/* 有栖科技官网（首页、产品页）。色彩与字体沿用栖境 Perchscape 规范，见 brand/guide.html。 */
:root {
  --abyss: #06111F; --navy: #0B1A2E; --line: #1A3354; --tx: #E8EEF6; --mu: #8DA0B8;
  --sky: #3FA6DC; --perch: #2486D2; --cobalt: #1A55B8; --plaster: #F7F4EC; --ink: #0B1A2E; --ink-mu: #55657A;
  --amber: #F2B544; --mint: #3FD0B0;
  --grad: linear-gradient(100deg, #3FA6DC 0%, #2486D2 48%, #1A55B8 100%);
  --num: "DIN Alternate", "Bahnschrift", "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif; color: var(--tx); background: var(--abyss); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* 全局导航 */
.gnav { position: sticky; top: 0; z-index: 30; height: 48px; background: #06111Fcc; backdrop-filter: saturate(180%) blur(18px); border-bottom: 1px solid #ffffff10; }
.gnav .wrap { height: 100%; display: flex; align-items: center; gap: 28px; }
.gnav .logo { display: flex; align-items: center; gap: 8px; font-weight: 600; letter-spacing: .1em; font-size: 14px; }
.gnav .logo img { width: 24px; height: 24px; border-radius: 6px; }
.gnav nav { display: flex; gap: 26px; margin-left: auto; font-size: 13px; color: #C9D6E6; }
.gnav nav a:hover, .gnav nav a.on { color: #fff; }
.gnav .cta { font-size: 12px; padding: 5px 14px; border-radius: 999px; background: var(--grad); color: #fff; white-space: nowrap; }

/* 产品子导航 */
.subnav { position: sticky; top: 48px; z-index: 25; height: 52px; background: #0B1A2Ee6; backdrop-filter: blur(18px); border-bottom: 1px solid #ffffff12; }
.subnav .wrap { height: 100%; display: flex; align-items: center; gap: 24px; }
.subnav b { font-size: 19px; } .subnav b em { font-style: normal; font-family: var(--num); letter-spacing: .12em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.subnav nav { margin-left: auto; display: flex; gap: 22px; font-size: 12px; color: #C9D6E6; } .subnav nav a:hover { color: #fff; }
.subnav .cta { font-size: 12px; padding: 5px 14px; border-radius: 999px; background: var(--grad); color: #fff; }

/* 通用 */
.eyebrow { font-size: 14px; color: var(--sky); letter-spacing: .2em; font-weight: 600; }
.h-xl { font-size: clamp(44px, 8vw, 96px); line-height: 1.04; margin: 10px 0 14px; letter-spacing: -.01em; font-weight: 700; }
.h-l { font-size: clamp(32px, 5vw, 56px); line-height: 1.1; margin: 8px 0 14px; font-weight: 700; }
.h-m { font-size: clamp(24px, 3vw, 34px); line-height: 1.2; margin: 6px 0 10px; font-weight: 700; }
.lead { font-size: clamp(17px, 2vw, 22px); line-height: 1.55; color: var(--mu); max-width: 760px; margin: 0 auto; }
.gt { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.links { display: flex; gap: 28px; justify-content: center; flex-wrap: wrap; margin-top: 22px; font-size: 17px; }
.links a { color: var(--sky); } .links a:hover { text-decoration: underline; }
.btn { display: inline-block; padding: 11px 24px; border-radius: 999px; background: var(--grad); color: #fff; font-size: 16px; }
.btn.ghost { background: transparent; border: 1px solid #ffffff40; }
.center { text-align: center; }
section { position: relative; }
.light { background: var(--plaster); color: var(--ink); } .light .lead, .light .mu { color: var(--ink-mu); } .light .eyebrow { color: var(--cobalt); }
.mu { color: var(--mu); }
.pad { padding: 110px 0; }
.num { font-family: var(--num); }

/* 滚动出现 */
.rv { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .1s; } .rv.d2 { transition-delay: .2s; } .rv.d3 { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* 首页 Hero */
.hero { min-height: calc(100vh - 48px); display: flex; align-items: center; overflow: hidden;
  background: radial-gradient(900px 500px at 75% 15%, #2486D255, transparent 70%), radial-gradient(800px 500px at 10% 90%, #3FA6DC33, transparent 70%), var(--abyss); }
.hero .wrap { width: 100%; padding-top: 60px; padding-bottom: 160px; }
.hero .mark { width: 120px; height: 120px; border-radius: 28px; box-shadow: 0 30px 80px #2486D277; margin: 0 auto 26px; display: block; }
