/* ==========================================================================
   Wiki 官网 & 账号页样式
   ========================================================================== */
:root {
    --primary: #448AFF;
    --primary-dark: #2F75F0;
    --primary-soft: #eef2ff;
    --text: #111827;
    --text-2: #374151;
    --muted: #6b7280;
    --line: #e5e7eb;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --radius: 8px;
    --shadow-sm: 0 1px 2px rgba(17, 24, 39, .06);
    --shadow-md: 0 10px 30px rgba(17, 24, 39, .08);
    --max: 1160px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body.site-body {
    /* font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 40px;
    padding: 0 18px;
    border-radius: 5px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .18s ease;
    white-space: nowrap;
}

.btn-lg { height: 48px; padding: 0 26px; font-size: 15px; border-radius: 8px; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; 
    /* transform: translateY(-1px); box-shadow: 0 8px 20px rgba(79, 70, 229, .25);  */
}

.btn-outline { background: #fff; color: var(--text-2); border-color: var(--line); }
.btn-outline:hover { border-color: #c7cbd4; color: var(--text); }

.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-alt); color: var(--text); }

/* ---------- 顶栏 ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid transparent;
    transition: border-color .2s, box-shadow .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 2px 10px rgba(17, 24, 39, .04); }

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 17px; }
.brand:hover { color: var(--text); }
.brand-mark {
    width: 32px; height: 32px; 
    /* border-radius: 9px; */
    /* background: linear-gradient(135deg, #6366f1, #4f46e5); */
    /* color: #fff; font-size: 16px; font-weight: 800; */
    /* display: inline-flex; align-items: center; justify-content: center; */
    /* box-shadow: 0 4px 12px rgba(79, 70, 229, .3); */
}
.brand-name { letter-spacing: .2px; }
.brand-en { margin-left: 7px; font-size: 12.5px; font-weight: 600; color: var(--muted); letter-spacing: .5px; }

.header-actions { display: flex; align-items: center; gap: 8px; }

/* 顶栏导航 */
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a { font-size: 13.5px; font-weight: 500; color: var(--text-2); position: relative; padding: 4px 0; transition: color .18s ease; }
.site-nav a:hover { color: var(--primary); }

/* ---------- 首屏 ---------- */
.hero {
    position: relative;
    padding: 96px 0 128px;
    color: var(--text);
    background: #f4f7fe;
}

.hero-inner { position: relative; z-index: 2; display: block; }
.hero-copy { max-width: 880px; margin: 0 auto; text-align: center; }
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 7px 16px; border-radius: 999px;
    border: 1px solid #d7e4ff;
    background: rgba(255, 255, 255, .92);
    font-size: 12.5px; font-weight: 500; letter-spacing: .04em; color: #3b5b8a;
    box-shadow: 0 4px 14px rgba(23, 37, 84, .05);
}
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: #10b981; box-shadow: 0 0 0 4px rgba(16, 185, 129, .14); }

.hero-title {
    margin: 30px 0 0;
    font-size: clamp(42px, 6.2vw, 76px);
    line-height: 1.14;
    letter-spacing: -.045em;
    font-weight: 800;
}
.hero-title .title-lead { 
    /* display: block; */
     color: #0f172a; }
.hero-title .title-accent {
    /* display: block; */
    background: linear-gradient(96deg, #2f6fe0 0%, #6d5ef0 46%, #0ea5e9 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { max-width: 660px; margin: 26px auto 0; font-size: 16.5px; line-height: 1.9; color: var(--muted); }
.hero-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 38px; }
.btn-hero { height: 54px; padding: 0 30px; border-radius: 12px; font-size: 15px; }
.btn-icon { display: inline-flex; width: 16px; height: 16px; margin-left: 2px; }
.btn-icon svg { width: 100%; height: 100%; }
.btn-primary.btn-hero { box-shadow: 0 8px 18px rgba(68, 138, 255, .22), inset 0 1px 0 rgba(255, 255, 255, .28); }
.btn-primary.btn-hero:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(68, 138, 255, .26), inset 0 1px 0 rgba(255, 255, 255, .28); }
.btn-glass { background: #fff; border: 1px solid #dce6f5; color: var(--text-2); box-shadow: 0 6px 18px rgba(23, 37, 84, .06); }
.btn-glass:hover { background: #fff; border-color: #b9cef2; color: var(--primary); }

.hero-proof { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 40px; flex-wrap: wrap; }
.avatar-stack { display: flex; align-items: center; }
.avatar-stack img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; border: 2px solid #fff; margin-left: -10px; box-shadow: 0 6px 16px rgba(23, 37, 84, .16); }
.avatar-stack img:first-child { margin-left: 0; }
.hero-proof > span { font-size: 13px; color: var(--muted); }

