/* ===== 阿甘云 AganCloud — 全站样式（DeepSeek 风格：白底、大留白、深蓝 accent）===== */
:root {
  --accent: #E94D18;
  --accent-dark: #C93E10;
  --ink: #1B1F2A;
  --ink-2: #4E5566;
  --ink-3: #8A90A0;
  --line: #E8EAF1;
  --bg: #FFFFFF;
  --bg-soft: #F7F8FC;
  --radius: 12px;
  --maxw: 1080px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
.hidden { display: none !important; }

/* ===== 导航 ===== */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.86); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; height: 60px; display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 600; letter-spacing: .5px; }
.brand .logo { width: 30px; height: auto; }
.brand .wordmark { height: 22px; width: auto; }
.footer-brand .logo { width: 24px; height: auto; }
.footer-brand .wordmark { height: 17px; width: auto; }
.brand-tag { font-style: normal; font-size: 12px; font-weight: 500; color: var(--accent); background: #FDECE4; padding: 2px 8px; border-radius: 999px; }
.nav-links { display: flex; gap: 28px; font-size: 14.5px; color: var(--ink-2); flex: 1; }
.nav-links a { padding: 6px 2px; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active { font-weight: 600; }
.nav-actions { display: flex; gap: 12px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-size: 14px; font-weight: 500; padding: 8px 18px; border-radius: 9px; border: 1px solid transparent; cursor: pointer; transition: all .15s; font-family: inherit; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: #fff; color: var(--ink-2); border-color: var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: #D5D9E4; }

/* ===== Hero ===== */
.hero { text-align: center; padding: 96px 24px 72px; }
.hero-title { font-size: clamp(34px, 5.4vw, 56px); font-weight: 700; line-height: 1.25; letter-spacing: -0.5px; }
.hero-sub { margin-top: 18px; font-size: 17px; color: var(--ink-3); letter-spacing: 2px; }
.hero-box { margin: 44px auto 0; max-width: 620px; }
.hero-input { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; cursor: pointer; transition: all .2s; background: #fff; box-shadow: 0 2px 12px rgba(27,31,42,.04); }
.hero-input:hover { border-color: var(--accent); box-shadow: 0 4px 20px rgba(233,77,24,.12); }
.hero-placeholder { color: var(--ink-3); font-size: 15px; flex: 1; text-align: left; transition: opacity .2s; }
.hero-caret { width: 2px; height: 20px; background: var(--accent); animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-send { width: 32px; height: 32px; border: none; border-radius: 8px; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; }
.hero-hint { margin-top: 12px; font-size: 12.5px; color: #B4B9C6; }

/* ===== 卡片 ===== */
.features { padding: 24px 24px 80px; }
.features-inner { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; transition: all .2s; background: #fff; }
.card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(233,77,24,.08); }
.card-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.card h3 { font-size: 16.5px; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--ink-2); line-height: 1.75; }

/* ===== 数字 ===== */
.stats { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 48px 24px; }
.stats-inner { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-num { font-size: 34px; font-weight: 700; color: var(--accent); }
.stat-label { margin-top: 8px; font-size: 13px; color: var(--ink-3); }

/* ===== 关于 ===== */
.about { padding: 88px 24px; }
.about-inner { max-width: 720px; margin: 0 auto; }
.about h2, .contact h2, .tools h2, .apis h2 { font-size: 26px; margin-bottom: 24px; letter-spacing: -0.3px; }
.about p { font-size: 15px; color: var(--ink-2); line-height: 1.9; margin-bottom: 14px; }
.about-quote { color: var(--accent) !important; font-weight: 600; font-size: 16px !important; text-align: center; margin-top: 36px !important; }

/* ===== 联系 ===== */
.contact { padding: 0 24px 88px; }
.contact-inner { max-width: 720px; margin: 0 auto; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-label { font-size: 12.5px; color: var(--ink-3); margin-bottom: 6px; }
.contact-val { font-size: 15px; font-weight: 600; }

/* ===== 平台头 ===== */
.plat-hero { text-align: center; padding: 72px 24px 48px; background: linear-gradient(180deg, #F7F8FC 0%, #fff 100%); }
.plat-hero h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; }
.plat-hero p { margin-top: 14px; color: var(--ink-2); font-size: 15.5px; }
.plat-hero strong { color: var(--accent); }