.ridgeart { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 140px; pointer-events: none; }

/* 磁贴 */
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 12px; background: #030A14; }
.tile { position: relative; min-height: 560px; border-radius: 22px; overflow: hidden; padding: 56px 40px 40px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.tile.full { grid-column: 1 / -1; min-height: 600px; }
.tile.dark { background: radial-gradient(700px 400px at 50% 110%, #2486D244, transparent 70%), var(--navy); }
.tile.grad { background: var(--grad); }
.tile.light { background: var(--plaster); }
.tile .h-m { font-size: clamp(28px, 3.4vw, 40px); }
.tile p { margin: 0; font-size: 18px; }
.tile .links { margin-top: 14px; font-size: 16px; }
.tile.grad .links a, .tile.grad .eyebrow { color: #fff; }
.tile .viz { margin-top: auto; width: 100%; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; width: 100%; max-width: 640px; }
.stats div b { display: block; font-family: var(--num); font-size: clamp(30px, 4vw, 48px); line-height: 1.1; }
.stats div > span { font-size: 13px; color: var(--mu); }
.light .stats div span { color: var(--ink-mu); }
.tplist { list-style: none; padding: 0; margin: 26px 0 0; width: 100%; max-width: 460px; text-align: left; }
.tplist li { display: flex; justify-content: space-between; align-items: baseline; padding: 11px 0; border-bottom: 1px solid #0B1A2E1a; font-size: 16px; }
.tplist li b { font-family: var(--num); font-weight: 500; font-size: 18px; } .tplist li small { color: var(--ink-mu); font-size: 12px; margin-left: 6px; }
.badge { display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 999px; border: 1px solid currentColor; opacity: .85; margin-top: 18px; }
.birdbig { width: min(340px, 70%); margin-top: auto; opacity: .95; }

/* 产品页 */
.phero { padding: 90px 0 0; overflow: hidden; background: radial-gradient(1000px 520px at 50% 0%, #2486D244, transparent 70%), var(--abyss); }
.device { margin: 56px auto 0; max-width: 1040px; border-radius: 18px 18px 0 0; border: 1px solid #ffffff1f; border-bottom: 0; background: #0B1A2E; box-shadow: 0 -20px 80px #2486D233; overflow: hidden; }
.device .bar { height: 30px; display: flex; align-items: center; gap: 6px; padding: 0 14px; background: #0F2340; border-bottom: 1px solid #ffffff12; }
.device .bar i { width: 9px; height: 9px; border-radius: 50%; background: #ffffff26; } .device .bar span { margin-left: 10px; font-size: 11px; color: var(--mu); font-family: var(--num); }
.device .scr { display: grid; grid-template-columns: 1.6fr 1fr; gap: 10px; padding: 14px; }
.device .scr > div { background: #0D1F37; border: 1px solid #1A3354; border-radius: 10px; height: 340px; }
.bign { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 60px; text-align: center; }
.bign b { display: block; font-family: var(--num); font-size: clamp(44px, 6vw, 80px); line-height: 1; }
.bign > div > span { display: block; margin-top: 10px; font-size: 15px; }
.layers3 { display: flex; flex-direction: column; gap: 10px; margin-top: 50px; }
.l3 { border-radius: 18px; padding: 26px 30px; display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: center; text-align: left; }
.l3 h3 { margin: 0; font-size: 24px; } .l3 small { display: block; margin-top: 4px; font-size: 13px; opacity: .75; }
.l3 ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.l3 li { font-size: 13px; padding: 6px 12px; border-radius: 999px; background: #ffffff14; border: 1px solid #ffffff1f; }
.l3.custom { border: 1px dashed #F2B54488; } .l3.custom h3 { color: var(--amber); }
.l3.config { background: #0F2C4E; } .l3.core { background: var(--grad); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; margin-top: 50px; text-align: left; }
