/* 表里如一 · 参赛作品公网入口 */
:root {
  --ink: #12211d;
  --ink-2: #43554f;
  --muted: #6f817b;
  --line: #e2eae7;
  --bg: #f7faf9;
  --card: #ffffff;
  --brand: #155d50;
  --brand-2: #1d7a68;
  --brand-soft: #e8f2ef;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(18, 33, 29, .04), 0 8px 24px rgba(18, 33, 29, .06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.72 "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1080px, calc(100% - 48px)); margin: 0 auto; }

/* ---------- 顶部 ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; }
.mark {
  width: 38px; height: 38px; flex: none;
  display: block; object-fit: cover;
  background: var(--brand); color: #fff;
  border-radius: 11px; font-size: 21px; font-weight: 700;
}
.brand h1 { margin: 0; font-size: 17px; letter-spacing: .5px; }
.brand .sub { margin: 0; font-size: 12px; color: var(--muted); }
.top nav { display: flex; gap: 22px; }
.top nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; }
.top nav a:hover { color: var(--brand); }

/* ---------- 首屏 ---------- */
.hero { padding: 74px 0 58px; background: linear-gradient(180deg, #fff, var(--bg)); }
.eyebrow {
  display: inline-block; margin: 0 0 18px;
  padding: 5px 13px; border-radius: 999px;
  background: var(--brand-soft); color: var(--brand);
  font-size: 12.5px; letter-spacing: .2px;
}
.hero h2 {
  margin: 0 0 20px; font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.3; letter-spacing: -.5px;
}
.lead { max-width: 780px; margin: 0 0 32px; color: var(--ink-2); font-size: 17px; }
.lead strong { color: var(--ink); box-shadow: inset 0 -8px 0 var(--brand-soft); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.note { margin: 20px 0 0; color: var(--muted); font-size: 13.5px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  text-decoration: none; font-size: 15px; font-weight: 500;
  transition: .16s ease;
}
.btn:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-1px); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }
.btn.big { padding: 14px 30px; font-size: 16.5px; }
.btn.disabled { opacity: .5; pointer-events: none; }

/* 次级文字链接：用于「查看安装命令」「下载合并脚本」等辅助入口 */
.textlink {
  display: inline-block; margin-top: 10px;
  color: var(--brand); font-size: 13.5px;
  text-decoration: none; border-bottom: 1px dashed currentColor;
}
.textlink:hover { color: var(--brand-2); border-bottom-style: solid; }

/* ---------- 数据条 ---------- */
.facts { padding: 8px 0 58px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid4 .card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 20px;
  box-shadow: var(--shadow);
}
.grid4 b { display: block; font-size: 26px; color: var(--brand); letter-spacing: -.5px; }
.grid4 span { display: block; margin-top: 6px; font-size: 13.5px; color: var(--ink-2); }

/* ---------- 区块 ---------- */
.band { padding: 66px 0; background: #fff; border-top: 1px solid var(--line); }
.band.alt { background: var(--bg); }
.band h3 { margin: 0 0 12px; font-size: 25px; letter-spacing: -.3px; }
.sec-lead { max-width: 760px; margin: 0 0 34px; color: var(--ink-2); }

/* ---------- 在线体验 ---------- */
.trybox { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.tryitem {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
}
.tryitem h4 { margin: 0 0 14px; font-size: 16px; }
.muted { color: var(--muted); }
.demo-account {
  margin: 16px 0 0; padding: 11px 14px;
  background: var(--brand-soft); border-radius: 9px;
  color: var(--ink-2); font-size: 13.5px;
}
.demo-account code { background: #fff; }
.copy-btn {
  margin-left: 8px; padding: 3px 11px;
  border: 1px solid var(--brand); border-radius: 7px;
  background: #fff; color: var(--brand);
  font-size: 12.5px; font-family: inherit; cursor: pointer;
  transition: .16s ease;
}
.copy-btn:hover { background: var(--brand); color: #fff; }
.steps { margin: 0; padding-left: 20px; color: var(--ink-2); font-size: 14.5px; }
.steps li { margin-bottom: 9px; }
.steps strong { color: var(--ink); }