/* ===== 工具区 ===== */
.tools { padding: 24px 24px 72px; }
.tools-inner { max-width: 860px; margin: 0 auto; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.tab { font-size: 14px; padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink-2); cursor: pointer; font-family: inherit; transition: all .15s; }
.tab:hover { border-color: var(--accent); color: var(--accent); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; }
.tool-panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; background: #fff; }
.tool-panel > h2 { font-size: 20px; margin-bottom: 8px; }
.tool-desc { font-size: 13.5px; color: var(--ink-3); margin-bottom: 20px; line-height: 1.7; }
.tool-desc code { background: var(--bg-soft); padding: 2px 6px; border-radius: 5px; font-size: 12.5px; color: var(--accent); }
.dropzone { border: 1.5px dashed #C9CFDF; border-radius: 10px; padding: 40px 20px; text-align: center; font-size: 14px; color: var(--ink-3); cursor: pointer; transition: all .15s; margin-bottom: 14px; }
.dropzone:hover, .dropzone.over { border-color: var(--accent); background: #FDF1EA; color: var(--accent); }
.dropzone.filled { border-style: solid; border-color: var(--accent); color: var(--accent); background: #FDF1EA; }
.file-list { list-style: none; margin-bottom: 16px; }
.file-list li { font-size: 13px; color: var(--ink-2); padding: 7px 12px; background: var(--bg-soft); border-radius: 7px; margin-bottom: 6px; }
.text-input { width: 100%; font-size: 14px; padding: 11px 14px; border: 1px solid var(--line); border-radius: 9px; margin-bottom: 16px; font-family: inherit; outline: none; transition: border-color .15s; }
.text-input:focus { border-color: var(--accent); }
.run { margin-top: 4px; }
.result { margin-top: 18px; font-size: 14px; line-height: 1.7; }
.result .ok { color: #059669; }
.result .err { color: #DC2626; }
.result .note { display: block; margin-top: 8px; color: var(--ink-3); font-size: 12.5px; }
.output-area { width: 100%; height: 280px; border: 1px solid var(--line); border-radius: 9px; padding: 14px; font-size: 13px; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; resize: vertical; outline: none; }
#downloadText { margin-top: 12px; }

/* ===== 能力矩阵 ===== */
.apis { background: var(--bg-soft); border-top: 1px solid var(--line); padding: 80px 24px; }
.apis-inner { max-width: var(--maxw); margin: 0 auto; }
.apis-sub { color: var(--ink-2); font-size: 15px; margin-bottom: 36px; max-width: 640px; line-height: 1.8; }
.api-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.api-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.api-card h3 { font-size: 16px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.api-card p { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; }
.badge { font-size: 11px; font-weight: 500; padding: 2.5px 9px; border-radius: 999px; }
.badge.live { background: #ECFDF5; color: #059669; }
.badge.beta { background: #FFF7ED; color: #EA580C; }
.badge.soon { background: var(--bg-soft); color: var(--ink-3); }

/* ===== 页脚 ===== */
.footer { border-top: 1px solid var(--line); padding: 36px 24px; background: #fff; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 14.5px; }
.footer-brand .logo { width: 24px; height: auto; }
.footer-links { display: flex; gap: 22px; font-size: 13.5px; color: var(--ink-2); flex: 1; }
.footer-links a:hover { color: var(--accent); }
.footer-meta { font-size: 12.5px; color: var(--ink-3); line-height: 1.8; }
.footer-meta .tm-line { font-size: 11.5px; opacity: .75; }

.features-two { padding-bottom: 56px; }
.features-two .features-inner { grid-template-columns: repeat(2, 1fr); }

/* ===== 合作伙伴（首页精选条） ===== */
.partners-strip { padding: 64px 24px 72px; background: var(--bg-soft); border-top: 1px solid var(--line); }
.partners-strip-inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.partners-strip-title { font-size: 15px; font-weight: 500; color: var(--ink-3); letter-spacing: 4px; margin-bottom: 32px; }
.partners-strip-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 18px; }
.partner-badge { font-size: 16px; font-weight: 600; color: var(--ink-2); background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 26px; letter-spacing: 1px; transition: all .2s; }
.partner-badge:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.partners-more { display: inline-block; margin-top: 30px; font-size: 14px; color: var(--accent); }
.partners-more:hover { color: var(--accent-dark); }

/* ===== 合作伙伴页 ===== */
.tools-alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.industry-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 10px; }
.industry-head h2 { font-size: 22px; letter-spacing: -0.3px; }
.industry-num { font-size: 14px; font-weight: 700; color: var(--accent); font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.industry-sub { font-size: 14px; color: var(--ink-3); margin-bottom: 26px; }
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.partner-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: all .2s; }
.partner-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(233,77,24,.07); }
.partner-card h3 { font-size: 16.5px; margin-bottom: 6px; }
.partner-ind { font-size: 12.5px; color: var(--accent); margin-bottom: 12px; }
.partner-card p:not(.partner-ind) { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; }

/* ===== 品牌历程时间线 ===== */
.timeline { border-left: 2px solid var(--line); padding-left: 28px; display: flex; flex-direction: column; gap: 34px; }
.tl-item { position: relative; }
.tl-item::before { content: ""; position: absolute; left: -34px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: #fff; border: 2px solid var(--ink-3); }
.tl-hl::before { border-color: var(--accent); background: var(--accent); }
.tl-year { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: 1px; margin-bottom: 6px; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.tl-body h3 { font-size: 17px; margin-bottom: 8px; }
.tl-body p { font-size: 14px; color: var(--ink-2); line-height: 1.85; }
.tl-src { display: inline-block; margin-top: 6px; font-size: 12px; color: var(--ink-3); }

/* ===== 响应式 ===== */
@media (max-width: 860px) {
  .features-inner, .api-grid, .stats-inner, .contact-grid { grid-template-columns: 1fr; }
  .features-two .features-inner { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr; }
  .stats-inner { gap: 32px; }
  .nav-links { display: none; }
  .tool-panel { padding: 22px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
}