; border: 0; border-radius: 16px; color: white; background: linear-gradient(130deg, var(--primary), var(--primary-2)); box-shadow: 0 16px 32px rgba(var(--primary-rgb), .22); font-size: 13px; font-weight: 700; cursor: default; }
.primary-action .arrow { width: 19px; height: 19px; border-radius: 50%; color: var(--primary); background: rgba(255,255,255,.9); font-size: 12px; line-height: 19px; text-align: center; }
.quiet-action { display: inline-flex; height: 50px; padding: 0 10px; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; font-weight: 650; }
.quiet-action i { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.fact-row { display: flex; margin-top: 42px; align-items: center; flex-wrap: wrap; gap: 22px; }
.fact { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 11px; font-weight: 600; }
.fact-icon { display: grid; width: 27px; height: 27px; place-items: center; border: 1px solid var(--line); border-radius: 9px; color: var(--primary); background: rgba(255,255,255,.42); font-size: 12px; }
.fact-divider { width: 1px; height: 20px; background: var(--line); }

.visual { position: relative; min-height: 526px; }
.visual-halo { position: absolute; width: 420px; height: 420px; left: 50%; top: 50%; border-radius: 50%; background: radial-gradient(circle, rgba(var(--primary-rgb), .18), rgba(var(--primary-rgb), .05) 45%, transparent 70%); transform: translate(-50%, -50%); filter: blur(4px); }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px dashed rgba(var(--primary-rgb), .18); border-radius: 50%; transform: translate(-50%, -50%) rotate(-9deg); }
.orbit.one { width: 440px; height: 440px; }
.orbit.two { width: 330px; height: 330px; transform: translate(-50%, -50%) rotate(21deg); }
.orbit-dot { position: absolute; width: 10px; height: 10px; left: 37px; top: 90px; border: 3px solid var(--page-bg); border-radius: 50%; background: var(--primary); box-shadow: 0 4px 15px rgba(var(--primary-rgb), .42); }
.device { position: absolute; z-index: 2; width: 294px; height: 506px; left: 50%; top: 50%; padding: 10px; overflow: hidden; border: 1px solid rgba(255,255,255,.86); border-radius: 46px; background: rgba(255,255,255,.62); box-shadow: var(--shadow); transform: translate(-50%, -50%) rotate(2.5deg); backdrop-filter: blur(20px); }
.device::before { position: absolute; z-index: 4; width: 92px; height: 23px; left: 50%; top: 17px; border-radius: 999px; background: #15342f; content: ""; transform: translateX(-50%); }
.device-screen { position: relative; height: 100%; overflow: hidden; border-radius: 37px; background: linear-gradient(155deg, #f9fffd, #dff4ed); }
.device-screen::before { position: absolute; width: 330px; height: 330px; right: -180px; top: -155px; border-radius: 50%; background: rgba(var(--primary-rgb), .16); content: ""; }
.phone-top { display: flex; padding: 61px 24px 18px; align-items: center; gap: 10px; }
.phone-logo { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 12px; color: white; background: linear-gradient(145deg, var(--primary), var(--primary-2)); font-size: 13px; font-weight: 900; }
.phone-top div { display: flex; flex-direction: column; gap: 2px; }
.phone-top strong { font-size: 11px; }
.phone-top small { color: var(--muted); font-size: 7px; }
.phone-hero { padding: 12px 24px 0; }
.phone-hero p { margin: 0; color: var(--primary); font-size: 8px; font-weight: 800; letter-spacing: .14em; }
.phone-hero h2 { margin: 8px 0 0; font-size: 25px; line-height: 1.25; letter-spacing: -.045em; }