.entries { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.entries div { background: #fff; border-radius: 16px; padding: 18px; } .entries b { display: block; font-size: 17px; margin-bottom: 4px; } .entries span { font-size: 13px; color: var(--ink-mu); }
.formula { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; align-items: center; font-size: 15px; }
.formula span { background: #fff; border-radius: 999px; padding: 8px 16px; } .formula i { font-style: normal; color: var(--cobalt); font-weight: 700; }
.vchips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 30px; max-width: 820px; margin-left: auto; margin-right: auto; }
.vchips span { font-size: 13px; padding: 6px 14px; border-radius: 999px; background: #fff; color: var(--ink); }
.tcards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 50px; }
.tcard { background: var(--navy); border: 1px solid var(--line); border-radius: 18px; padding: 22px 18px; text-align: left; display: flex; flex-direction: column; gap: 6px; transition: transform .25s, border-color .25s; }
.tcard:hover { transform: translateY(-4px); border-color: var(--perch); }
.tcard small { color: var(--sky); font-size: 11px; } .tcard h4 { margin: 0; font-size: 20px; } .tcard p { margin: 0; font-size: 13px; color: var(--mu); min-height: 38px; }
.tcard .k { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); } .tcard .k b { font-family: var(--num); font-size: 26px; font-weight: 500; } .tcard .k span { display: block; font-size: 11px; color: var(--mu); }
.feat3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 50px; text-align: left; }
.feat3 div { background: #fff; border-radius: 18px; padding: 26px 22px; } .feat3 h4 { margin: 0 0 8px; font-size: 19px; } .feat3 p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--ink-mu); }
.feat3 .ic { font-family: var(--num); font-size: 13px; color: var(--cobalt); letter-spacing: .14em; margin-bottom: 14px; }
.skus { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 50px; text-align: left; }
.skus div { border: 1px solid var(--line); border-radius: 18px; padding: 26px 22px; background: var(--navy); } .skus b { font-size: 22px; } .skus p { margin: 8px 0 0; font-size: 14px; color: var(--mu); line-height: 1.6; }
.final { padding: 130px 0; background: radial-gradient(800px 400px at 50% 100%, #2486D255, transparent 70%), var(--abyss); }

/* 页脚 */
.sfoot { background: #030A14; color: #6F829A; font-size: 12px; padding: 34px 0 40px; border-top: 1px solid #ffffff0f; }
.sfoot .wrap { display: flex; flex-wrap: wrap; gap: 10px 26px; align-items: center; }
.sfoot .logo { display: flex; align-items: center; gap: 8px; color: #C9D6E6; font-weight: 600; } .sfoot .logo img { width: 20px; height: 20px; border-radius: 5px; }
.sfoot nav { display: flex; gap: 18px; margin-left: auto; } .sfoot a:hover { color: #fff; }
.sfoot .note { width: 100%; line-height: 1.7; }
.sfoot .filing { margin-top: -6px; } .sfoot .filing a { color: inherit; }

@media (max-width: 900px) {
  .tcards { grid-template-columns: 1fr 1fr; } .feat3, .skus { grid-template-columns: 1fr; } .split { grid-template-columns: 1fr; }
  .l3 { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .gnav nav { display: none; } .gnav .cta { margin-left: auto; }
  .subnav nav { display: none; } .subnav .cta { margin-left: auto; }
  .tiles { grid-template-columns: 1fr; padding: 8px; gap: 8px; } .tile { min-height: 480px; padding: 44px 20px 28px; border-radius: 16px; } .tile.full { min-height: 520px; }
  .pad { padding: 76px 0; }
  .device .scr { grid-template-columns: 1fr; } .device .scr > div { height: 260px; }
  .bign { grid-template-columns: 1fr; gap: 26px; }
  .entries { grid-template-columns: 1fr; }
  .tcards { grid-template-columns: 1fr; }
  .stats { gap: 10px; }
  .sfoot nav { margin-left: 0; }
}
@media (max-width: 720px) { .ridgeart { height: 70px; } .hero .wrap { padding-bottom: 110px; } }

/* 关于有栖 */
.ahero { min-height: 78vh; }