/* 产品舞台 */
.stage { position: relative; max-width: 1120px; margin: 72px auto 0; }
.stage-window { position: relative; background: #fff; border-radius: 20px; overflow: hidden; color: var(--text); box-shadow: 0 10px 26px rgba(23, 37, 84, .10), 0 0 0 1px #e6edf8; }
.stage-bar { display: flex; align-items: center; gap: 14px; height: 46px; padding: 0 18px; background: #f7f9fc; border-bottom: 1px solid #e8edf5; }
.stage-dots { display: flex; gap: 7px; flex: 0 0 auto; }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f57; } .dot.yellow { background: #febc2e; } .dot.green { background: #28c840; }
.stage-url { display: flex; align-items: center; gap: 7px; flex: 1; max-width: 420px; height: 28px; margin: 0 auto; padding: 0 12px; border: 1px solid #e6ebf3; border-radius: 8px; background: #fff; font-size: 11.5px; color: #8b93a1; }
.url-lock { width: 13px; height: 13px; display: inline-flex; color: #9aa4b2; }
.url-lock svg { width: 100%; height: 100%; }
.stage-saved { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; font-size: 11.5px; color: #059669; }
.saved-dot { width: 6px; height: 6px; border-radius: 50%; background: #10b981; display: inline-block; box-shadow: 0 0 0 3px rgba(16, 185, 129, .14); }

.stage-body { display: grid; grid-template-columns: 216px 1fr 208px; min-height: 404px; }
.stage-side { background: #f8fafc; border-right: 1px solid #eef1f6; padding: 20px 14px; }
.stage-side-head { display: flex; align-items: center; justify-content: space-between; padding: 0 8px 10px; font-size: 11px; font-weight: 600; letter-spacing: .06em; color: #94a0b0; }
.stage-side-head em { font-style: normal; }
.stage-kb { display: flex; align-items: center; gap: 9px; padding: 9px; border-radius: 9px; font-size: 12.5px; color: #5b6675; margin-bottom: 2px; }
.stage-kb em { margin-left: auto; font-style: normal; font-size: 10.5px; color: #a3adba; }
.stage-kb.active { background: #eaf1ff; color: #2f6fe0; font-weight: 600; }
.stage-kb.active em { color: #7ea6e8; }
.kb-ico { width: 22px; height: 22px; border-radius: 6px; background: #e3ecff; color: #4f7fe0; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; flex: 0 0 auto; }
.kb-ico.sky { background: #e0f3ff; color: #0d8bd9; }
.kb-ico.green { background: #e3f8ee; color: #0c9a63; }
.kb-ico.amber { background: #fff3e0; color: #b87514; }
.stage-new { margin-top: 14px; padding: 9px; border: 1px dashed #dbe3ef; border-radius: 9px; font-size: 11.5px; color: #8b96a6; text-align: center; }

.stage-main { padding: 28px 36px; min-width: 0; }
.stage-crumb { font-size: 11px; color: #9aa4b2; letter-spacing: .02em; }
.stage-crumb span { margin: 0 6px; color: #c9d0da; }
.stage-main h3 { margin: 12px 0 6px; font-size: 27px; letter-spacing: -.02em; font-weight: 750; }
.stage-meta { font-size: 11px; color: #a0a9b6; }
.stage-main p { margin: 16px 0 0; font-size: 13px; line-height: 1.95; color: #4a5565; }
.stage-quote { margin-top: 16px; padding: 12px 16px; border-left: 3px solid #448aff; border-radius: 0 10px 10px 0; background: #f3f7ff; font-size: 12.5px; color: #3b4c63; }
.stage-tags { display: flex; gap: 8px; margin-top: 16px; }
.stage-tags em { font-style: normal; font-size: 10.5px; padding: 3px 9px; border-radius: 999px; background: #f1f4f9; color: #7c8796; }

.stage-panel { background: linear-gradient(180deg, #f9fbff, #f2f6fd); border-left: 1px solid #eef1f6; padding: 24px 20px; }
.stage-panel-head { font-size: 11px; font-weight: 600; letter-spacing: .06em; color: #94a0b0; margin-bottom: 14px; }
.stage-toggle { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; font-weight: 600; color: #3b4656; }
.switch { position: relative; width: 36px; height: 19px; border-radius: 999px; background: var(--primary); flex: 0 0 auto; }
.switch::after { content: ""; position: absolute; top: 3px; right: 3px; width: 13px; height: 13px; border-radius: 50%; background: #fff; }
.stage-link { margin-top: 14px; padding: 8px 10px; border: 1px solid #e3eaf5; border-radius: 8px; background: #fff; font-size: 10.5px; color: #7f8a99; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stage-link-meta { margin-top: 7px; font-size: 10px; color: #a3adba; }
.stage-stat { margin-top: 26px; padding: 16px; border: 1px solid #e5ecf8; border-radius: 12px; background: #fff; display: grid; gap: 2px; }
.stage-stat strong { font-size: 26px; line-height: 1.1; letter-spacing: -.02em; color: #2f6fe0; }
.stage-stat span { font-size: 10.5px; color: #9aa4b2; }