.qr-card { position: absolute; z-index: 4; width: 300px; right: -64px; bottom: 42px; padding: 14px; border: 1px solid rgba(255,255,255,.86); border-radius: 24px; background: rgba(255,255,255,.9); box-shadow: 0 24px 54px rgba(20, 67, 60, .18); transform: rotate(-3deg); backdrop-filter: blur(17px); }
.qr-card-head { display: flex; margin-bottom: 13px; align-items: center; justify-content: space-between; }
.qr-card-head strong { font-size: 10px; }
.qr-card-head span { color: var(--primary); font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.scan-guide { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.qr-code { position: relative; width: 110px; height: 110px; margin: 0 auto; overflow: hidden; border: 7px solid #fff; border-radius: 10px; background: linear-gradient(90deg, transparent 48%, #173e37 48% 57%, transparent 57%) 7px 5px / 18px 18px, linear-gradient(transparent 47%, #173e37 47% 57%, transparent 57%) 2px 9px / 16px 16px, #eef6f3; box-shadow: 0 0 0 1px var(--line); }
.finder { position: absolute; z-index: 2; width: 27px; height: 27px; border: 5px solid #173e37; background: #eef6f3; box-shadow: inset 0 0 0 4px #eef6f3, inset 0 0 0 8px #173e37; }
.finder.a { left: 7px; top: 7px; }
.finder.b { right: 7px; top: 7px; }
.finder.c { left: 7px; bottom: 7px; }
.qr-label { display: block; margin-top: 10px; color: var(--muted); font-size: 8px; text-align: center; }
.search-strip { position: absolute; z-index: 4; width: min(390px, calc(100% - 12px)); right: -24px; bottom: 48px; padding: 8px; border: 1px solid rgba(255,255,255,.88); border-radius: 18px; background: rgba(255,255,255,.88); box-shadow: 0 22px 52px rgba(20,67,60,.16); transform: rotate(-2deg); backdrop-filter: blur(15px); }
.search-strip img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.float-tag { position: absolute; z-index: 4; display: flex; height: 42px; padding: 0 14px; align-items: center; gap: 8px; border: 1px solid rgba(255,255,255,.78); border-radius: 14px; color: var(--muted); background: rgba(255,255,255,.77); box-shadow: 0 15px 36px rgba(28,72,62,.12); font-size: 9px; font-weight: 650; backdrop-filter: blur(12px); }
.float-tag i { display: grid; width: 21px; height: 21px; place-items: center; border-radius: 7px; color: white; background: linear-gradient(145deg, var(--primary), var(--primary-2)); font-size: 10px; font-style: normal; }
.float-tag.top { left: -17px; top: 90px; }
.float-tag.bottom { left: 2px; bottom: 83px; }

.site-footer { display: flex; width: min(1216px, calc(100% - 64px)); min-height: 68px; margin: 0 auto; padding: 17px 0 20px; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; line-height: 1.7; }
.footer-right { display: flex; align-items: center; gap: 19px; }
.record-link { transition: color .2s ease; }
.record-link:hover { color: var(--primary); }
.record-link::before { margin-right: 6px; color: var(--primary); content: "◆"; font-size: 6px; vertical-align: 2px; }

.scan-modal[hidden] { display: none; }
.scan-modal { position: fixed; z-index: 100; display: grid; inset: 0; padding: 24px; place-items: center; }
.scan-backdrop { position: absolute; inset: 0; border: 0; background: rgba(8, 24, 22, .52); cursor: pointer; backdrop-filter: blur(9px); }
.scan-dialog { position: relative; z-index: 1; width: min(620px, 100%); padding: 34px; overflow: hidden; border: 1px solid rgba(255,255,255,.78); border-radius: 30px; background: rgba(249,255,253,.98); box-shadow: 0 36px 120px rgba(10,45,39,.3); text-align: center; }
.scan-dialog::before { position: absolute; z-index: -1; width: 260px; height: 260px; right: -100px; top: -140px; border-radius: 50%; background: rgba(var(--primary-rgb), .12); content: ""; }
.scan-close { position: absolute; width: 38px; height: 38px; right: 18px; top: 18px; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: rgba(255,255,255,.78); font-size: 25px; line-height: 1; cursor: pointer; }
.scan-kicker { color: var(--primary); font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.scan-dialog h2 { margin: 10px 44px 0; font-size: 25px; letter-spacing: -.035em; }
.scan-dialog > p { margin: 10px 0 22px; color: var(--muted); font-size: 13px; }
.scan-dialog img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.scan-dialog .scan-mobile-tip { margin: 14px 0 0; font-size: 11px; }
body.scan-open { overflow: hidden; }