.asplit { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
.aprose p { font-size: 18px; line-height: 1.85; color: var(--ink-mu); margin: 0 0 16px; }
.afacts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 60px; }
.afacts div { background: #fff; border-radius: 18px; padding: 26px 24px; }
.afacts b { display: block; font-size: clamp(28px, 3.4vw, 40px); line-height: 1.15; color: var(--ink); }
.afacts span { display: block; margin-top: 8px; font-size: 14px; color: var(--ink-mu); }
.aname { display: grid; grid-template-columns: 220px 1fr; gap: 50px; align-items: center; max-width: 900px; margin: 50px auto 0; }
.aname img { width: 220px; height: 220px; border-radius: 48px; box-shadow: 0 30px 80px #2486D255; }
.aprod { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 50px; text-align: left; }
.aprod > * { background: #fff; border-radius: 22px; padding: 34px 30px; color: var(--ink); display: flex; flex-direction: column; gap: 8px; }
.aprod small { color: var(--cobalt); font-size: 13px; letter-spacing: .14em; } .aprod h3 { margin: 0; font-size: 30px; }
.aprod p { margin: 0; font-size: 15px; line-height: 1.7; color: var(--ink-mu); } .aprod span { margin-top: auto; padding-top: 10px; color: var(--cobalt); }
.aprod a:hover { box-shadow: 0 12px 40px #1A55B822; }
.feat3.dark3 > div { background: var(--navy); border: 1px solid var(--line); } .feat3.dark3 h4 { color: var(--tx); } .feat3.dark3 p { color: var(--mu); } .feat3.dark3 .ic { color: var(--sky); }
.atl { list-style: none; padding: 0; margin: 50px auto 0; max-width: 760px; text-align: left; position: relative; }
.atl::before { content: ""; position: absolute; left: 70px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(#3FA6DC, #1A55B8); opacity: .4; }
.atl li { display: grid; grid-template-columns: 70px 1fr; gap: 30px; padding: 0 0 30px; position: relative; }
.atl li::after { content: ""; position: absolute; left: 65px; top: 7px; width: 12px; height: 12px; border-radius: 50%; background: var(--plaster); border: 3px solid var(--perch); }
.atl b { font-size: 20px; color: var(--cobalt); } .atl h4 { margin: 0 0 4px; font-size: 19px; color: var(--ink); } .atl p { margin: 0; font-size: 15px; color: var(--ink-mu); line-height: 1.6; }
/* 关于页 · 团队（分栏：名单 + 详情） */
  .tc { display: grid; grid-template-columns: 340px 1fr; gap: 0; margin-top: 50px; text-align: left; border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: var(--navy); min-height: 420px; }
.tc ul { list-style: none; margin: 0; padding: 14px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; }
.tc li { padding: 16px 18px; border-radius: 14px; cursor: pointer; display: flex; justify-content: space-between; align-items: baseline; transition: background .2s; }
.tc li b { font-size: 19px; } .tc li span { font-family: var(--num); font-size: 12px; letter-spacing: .14em; color: var(--mu); }
.tc li:hover { background: #ffffff0a; } .tc li.on { background: var(--grad); } .tc li.on span { color: #E6F2FB; }
.tc .pane { position: relative; padding: 46px 48px; overflow: hidden; }
.tc .pane .big { position: absolute; right: -20px; bottom: -70px; font-size: 300px; font-weight: 800; line-height: 1; color: #ffffff08; pointer-events: none; }
.tc .pane small { color: var(--sky); letter-spacing: .2em; font-size: 12px; } .tc .pane h3 { margin: 8px 0 4px; font-size: 44px; } .tc .pane .role { color: var(--mu); font-size: 15px; }
.tc .pane ul.r { border: 0; padding: 0; margin: 22px 0 0; gap: 10px; } .tc .pane ul.r li { cursor: default; padding: 0 0 0 18px; position: relative; display: block; font-size: 16px; color: #C9D6E6; } .tc .pane ul.r li::before { content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 2px; background: var(--sky); } .tc .pane ul.r li:hover { background: none; }
.tc li:focus-visible { outline: 1px solid var(--sky); outline-offset: 2px; }
/* 切换动效：渐变滑块跟随选中项移动，详情逐行入场，大字水印从右侧滑入 */