/* ---------- 通用区块 ---------- */
.section { padding: 76px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { text-align: center; max-width: 660px; margin: 0 auto 44px; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head h2 { font-size: 32px; letter-spacing: -.4px; margin: 0 0 12px; font-weight: 750; }
.section-head p { color: var(--muted); margin: 0; font-size: 15.5px; }

/* 左右分布的区块标题 */
.section-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }

/* 首页区块与标题 */
.home-section { padding: 104px 0; }
/* .sec-label { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 16px; color: var(--primary); font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.sec-label::before { content: ""; width: 28px; height: 1px; background: currentColor; opacity: .6; }
.sec-label.light { color: #93c5fd; } */
.sec-head { max-width: 740px; margin: 0 auto 52px; text-align: center; }
.sec-head.left { margin-left: 0; text-align: left; }
.sec-head h2 { margin: 0 0 14px; font-size: clamp(28px, 3.4vw, 40px); line-height: 1.28; letter-spacing: -.035em; font-weight: 800; }
.sec-head p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.85; }
.sec-head.split { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; max-width: none; text-align: left; margin-bottom: 48px; }
.sec-head.split > div { max-width: 680px; }
.sec-badge { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; padding: 9px 16px; border: 1px solid #dbe7ff; border-radius: 999px; background: #fff; font-size: 12.5px; font-weight: 600; color: #2f6fe0; box-shadow: var(--shadow-sm); }
.sec-badge svg { width: 16px; height: 16px; }

/* ---------- 公开知识库 ---------- */
.public-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.public-card {
    display: flex; flex-direction: row; gap: 0; min-height: 168px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 0; overflow: hidden; color: var(--text); 
    /* transition: all .2s ease; */
}
/* .public-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #d9dced; color: var(--text); } */
.public-card-cover {
    width: 116px; flex: 0 0 116px; background: #EAF1FF;
    display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.public-card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.public-card-cover.is-empty span { font-size: 34px; font-weight: 750; color: #818cf8; }
.public-card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; min-width: 0; }
.public-card-top { display: flex; align-items: center; gap: 10px; min-width: 0; }
.public-card-name { font-size: 15.5px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.public-card-desc {
    margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
    text-indent: 2rem;
}
.public-card-foot {
    display: flex; align-items: center; justify-content: space-between;
    font-size: 12px; color: var(--muted); padding-top: 10px; border-top: 1px dashed var(--line);
}
.public-empty {
    padding: 46px 24px; text-align: center; border: 1.5px dashed #d3d7e0; border-radius: var(--radius);
    color: var(--muted); font-size: 14px; background: #fcfcfd;
}

/* ---------- 笔记 ---------- */
.feat-section {
    background:
        radial-gradient(680px 420px at 88% 20%, rgba(68, 138, 255, .07), transparent 70%),
        #fff;
}
.feat-grid { display: grid; grid-template-columns: .84fr 1.16fr; gap: 64px; align-items: center; }
.feat-copy h2 { margin: 0 0 18px; font-size: clamp(30px, 3.6vw, 42px); line-height: 1.24; letter-spacing: -.035em; font-weight: 800; }
.feat-lead { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.9; }
.feat-list { list-style: none; margin: 36px 0 0; padding: 0; display: grid; gap: 20px; }
.feat-item { display: flex; gap: 16px; }
.feat-num { width: 34px; height: 34px; flex: 0 0 34px; border-radius: 10px; background: #eef4ff; color: #2f6fe0; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.feat-item-body { display: grid; gap: 3px; padding-top: 2px; }
.feat-item-body strong { font-size: 15px; font-weight: 650; }
.feat-item-body span { font-size: 13.5px; color: var(--muted); }