.theme-mini { --page-bg: #edf4ff; --ink: #102950; --muted: #627799; --line: rgba(31, 83, 159, .11); --primary: #186cff; --primary-2: #65a2ff; --primary-rgb: 24, 108, 255; --shadow: 0 32px 110px rgba(26, 82, 174, .17); }
.theme-mini .device { transform: translate(-50%, -50%) rotate(-2.4deg); }
.theme-mini .device::before { background: #10284c; }
.theme-mini .device-screen { background: linear-gradient(155deg, #f9fbff, #dceaff); }
.theme-mini .mini-cards { display: grid; padding: 25px 22px; grid-template-columns: 1fr 1fr; gap: 10px; }
.theme-mini .mini-card { min-height: 74px; padding: 12px; border: 1px solid rgba(255,255,255,.75); border-radius: 16px; background: rgba(255,255,255,.7); box-shadow: 0 10px 25px rgba(35, 88, 166, .07); }
.theme-mini .mini-card i { display: grid; width: 26px; height: 26px; margin-bottom: 8px; place-items: center; border-radius: 9px; color: #fff; background: linear-gradient(145deg, var(--primary), var(--primary-2)); font-size: 11px; font-style: normal; }
.theme-mini .mini-card span { color: var(--ink); font-size: 9px; font-weight: 700; }
.theme-mini .qr-card { right: auto; left: -32px; bottom: 36px; transform: rotate(3deg); }
.theme-mini .float-tag.top { left: auto; right: -25px; top: 99px; }
.theme-mini .float-tag.bottom { left: auto; right: -7px; bottom: 88px; }

.theme-community { color-scheme: dark; --page-bg: #070b19; --ink: #f2f5ff; --muted: #8b98bd; --line: rgba(131, 157, 234, .14); --primary: #7857ff; --primary-2: #27d7ff; --primary-rgb: 120, 87, 255; --shadow: 0 35px 130px rgba(0, 0, 0, .48); }
.theme-community::before { border-color: rgba(83,132,255,.1); box-shadow: inset 0 0 0 100px rgba(104,69,255,.035), inset 0 0 0 200px rgba(42,180,255,.025); }
.theme-community::after { background: rgba(89, 56, 217, .16); filter: blur(20px); }
.theme-community .ambient-grid { opacity: .42; background-image: linear-gradient(rgba(110,138,222,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(110,138,222,.06) 1px, transparent 1px); }
.theme-community .brand-mark { box-shadow: 0 11px 36px rgba(111,77,255,.3); }
.theme-community .status-pill { background: rgba(17,24,51,.65); }
.theme-community .hero h1 { text-shadow: 0 10px 50px rgba(63,89,197,.18); }
.theme-community .primary-action { box-shadow: 0 17px 40px rgba(93,70,255,.3); }
.theme-community .fact-icon { background: rgba(18,25,54,.7); }
.theme-community .visual { min-height: 540px; }
.community-core { position: absolute; width: 360px; height: 360px; left: 50%; top: 50%; border-radius: 50%; transform: translate(-50%, -50%); }
.community-core::before { position: absolute; inset: 0; border: 1px solid rgba(119,96,255,.3); border-radius: 50%; background: radial-gradient(circle at 38% 32%, rgba(39,215,255,.34), rgba(120,87,255,.3) 24%, rgba(38,30,97,.36) 44%, rgba(9,13,31,.4) 67%); box-shadow: inset -45px -35px 90px rgba(7, 9, 31, .72), inset 30px 26px 65px rgba(83, 219, 255, .11), 0 0 90px rgba(102, 70, 255, .2); content: ""; }
.community-core::after { position: absolute; inset: 34px; border: 1px dashed rgba(146,169,255,.24); border-radius: 50%; content: ""; animation: spin 26s linear infinite; }
.core-logo { position: absolute; z-index: 3; display: grid; width: 92px; height: 92px; left: 50%; top: 50%; place-items: center; border: 1px solid rgba(255,255,255,.15); border-radius: 30px; color: white; background: linear-gradient(145deg, rgba(119,82,255,.94), rgba(33,194,255,.9)); box-shadow: 0 25px 70px rgba(67,78,255,.35); font-size: 38px; font-weight: 900; transform: translate(-50%,-50%) rotate(-7deg); }
.core-logo span { transform: skew(-10deg); }
.node { position: absolute; z-index: 4; display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid rgba(138,159,233,.18); border-radius: 16px; color: #dbe4ff; background: rgba(18,26,56,.78); box-shadow: 0 15px 38px rgba(0,0,0,.28); font-size: 12px; font-weight: 700; backdrop-filter: blur(12px); }
.node.n1 { left: 7%; top: 14%; }.node.n2 { right: 3%; top: 24%; }.node.n3 { right: 7%; bottom: 14%; }.node.n4 { left: 1%; bottom: 22%; }
.signal-line { position: absolute; z-index: 1; width: 170px; height: 1px; left: 50%; top: 50%; background: linear-gradient(90deg, transparent, rgba(78,199,255,.38), transparent); transform-origin: left center; }
.signal-line.s1 { transform: rotate(-145deg); }.signal-line.s2 { transform: rotate(-35deg); }.signal-line.s3 { transform: rotate(37deg); }.signal-line.s4 { transform: rotate(147deg); }
.signal-line::after { position: absolute; width: 5px; height: 5px; right: 22px; top: -2px; border-radius: 50%; background: #5be0ff; box-shadow: 0 0 14px #5be0ff; content: ""; }
.community-panel { position: absolute; z-index: 5; display: flex; min-width: 190px; height: 62px; left: 50%; bottom: 15px; padding: 0 17px; align-items: center; gap: 12px; border: 1px solid rgba(139,161,234,.16); border-radius: 19px; background: rgba(17,24,52,.82); box-shadow: 0 22px 58px rgba(0,0,0,.36); transform: translateX(-50%); backdrop-filter: blur(16px); }
.panel-wave { display: flex; height: 22px; align-items: center; gap: 3px; }.panel-wave i { width: 3px; border-radius: 4px; background: linear-gradient(#33d7ff, #7d5cff); }.panel-wave i:nth-child(1), .panel-wave i:nth-child(5) { height: 8px; }.panel-wave i:nth-child(2), .panel-wave i:nth-child(4) { height: 16px; }.panel-wave i:nth-child(3) { height: 22px; }
.community-panel div:last-child { display: flex; flex-direction: column; gap: 3px; }.community-panel strong { font-size: 10px; }.community-panel small { color: var(--muted); font-size: 7px; letter-spacing: .08em; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .community-core::after { animation: none; } }