.tc ul#tcl { position: relative; }
.tc ul#tcl li { position: relative; z-index: 1; background: none; transition: color .3s; }
.tc ul#tcl li.on { background: none; }
.tc .ind { position: absolute; z-index: 0; left: 0; top: 0; border-radius: 14px; background: var(--grad); box-shadow: 0 8px 24px #2486D255; pointer-events: none;
  transition: transform .45s cubic-bezier(.3,1.25,.4,1), width .45s cubic-bezier(.3,1.25,.4,1), height .45s cubic-bezier(.3,1.25,.4,1); }
.tc .pane.swap > * { animation: tcIn .5s cubic-bezier(.2,.7,.2,1) both; }
.tc .pane .bio { margin: 18px 0 0; max-width: 600px; font-size: 16px; line-height: 1.9; color: #C9D6E6; position: relative; }
.tc .pane .role + .bio { margin-top: 26px; }
.tc .pane.swap > .bio { animation-delay: .12s; } .tc .pane.swap > .bio + .bio { animation-delay: .2s; }
.tc .pane.swap > small { animation-delay: 0s; } .tc .pane.swap > h3 { animation-delay: .05s; } .tc .pane.swap > .role { animation-delay: .1s; }
.tc .pane.swap > ul.r { animation: none; } .tc .pane.swap > ul.r li { animation: tcIn .5s cubic-bezier(.2,.7,.2,1) both; }
.tc .pane.swap > ul.r li:nth-child(1) { animation-delay: .15s; } .tc .pane.swap > ul.r li:nth-child(2) { animation-delay: .21s; } .tc .pane.swap > ul.r li:nth-child(3) { animation-delay: .27s; } .tc .pane.swap > ul.r li:nth-child(n+4) { animation-delay: .33s; }
.tc .pane.swap > .big { animation: tcBig .8s cubic-bezier(.2,.7,.2,1) both; }
.tc .pane.back > * , .tc .pane.back > ul.r li { animation-name: tcInBack; }
@keyframes tcIn { from { opacity: 0; transform: translateY(14px); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes tcInBack { from { opacity: 0; transform: translateY(-14px); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes tcBig { from { opacity: 0; transform: translateX(80px) scale(.9); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .tc .ind { transition: none; } .tc .pane.swap > *, .tc .pane.swap > ul.r li, .tc .pane.swap > .big { animation: none; } }
@media (max-width: 760px) { .tc { grid-template-columns: 1fr; } .tc ul#tcl { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); } .tc ul#tcl { padding: 10px; gap: 6px; } .tc ul#tcl li { flex: 1 0 76px; flex-direction: column; align-items: center; gap: 2px; padding: 10px 6px; } .tc ul#tcl li b { font-size: 16px; } .tc .pane { padding: 30px 22px; min-height: 300px; } .tc .pane h3 { font-size: 34px; } .tc .pane .big { font-size: 200px; } }
.ateam { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 50px; }
.ateam div { background: var(--navy); border: 1px solid var(--line); border-radius: 22px; padding: 30px 20px; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.ateam i { font-style: normal; width: 76px; height: 76px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; font-size: 30px; font-weight: 600; margin-bottom: 12px; box-shadow: 0 10px 30px #2486D255; }
.ateam b { font-size: 20px; } .ateam span { font-size: 13px; color: var(--sky); } .ateam p { margin: 8px 0 0; font-size: 13px; color: var(--mu); }
.aaddr { margin: 40px auto 0; max-width: 560px; background: #fff; border-radius: 22px; padding: 34px 30px; }
.aaddr b { font-size: 20px; color: var(--ink); } .aaddr p { margin: 12px 0; font-size: 16px; line-height: 1.8; color: var(--ink-mu); } .aaddr span { font-size: 13px; color: var(--cobalt); }
@media (max-width: 900px) { .asplit, .aname, .aprod { grid-template-columns: 1fr; } .aname { justify-items: center; } .ateam { grid-template-columns: 1fr 1fr; } }
@media (max-width: 720px) { .afacts { grid-template-columns: 1fr; } .aname img { width: 160px; height: 160px; border-radius: 36px; } .atl::before { left: 52px; } .atl li { grid-template-columns: 52px 1fr; gap: 22px; } .atl li::after { left: 47px; } .atl b { font-size: 16px; } }
.feat3 .ic { background: none !important; border: 0 !important; padding: 0 !important; border-radius: 0; }