.feat-visual { min-width: 0; }
.note-canvas { position: relative; min-height: 552px; padding: 24px; border-radius: 28px; border: 1px solid #e6ecf8; background: radial-gradient(600px 400px at 20% 0%, rgba(68, 138, 255, .10), transparent 70%), linear-gradient(160deg, #f4f8ff, #eef4fe); overflow: hidden; }
.note-canvas::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(#c9d6ea 1px, transparent 1px); background-size: 22px 22px; opacity: .42; }
.note-card { position: absolute; background: #fff; border: 1px solid #e6ebf3; border-radius: 16px; padding: 18px 20px; box-shadow: 0 10px 24px rgba(23, 37, 84, .08); }
.note-a { left: 26px; top: 30px; width: 56%; z-index: 2; }
.note-b { right: 22px; top: 88px; width: 43%; z-index: 3; }
.note-c { left: 38px; top: 318px; width: 52%; z-index: 2; }
.note-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.note-time { margin-left: auto; font-size: 10.5px; color: #a3adba; }
.note-tag { padding: 3px 9px; border-radius: 6px; background: #eef4ff; color: #2f6fe0; font-size: 10.5px; font-weight: 600; }
.note-tag.tag-sky { background: #e0f2fe; color: #0369a1; }
.note-tag.tag-green { background: #dcfce7; color: #047857; }
.note-title { display: block; font-size: 14px; line-height: 1.65; letter-spacing: -.01em; }
.note-text { margin: 8px 0 0; font-size: 12.5px; line-height: 1.7; color: #7c8796; }
.note-code { padding: 12px; border-radius: 10px; background: #0f172a; color: #cbd5e1; font-size: 11px; line-height: 1.8; overflow: hidden; }
.note-code code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre; }
.note-code .kw { color: #93c5fd; } .note-code .fn { color: #7dd3fc; } .note-code .num { color: #fbbf24; } .note-code .op { color: #c4b5fd; }
.note-quote { margin: 0; font-size: 13px; line-height: 1.7; color: #3b4c63; border-left: 2px solid #a5b4fc; padding-left: 12px; }
.kb-anchor { position: absolute; right: 24px; bottom: 26px; width: 44%; z-index: 4; display: flex; align-items: center; gap: 11px; padding: 14px 16px; border-radius: 14px; background: #fff; border: 1px solid #cfddf7; box-shadow: 0 8px 20px rgba(36, 80, 180, .10); }
.kb-anchor-ico { width: 34px; height: 34px; flex: 0 0 34px; border-radius: 9px; background: #eef4ff; color: #2f6fe0; display: flex; align-items: center; justify-content: center; }
.kb-anchor-ico svg { width: 18px; height: 18px; }
.kb-anchor-body { display: grid; gap: 2px; min-width: 0; }
.kb-anchor-body strong { font-size: 12.5px; }
.kb-anchor-body span { font-size: 10.5px; color: #9aa4b2; }
.kb-anchor > em { margin-left: auto; font-style: normal; font-size: 10px; color: #9aa4b2; }

/* ---------- 文档展示 ---------- */
/* .doc-stage { max-width: 1080px; margin: 0 auto; } */
.doc-window { background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: 0 12px 30px rgba(23, 37, 84, .08); }
.doc-bar { display: flex; align-items: center; gap: 14px; height: 50px; padding: 0 18px; background: #f9fafc; border-bottom: 1px solid #e9edf4; }
.doc-url { flex: 1; max-width: 460px; height: 28px; display: flex; align-items: center; margin: 0 auto; padding: 0 12px; border: 1px solid #e5eaf2; border-radius: 8px; background: #fff; font-size: 11.5px; color: #7f8a99; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-public { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; font-size: 11.5px; font-weight: 600; color: #059669; }
.doc-body { display: grid; grid-template-columns: 240px 1fr; min-height: 420px; }
.doc-side { background: #fbfcfe; border-right: 1px solid #eef1f6; padding: 20px 16px; }
.doc-search { display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 12px; margin-bottom: 16px; border: 1px solid #e7ecf4; border-radius: 8px; background: #fff; font-size: 11.5px; color: #a3adba; }
.doc-search svg { width: 14px; height: 14px; }
.doc-nav { display: grid; gap: 2px; }
.doc-nav-item { padding: 9px 10px; border-radius: 8px; font-size: 12.5px; color: #5b6675; }
.doc-nav-item.lvl2 { padding-left: 26px; font-size: 12px; color: #8c97a6; }
.doc-nav-item.active { background: #eaf1ff; color: #2f6fe0; font-weight: 600; }
.doc-main { padding: 38px 52px; min-width: 0; }
.doc-crumb { font-size: 11.5px; color: #9aa4b2; }
.doc-crumb span { margin: 0 6px; color: #c9d0da; }
.doc-main h3 { margin: 14px 0 16px; font-size: 32px; letter-spacing: -.03em; font-weight: 800; }
.doc-main p { margin: 0; font-size: 13.5px; line-height: 1.95; color: #4a5565; max-width: 640px; }
.doc-callout { margin: 20px 0 24px; padding: 14px 18px; border: 1px solid #dbe8ff; border-left: 3px solid #448aff; border-radius: 0 10px 10px 0; background: #f4f8ff; font-size: 12.5px; color: #3b5b8a; }
.doc-steps { display: grid; gap: 10px; }
.doc-step { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid #eef1f6; border-radius: 10px; background: #fcfdff; font-size: 12.5px; color: #4a5565; }
.doc-step em { font-style: normal; font-size: 10.5px; font-weight: 700; color: #2f6fe0; letter-spacing: .06em; }