/* ---------- 下载 ---------- */
.dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.dlcard {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.dlcard h4 { margin: 0 0 10px; font-size: 16px; }
.dlcard p { margin: 0 0 14px; color: var(--ink-2); font-size: 14.5px; }
.dlcard .btn { margin-top: auto; align-self: flex-start; }
.tag {
  margin-left: 6px; padding: 2px 8px; border-radius: 6px;
  background: var(--brand-soft); color: var(--brand); font-size: 11.5px; font-weight: 600;
}
.meta { margin: 0 0 16px; padding-left: 18px; color: var(--muted); font-size: 13.5px; }
.meta li { margin-bottom: 5px; }
code {
  padding: 2px 6px; border-radius: 5px;
  background: var(--brand-soft); color: var(--brand);
  font: 13px/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace;
}
.docker {
  margin-top: 22px; padding: 22px 24px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.docker h4 { margin: 0 0 12px; font-size: 15px; }
pre {
  margin: 0 0 12px; padding: 15px 17px; overflow-x: auto;
  background: #10201c; border-radius: 10px;
}
pre code { background: none; color: #cfe9e2; padding: 0; font-size: 13px; }

/* ---------- 工作流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fstep {
  position: relative;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.fstep b {
  display: grid; place-items: center; width: 28px; height: 28px;
  margin-bottom: 12px; border-radius: 9px;
  background: var(--brand); color: #fff; font-size: 14px;
}
.fstep h5 { margin: 0 0 8px; font-size: 15px; }
.fstep p { margin: 0; color: var(--ink-2); font-size: 14px; }
.fstep strong { color: var(--brand); }

.modes, .highlights { margin-top: 38px; }
.modes h4, .highlights h4 { margin: 0 0 14px; font-size: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
th, td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: var(--brand-soft); color: var(--brand); font-size: 13.5px; font-weight: 600; }
tbody tr:last-child td { border-bottom: none; }
td b { color: var(--brand); }

.hl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 26px; margin: 0; padding: 0; list-style: none; }
.hl li { position: relative; padding-left: 22px; color: var(--ink-2); font-size: 14.5px; }
.hl li::before {
  content: ""; position: absolute; left: 4px; top: 10px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--brand);
}
.hl b { color: var(--ink); }

/* ---------- 平台下载卡 ---------- */
.plat { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 16px; }
.platcard { min-width: 0; }
.platcard .btn { max-width: 100%; white-space: normal; }
#domestic-install, #domestic-download { scroll-margin-top: 90px; }
.platcard {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
  transition: .18s ease;
}
.platcard.current { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft), var(--shadow); }
.platcard .phead { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; }
.platcard h4 { margin: 0; font-size: 16px; }
.pico { font-size: 19px; line-height: 1; }
.platcard .btn { margin-top: auto; align-self: flex-start; }
.platcard .meta { margin-bottom: 16px; }
.pstate { margin: 0 0 12px; font-size: 12.5px; font-weight: 600; }
.pstate.ready { color: var(--brand); }
.pstate.prep { color: #8a6d1f; }
.pstate.plan { color: var(--muted); }
.badge-current {
  margin-left: 6px; padding: 1px 7px; border-radius: 6px;
  background: var(--brand); color: #fff; font-size: 11px; font-weight: 600;
}
.dl-note {
  margin: 18px 0 30px; padding: 14px 18px;
  background: var(--brand-soft); border-radius: var(--radius);
  color: var(--ink-2); font-size: 13.5px; line-height: 1.7;
}
.dl-note strong { color: var(--brand); }

/* ---------- 文档 ---------- */
.docs { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.docs h4 { margin: 0 0 12px; font-size: 16px; }


/* ---------- 页脚 ---------- */
footer { padding: 36px 0; background: #10201c; color: #9fb8b2; font-size: 13.5px; }
footer p { margin: 0 0 6px; }
footer .small { font-size: 12.5px; color: #74908a; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .dl { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .trybox, .docs { grid-template-columns: 1fr; }
  .top nav { display: none; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 32px); }
  .grid4, .flow, .hl { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .band { padding: 48px 0; }
}