@media (max-width: 920px) {
  :root { --nav-height: 78px; }
  .portal { overflow: hidden auto; }
  .site-nav, .hero, .site-footer { width: min(100% - 38px, 680px); }
  .hero { padding: 35px 0 45px; grid-template-columns: 1fr; gap: 30px; }
  .hero-copy { text-align: center; }
  .eyebrow, .hero-actions, .fact-row { justify-content: center; }
  .hero h1, .hero-lead { margin-left: auto; margin-right: auto; }
  .visual { min-height: 520px; width: min(100%, 500px); margin: 0 auto; }
  .site-footer { flex-direction: column; justify-content: center; gap: 7px; text-align: center; }
}

@media (max-width: 560px) {
  .site-nav { width: calc(100% - 30px); height: 72px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 12px; }.brand-copy strong { font-size: 13px; }.status-pill { height: 31px; padding: 0 11px; font-size: 9px; }
  .hero { width: calc(100% - 34px); padding: 36px 0 30px; gap: 25px; }
  .eyebrow { margin-bottom: 18px; font-size: 8px; }.hero h1 { font-size: clamp(40px, 12.2vw, 55px); line-height: 1.12; }.hero-lead { margin-top: 20px; font-size: 14px; line-height: 1.8; }
  .hero-actions { margin-top: 26px; }.primary-action { min-width: 152px; height: 48px; }.quiet-action { height: 44px; }
  .fact-row { margin-top: 29px; gap: 12px; }.fact-divider { display: none; }
  .visual { min-height: 420px; transform: scale(.82); margin-top: -37px; margin-bottom: -38px; }.device { width: 274px; height: 470px; }.orbit.one { width: 400px; height: 400px; }.orbit.two { width: 310px; height: 310px; }
  .qr-card { width: 280px; right: -1px; bottom: 31px; }.float-tag.top { left: 0; }.float-tag.bottom { left: 12px; }
  .search-strip { width: calc(100% - 18px); right: -2px; bottom: 42px; padding: 7px; border-radius: 16px; }
  .theme-mini .qr-card { left: -1px; }.theme-mini .float-tag.top { right: 0; }.theme-mini .float-tag.bottom { right: 9px; }
  .theme-community .visual { min-height: 430px; transform: scale(.84); }.community-core { width: 345px; height: 345px; }
  .site-footer { width: calc(100% - 34px); padding: 18px 0 22px; }.footer-right { flex-direction: column; gap: 2px; }
  .scan-modal { padding: 16px; }.scan-dialog { padding: 30px 16px 20px; border-radius: 24px; }.scan-dialog h2 { margin: 9px 38px 0; font-size: 21px; }.scan-close { right: 12px; top: 12px; }.scan-dialog img { border-radius: 14px; }
}
@media (max-width: 380px) { .brand-copy small { display: none; }.hero h1 { font-size: 40px; }.hero-actions { flex-direction: column; gap: 4px; }.fact-row { display: none; } }