.doc-features { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 38px 0 0; padding: 0; }
.doc-features li { padding: 26px 24px; background: #fff; border: 1px solid var(--line); border-radius: 16px; display: grid; gap: 7px; }
.doc-feature-ico { width: 38px; height: 38px; border-radius: 10px; background: #eef4ff; color: #2f6fe0; display: flex; align-items: center; justify-content: center; margin-bottom: 5px; }
.doc-feature-ico svg { width: 18px; height: 18px; }
.doc-features strong { font-size: 14.5px; }
.doc-features li > span:last-child { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* ---------- 适用人群 ---------- */
.persona-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.persona-card { position: relative; padding: 30px 30px 28px; background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.persona-card::after { content: ""; position: absolute; top: -40%; right: -20%; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(68, 138, 255, .10), transparent 70%); pointer-events: none; }
.persona-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(23, 37, 84, .08); border-color: #d8e4f8; }
.persona-icon { width: 46px; height: 46px; border-radius: 12px; background: #eef4ff; color: #2f6fe0; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.persona-icon svg { width: 22px; height: 22px; }
.persona-card:nth-child(3n+2) .persona-icon { background: #fff2e8; color: #c2570c; }
.persona-card:nth-child(3n) .persona-icon { background: #e8fbf3; color: #0b8f5c; }
.persona-card h3 { margin: 0 0 8px; font-size: 18.5px; letter-spacing: -.02em; }
.persona-tag {
    display: inline-block; padding: 3px 10px;
    background: var(--bg-alt); border-radius: 999px;
    font-size: 11.5px; color: var(--muted);
}
.persona-card p { margin: 14px 0 0; font-size: 13.8px; color: var(--muted); line-height: 1.9; }

/* ---------- 场景解决方案 ---------- */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.scene-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.scene-top { padding: 30px 30px 24px; background: linear-gradient(160deg, #eef4ff, #f8fbff); border-bottom: 1px solid #e9eff9; }
.scene-card:nth-child(2) .scene-top { background: linear-gradient(160deg, #e9f9ff, #f6fdff); border-bottom-color: #dff3fb; }
.scene-card:nth-child(3) .scene-top { background: linear-gradient(160deg, #eafaf2, #f7fffb); border-bottom-color: #ddf4e9; }
.scene-no { display: block; margin-bottom: 14px; font-size: 12px; font-weight: 700; letter-spacing: .16em; color: #2f6fe0; }
.scene-card:nth-child(2) .scene-no { color: #0b7fa8; }
.scene-card:nth-child(3) .scene-no { color: #0b8f5c; }
.scene-top h3 { margin: 0 0 6px; font-size: 21px; letter-spacing: -.02em; }
.scene-top p { margin: 0; font-size: 12.5px; color: var(--muted); }
.scene-list { list-style: none; margin: 0; padding: 24px 30px; display: grid; gap: 16px; flex: 1; }
.scene-list strong { display: block; font-size: 13.8px; font-weight: 650; margin-bottom: 3px; }
.scene-list span { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.scene-tags { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 16px 30px 22px; border-top: 1px dashed var(--line); }
.scene-tags > span { font-size: 11px; color: var(--muted); }
.scene-tags em { font-style: normal; font-size: 10.5px; padding: 3px 8px; border-radius: 6px; background: #f1f5fb; color: #5b6675; }

/* ---------- 用户感言 ---------- */
.stories-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-bottom: 52px; flex-wrap: wrap; }
.stories-head .sec-head { margin-bottom: 0; }
.stories-proof { display: flex; align-items: center; gap: 14px; padding-bottom: 4px; }
.stories-proof .avatar-stack img { border-color: #fff; box-shadow: 0 6px 16px rgba(23, 37, 84, .14); }
.stories-proof > span { font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.quote-card { margin: 0; padding: 28px 28px 24px; display: flex; flex-direction: column; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 18px; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.quote-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(23, 37, 84, .08); border-color: #d8e4f8; }
.quote-mark { font-family: Georgia, "Times New Roman", serif; font-size: 40px; line-height: .8; color: #c7d8f5; }
.quote-card blockquote { margin: 0; flex: 1; font-size: 13.8px; color: #3b4656; line-height: 1.95; }
.quote-card figcaption { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid #f1f4f9; }
.quote-avatar { position: relative; width: 44px; height: 44px; flex: 0 0 44px; border-radius: 50%; overflow: hidden; background: #eef4ff; }
.quote-avatar b { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; color: #2f6fe0; }
.quote-avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.quote-meta { display: flex; flex-direction: column; min-width: 0; gap: 2px; }
.quote-meta strong { font-size: 13.5px; font-weight: 650; }
.quote-meta span { font-size: 11.5px; color: var(--muted); }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { position: relative; overflow: hidden; padding: 30px 28px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.step::after {
    content: ""; position: absolute; top: -50px; right: -40px; width: 140px; height: 140px; border-radius: 50%;
    background: radial-gradient(circle, rgba(68, 138, 255, .10), transparent 70%); pointer-events: none;
}
.step-no {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; margin-bottom: 16px; border-radius: 12px;
    background: #eef4ff; color: #2f6fe0;
    font-size: 13px; font-weight: 700; letter-spacing: .04em;
}
.step h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: -.01em; }
.step p { margin: 0; color: var(--muted); font-size: 13.6px; line-height: 1.85; }