/* ---------- 下载中心 ---------- */
.download-center{padding:76px 0 82px;background:#f0f5f2;border-top:1px solid #dfe9e4;scroll-margin-top:68px}
.download-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px}
.download-kicker{display:flex;align-items:center;gap:8px;margin:0 0 9px;color:#66776e;font-size:12px;font-weight:650}
.live-dot,.ready-dot{width:8px;height:8px;flex:none;border-radius:50%;background:#3c8c68;box-shadow:0 0 0 4px #d9ede0}
.download-heading h3{margin:0;font-size:32px;line-height:1.2;color:#172b25}
.download-lead{margin:10px 0 0;color:#65756f;font-size:14px}
.download-state{display:flex;align-items:center;gap:11px;padding:12px 15px;background:#fff;border:1px solid #e0e9e4;border-radius:8px;min-width:220px}
.state-symbol{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e9f2ed;color:#317455;font-weight:700}
.download-state b,.download-state small{display:block}.download-state b{font-size:12px;color:#263a33}.download-state small{margin-top:2px;color:#8a9992;font-size:10px}
.download-workspace{overflow:hidden;background:#fff;border:1px solid #dce7e1;border-radius:10px;box-shadow:0 12px 34px #1a3d2b0b}
.platform-rail{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:10px;border-bottom:1px solid #e9efec;background:#fbfcfb;gap:5px}
.platform-tab{display:flex;align-items:center;justify-content:center;gap:9px;min-width:0;min-height:48px;padding:8px 10px;border:0;border-radius:7px;background:transparent;color:#62736c;font-family:inherit;font-size:12px;font-weight:600;line-height:1.2;cursor:pointer;transition:background .16s,color .16s}
.platform-tab:hover{background:#f0f5f2;color:#183c2f}.platform-tab.selected{background:#e6f1ea;color:#1d6949;box-shadow:inset 0 0 0 1px #d5e7db}
.platform-mark{display:grid;place-items:center;width:24px;height:24px;flex:none;border:1px solid #c9d8d0;border-radius:6px;background:#fff;color:#60736a;font-size:10px;font-weight:700}
.selected .platform-mark{border-color:#b8d5c2;color:#266e4e}
.windows-mark{grid-template-columns:repeat(2,6px);grid-template-rows:repeat(2,6px);gap:2px}.windows-mark i{width:6px;height:6px;background:currentColor}
.download-main{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(280px,.85fr);gap:34px;padding:32px 34px 30px}
.download-product{min-width:0;padding:5px 0}
.product-overline{display:flex;align-items:center;gap:10px;min-height:20px;color:#6b7b74;font-size:11px}
.ready-dot{width:7px;height:7px;box-shadow:none}.version-chip{padding:3px 8px;border-radius:5px;background:#f2eee1;color:#795d28;font-size:10px;font-weight:700}
.download-product h4{margin:16px 0 8px;color:#172b25;font-size:25px;line-height:1.3}
.product-copy{max-width:520px;min-height:48px;margin:0;color:#66766f;font-size:13px;line-height:1.7}
.package-list{display:grid;gap:9px;margin-top:20px}
.package-primary,.package-secondary{display:flex;align-items:center;gap:12px;min-height:68px;padding:12px 14px;border-radius:8px;text-decoration:none;transition:transform .16s,border-color .16s,background .16s}
.package-primary{background:#174f3c;color:#fff;border:1px solid #174f3c}.package-primary:hover{background:#21694e;border-color:#21694e;transform:translateY(-1px)}
.package-icon{display:grid;place-items:center;width:32px;height:32px;flex:none;border-radius:7px;background:#ffffff20;color:#fff;font-size:19px}
.package-primary b,.package-secondary b{display:block;font-size:13px}.package-primary small,.package-secondary small{display:block;margin-top:3px;font-size:10px;opacity:.76}
.package-arrow{margin-left:auto;font-size:14px;opacity:.75}
.package-secondary{justify-content:space-between;background:#fff;color:#2b3f36;border:1px solid #e2eae5}.package-secondary:hover{border-color:#9fc5ad;background:#f9fcfa}.package-secondary>span:last-child{color:#397b58;font-size:17px}
.download-feedback{min-height:18px;margin:9px 0 0;color:#397b58;font-size:10px}
.download-helper{display:flex;align-items:center;gap:10px;margin:10px 0 0;font-size:10px;line-height:1.5}
.download-helper a{color:#347450;font-weight:650;text-decoration:none}
.download-helper a:hover{text-decoration:underline}
.download-helper span{color:#89968f}
.product-facts{display:flex;gap:15px;flex-wrap:wrap;margin-top:15px;padding-top:13px;border-top:1px solid #edf1ee;color:#89968f;font-size:10px}