/* ---------- CTA ---------- */
.cta-section { padding-bottom: 110px; }
.cta {
    position: relative; overflow: hidden; text-align: center;
    padding: 84px 40px 76px; border-radius: 28px; color: #fff;
    background:
        radial-gradient(700px 400px at 50% 0%, rgba(68, 138, 255, .35), transparent 65%),
        linear-gradient(135deg, #0a1220 0%, #0f1c35 55%, #152a52 100%);
    box-shadow: 0 14px 34px rgba(15, 28, 53, .18);
}
.cta-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 60px 60px;
    -webkit-mask-image: radial-gradient(600px 400px at 50% 40%, #000, transparent 75%);
    mask-image: radial-gradient(600px 400px at 50% 40%, #000, transparent 75%);
}
.cta h2 { position: relative; margin: 0 0 14px; font-size: clamp(28px, 3.6vw, 42px); letter-spacing: -.035em; line-height: 1.3; }
.cta p { position: relative; margin: 0 0 34px; font-size: 15.5px; color: rgba(226, 232, 240, .7); }
.cta-actions { position: relative; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.cta .btn-cta { background: #fff; color: #1d4ed8; box-shadow: 0 8px 18px rgba(0, 0, 0, .18); }
.cta .btn-cta:hover { background: #eef4ff; color: #1d4ed8; transform: translateY(-2px); }
.cta .btn-cta-ghost { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .18); color: rgba(255, 255, 255, .85); }
.cta .btn-cta-ghost:hover { background: rgba(255, 255, 255, .14); color: #fff; }
.cta-note { position: relative; display: block; margin-top: 20px; font-size: 12px; color: rgba(226, 232, 240, .5); }

/* ---------- 内页头图 ---------- */
.page-head {
    position: relative;
    padding: 86px 0 74px;
    text-align: center;
    background: #f6f9ff;
    border-bottom: 1px solid var(--line);
}
.page-head-inner { position: relative; z-index: 2; }
.page-eyebrow {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 7px 15px; border-radius: 999px;
    border: 1px solid #d7e4ff; background: rgba(255, 255, 255, .92);
    font-size: 11.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #3b5b8a;
    box-shadow: 0 4px 14px rgba(23, 37, 84, .05);
}
.page-eyebrow::before {
    content: ""; width: 6px; height: 6px; border-radius: 50%;
    background: var(--primary); box-shadow: 0 0 0 4px rgba(68, 138, 255, .14);
}
.page-head h1 { margin: 22px 0 14px; font-size: clamp(30px, 4.4vw, 44px); letter-spacing: -.035em; line-height: 1.24; font-weight: 800; }
.page-head p { margin: 0 auto; color: var(--muted); max-width: 680px; font-size: 15.5px; line-height: 1.85; }
.page-head-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 18px; margin-top: 26px; }
.page-head-meta span { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: #5b6b80; }
.page-head-meta span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #10b981; }

/* ---------- 关于页 ---------- */
.prose-grid { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.prose h2 { font-size: 21px; margin: 32px 0 10px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--text-2); margin: 0 0 12px; }
.prose ul { padding-left: 20px; color: var(--text-2); }
.prose li { margin-bottom: 8px; }
.prose.narrow { max-width: 760px; margin: 0 auto; }
.prose-foot { margin-top: 36px; font-size: 13px; color: var(--muted); }

.aside-card { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.aside-card h3 { margin: 0 0 16px; font-size: 15px; }
.aside-card dl { margin: 0; font-size: 13.5px; }
.aside-card dt { color: var(--muted); margin-bottom: 2px; }
.aside-card dd { margin: 0 0 14px; color: var(--text-2); }

.about-intro { display: grid; grid-template-columns: 1.12fr .88fr; gap: 56px; align-items: center; }
.about-copy h2 { margin: 0 0 16px; font-size: clamp(26px, 3vw, 34px); letter-spacing: -.03em; font-weight: 800; }
.about-copy p { margin: 0 0 14px; color: var(--text-2); font-size: 15px; line-height: 1.95; }
.about-copy p:last-child { margin-bottom: 0; }
.about-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.fact-card { padding: 22px 22px 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.fact-card span { display: block; margin-bottom: 8px; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.fact-card strong { display: block; font-size: 15.5px; font-weight: 700; line-height: 1.5; }

.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 64px; padding: 30px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat-item { padding: 4px 18px; text-align: center; border-right: 1px solid var(--line); }
.stat-item:last-child { border-right: 0; }
.stat-item strong { display: block; font-size: 30px; line-height: 1.2; letter-spacing: -.03em; font-weight: 800; color: var(--primary-dark); }
.stat-item span { display: block; margin-top: 6px; font-size: 12.5px; color: var(--muted); }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.value-card { padding: 28px 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.value-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(23, 37, 84, .08); border-color: #d8e4f8; }
.value-ico { width: 42px; height: 42px; border-radius: 12px; background: #eef4ff; color: #2f6fe0; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.value-ico svg { width: 20px; height: 20px; }
.value-card:nth-child(2) .value-ico { background: #fff3e8; color: #c2570c; }
.value-card:nth-child(3) .value-ico { background: #e8fbf3; color: #0b8f5c; }
.value-card:nth-child(4) .value-ico { background: #eef0ff; color: #5b5bd6; }
.value-card h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: -.01em; }
.value-card p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.85; }

.journey { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.journey-item { position: relative; overflow: hidden; padding: 30px 28px 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.journey-item::after { content: ""; position: absolute; top: -46%; right: -22%; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(68, 138, 255, .10), transparent 70%); pointer-events: none; }
.journey-no { display: inline-block; margin-bottom: 14px; font-size: 11px; font-weight: 700; letter-spacing: .16em; color: #2f6fe0; }
.journey-item h3 { margin: 0 0 8px; font-size: 18px; }
.journey-item p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }

.compare-wrap { max-width: 960px; margin: 0 auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; overflow-x: auto; box-shadow: var(--shadow-sm); }
.compare-table { width: 100%; min-width: 680px; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; font-size: 13.5px; border-bottom: 1px solid #f0f3f9; }
.compare-table thead th { background: #f8fbff; font-size: 12.5px; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
.compare-table thead th.is-us { color: #2f6fe0; }
.compare-table tbody td:first-child { font-weight: 600; color: var(--text); }
.compare-table tbody td { color: var(--muted); line-height: 1.75; }
.compare-table .col-us { background: #fafcff; color: var(--text-2); }
.compare-table tbody tr:last-child th, .compare-table tbody tr:last-child td { border-bottom: 0; }

.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.detail-card { display: flex; gap: 16px; padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.detail-ico { flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px; background: #eef4ff; color: #2f6fe0; display: flex; align-items: center; justify-content: center; }
.detail-ico svg { width: 18px; height: 18px; }
.detail-card h3 { margin: 0 0 6px; font-size: 15.5px; }
.detail-card p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.85; }

.team-roles { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.team-roles span { padding: 5px 13px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 12px; color: var(--text-2); }

.about-media { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 24px; background: linear-gradient(160deg, #eef4ff, #dbe7ff); box-shadow: 0 10px 26px rgba(23, 37, 84, .08); }
.about-media img { display: block; width: 100%; height: 100%; object-fit: cover; }

.belief-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.belief-card { padding: 34px 30px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.belief-card h3 { margin: 0 0 8px; font-size: 17.5px; letter-spacing: -.01em; }
.belief-card p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.9; }

.office-card { position: relative; overflow: hidden; border-radius: 24px; background: #0f172a; box-shadow: 0 10px 26px rgba(23, 37, 84, .10); }
.office-card img { display: block; width: 100%; height: clamp(320px, 42vw, 540px); object-fit: cover; }
.office-overlay {
    position: absolute; inset: auto 0 0;
    padding: 56px 48px 40px; color: #fff;
    background: linear-gradient(180deg, rgba(8, 15, 30, 0), rgba(8, 15, 30, .78) 55%, rgba(8, 15, 30, .94));
}
.office-eyebrow { font-size: 10.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: rgba(226, 232, 240, .62); }
.office-overlay h2 { margin: 10px 0 8px; font-size: clamp(22px, 2.6vw, 30px); letter-spacing: -.025em; }
.office-overlay p { margin: 0; max-width: 600px; font-size: 13.5px; line-height: 1.85; color: rgba(226, 232, 240, .72); }

.activity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.activity-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.activity-card img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #eef4ff; }
.activity-body { padding: 20px 22px 24px; }
.activity-body span { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--primary); }
.activity-body h3 { margin: 5px 0 8px; font-size: 17px; letter-spacing: -.01em; }
.activity-body p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.85; }

.why-panel {
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
    padding: 56px; border: 1px solid #dbe8ff; border-radius: 28px;
    background:
        radial-gradient(620px 320px at 100% 0%, rgba(68, 138, 255, .13), transparent 65%),
        linear-gradient(135deg, #f8fbff, #eef4ff);
}
/* .why-eyebrow { font-size: 10.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: #5b7ba6; } */
.why-copy h2 { margin: 12px 0 16px; font-size: clamp(25px, 3vw, 32px); letter-spacing: -.03em; }
.why-copy p { margin: 0 0 12px; font-size: 14.5px; line-height: 1.95; color: var(--text-2); }
.why-copy .why-conclusion { margin: 22px 0 0; padding-left: 16px; border-left: 3px solid var(--primary); font-size: 14.5px; font-weight: 500; color: var(--text); }
.why-list { display: grid; gap: 12px; }
.why-item { display: flex; gap: 16px; padding: 20px 22px; border: 1px solid rgba(210, 225, 248, .9); border-radius: 16px; background: rgba(255, 255, 255, .78); }
.why-num { flex: 0 0 28px; padding-top: 2px; font-size: 12px; font-weight: 700; letter-spacing: .04em; color: #2f6fe0; }
.why-item h3 { margin: 0 0 5px; font-size: 15.5px; letter-spacing: -.01em; }
.why-item p { margin: 0; font-size: 13.2px; line-height: 1.8; color: var(--muted); }