.product-facts b{color:#52685d;font-weight:650}
.product-preview{align-self:stretch;min-width:0;padding:12px;background:#edf3ef;border-radius:8px}
.preview-label{display:flex;justify-content:space-between;align-items:center;padding:1px 2px 9px;color:#3e5148;font-size:10px;font-weight:650}.preview-label span:last-child{color:#8a9991;font-weight:400}
.product-preview img{display:block;width:100%;height:266px;object-fit:cover;object-position:center 8%;border:1px solid #d7e1db;border-radius:5px;background:#fff}
.product-preview p{margin:9px 2px 1px;color:#75847d;font-size:10px;line-height:1.5}
.download-secondary-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin:38px 0 14px}
.download-secondary-heading h4{margin:0;color:#20342c;font-size:16px}.download-secondary-heading p{margin:3px 0 0;color:#819088;font-size:11px}
.download-secondary-heading>a{color:#476b58;text-decoration:none;font-size:11px}.download-secondary-heading>a:hover{text-decoration:underline}
.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.resource-item{display:flex;align-items:center;gap:12px;min-width:0;padding:15px;background:#fff;border:1px solid #e0e8e3;border-radius:8px;transition:border-color .16s,transform .16s}
.resource-item:hover{border-color:#b5d0bf;transform:translateY(-1px)}.resource-symbol{display:grid;place-items:center;width:36px;height:36px;flex:none;border-radius:8px;font-size:10px;font-weight:750}
.template-symbol{background:#e7f2eb;color:#32724f}.source-symbol{background:#f1ece2;color:#8a6530}.model-symbol{background:#e8edf1;color:#476376}
.resource-item>div:nth-child(2){min-width:0;flex:1}.resource-item h5{margin:0;color:#2b3f36;font-size:11px}.resource-item p{overflow:hidden;margin:2px 0;color:#78877f;font-size:9px;text-overflow:ellipsis;white-space:nowrap}.resource-item small{color:#a0aaa4;font-size:9px}
.resource-action{display:grid;place-items:center;width:30px;height:30px;flex:none;border:1px solid #dfe8e2;border-radius:6px;color:#356c4c;text-decoration:none;font-size:16px}.resource-action:hover{background:#eaf3ed;border-color:#c1d8c8}
.model-note{margin:10px 0 0;color:#89968f;font-size:10px}
.install-details{margin-top:22px;border-top:1px solid #dce6e0;border-bottom:1px solid #dce6e0}
.install-details summary{padding:14px 2px;color:#52665b;font-size:12px;font-weight:650;cursor:pointer;list-style:none}.install-details summary::-webkit-details-marker{display:none}.install-details summary:after{content:'＋';float:right;color:#648672}.install-details[open] summary:after{content:'−'}
.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:4px 0 15px}.install-grid h5{margin:9px 0;color:#2f473a;font-size:12px}.install-grid p,.mobile-note span{color:#77867e;font-size:10px;line-height:1.7}.install-grid pre{margin:10px 0;padding:12px;border-radius:6px;background:#1d332b}.install-grid pre code{color:#d1e8d9;font-size:10px}.install-grid .textlink{font-size:10px}
.mobile-note{display:flex;align-items:center;gap:13px;padding:13px 0 16px;border-top:1px solid #e6ece8}.mobile-note b{flex:none;color:#41594c;font-size:11px}.mobile-note span{flex:1}.mobile-note a{flex:none;color:#3f7354;text-decoration:none;font-size:10px}
@media(max-width:800px){.download-main{grid-template-columns:minmax(0,1fr) minmax(220px,.8fr);gap:20px;padding:26px}.resource-grid{grid-template-columns:1fr 1fr}.download-state{min-width:190px}}
@media(max-width:620px){.download-center{padding:52px 0 58px}.download-heading{align-items:flex-start;flex-direction:column;gap:16px}.download-heading h3{font-size:27px}.download-state{min-width:0}.platform-rail{display:flex;overflow-x:auto;scrollbar-width:thin}.platform-tab{flex:none;min-width:108px}.platform-tab:last-child{min-width:130px}.download-main{grid-template-columns:1fr;padding:20px;gap:18px}.download-product h4{font-size:22px}.product-preview{order:-1}.product-preview img{height:190px}.product-facts{gap:10px}.resource-grid{grid-template-columns:1fr}.download-secondary-heading{align-items:flex-start}.install-grid{grid-template-columns:1fr;gap:8px}.mobile-note{align-items:flex-start;flex-wrap:wrap}.mobile-note span{flex-basis:calc(100% - 120px)}.mobile-note a{margin-left:auto}.download-helper{align-items:flex-start;flex-direction:column;gap:3px}}