/* ---------- 合作页 ---------- */
.coop-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.coop-card {
    position: relative; overflow: hidden; display: flex; flex-direction: column;
    padding: 32px; background: #fff; border: 1px solid var(--line); border-radius: 20px;
    /* transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; */
}
.coop-card::after {
    content: ""; position: absolute; top: -70px; right: -60px; width: 180px; height: 180px; border-radius: 50%;
    background: radial-gradient(circle, rgba(68, 138, 255, .09), transparent 70%); pointer-events: none;
}
.coop-card:hover { 
    /* transform: translateY(-4px); box-shadow: 0 24px 60px rgba(23, 37, 84, .09);  */
    
    border-color: #d8e4f8; }
.coop-no { margin-bottom: 14px; font-size: 11px; font-weight: 700; letter-spacing: .16em; color: #2f6fe0; }
.coop-card h3 { margin: 0 0 10px; font-size: 19px; letter-spacing: -.02em; }
.coop-card p { margin: 0 0 22px; color: var(--muted); font-size: 13.8px; line-height: 1.9; }
.coop-link { position: relative; margin-top: auto; display: inline-flex; align-items: center; gap: 7px; font-size: 12.8px; font-weight: 600; color: var(--primary); }
.coop-link svg { width: 14px; height: 14px; transition: transform .2s ease; }
.coop-link:hover svg { transform: translateX(3px); }
.coop-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.contact-strip { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.contact-strip h2 { margin: 0 0 6px; font-size: 24px; }
.contact-strip p { margin: 0; color: var(--muted); }
.contact-strip strong { color: var(--text); }

/* ---------- 联系分类 ---------- */
.contact-cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.contact-cat {
    display: flex; flex-direction: column; padding: 30px 26px;
    border: 1px solid var(--line); border-radius: 18px; background: #fff;
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.contact-cat:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(23, 37, 84, .08); border-color: #d8e4f8; }
.contact-cat-ico { width: 42px; height: 42px; margin-bottom: 18px; border-radius: 12px; background: #eef4ff; color: #2f6fe0; display: flex; align-items: center; justify-content: center; }
.contact-cat-ico svg { width: 20px; height: 20px; }
.contact-cat:nth-child(2) .contact-cat-ico { background: #fff3e8; color: #c2570c; }
.contact-cat:nth-child(3) .contact-cat-ico { background: #e8fbf3; color: #0b8f5c; }
.contact-cat:nth-child(4) .contact-cat-ico { background: #eef0ff; color: #5b5bd6; }
.contact-cat h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: -.01em; }
.contact-cat p { margin: 0 0 20px; font-size: 13.2px; color: var(--muted); line-height: 1.85; }
.contact-cat-link { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--primary); }
.contact-cat-link svg { width: 14px; height: 14px; }

.contact-bar { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 20px; border: 1px solid var(--line); border-radius: 16px; background: #fbfcfe; }
.contact-bar-item { min-width: 0; padding: 18px 22px; border-right: 1px solid var(--line); }
.contact-bar-item:last-child { border-right: 0; }
.contact-bar-item > span { display: block; margin-bottom: 7px; font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.contact-bar-value { display: flex; align-items: center; gap: 8px; }
.contact-bar-value strong, .contact-bar-value a { min-width: 0; font-size: 13.8px; font-weight: 600; color: var(--text); word-break: break-all; }
.contact-bar-value a:hover { color: var(--primary); }

/* ---------- 联系页左右两栏 ---------- */
.contact-layout { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 48px; align-items: start; }
.contact-media { position: sticky; top: 96px; }
.contact-media-frame { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #eef4ff; box-shadow: 0 10px 24px rgba(23, 37, 84, .08); }
.contact-media-frame img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.contact-media-meta { margin-top: 16px; padding: 0 4px; }
.contact-media-meta strong { display: block; margin-bottom: 4px; font-size: 14px; }
.contact-media-meta span { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

.contact-panel { display: grid; gap: 24px; }
.contact-main-card { padding: 0 30px; }
.contact-main-card h2 { margin: 0 0 6px; font-size: 20px; letter-spacing: -.02em; }
.contact-main-card > p { margin: 0 0 24px; font-size: 13.5px; color: var(--muted); line-height: 1.85; }
.contact-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; margin-top: 30px;}
.contact-field { min-width: 0; }
.contact-field.is-wide { grid-column: 1 / -1; }
.contact-field > span { display: block; margin-bottom: 7px; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.contact-field-value { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.contact-field-value strong, .contact-field-value a { min-width: 0; font-size: 14.5px; font-weight: 600; color: var(--text); word-break: break-all; }
.contact-field-value a:hover { color: var(--primary); }

.contact-reasons { margin-top: 100px;}
.contact-reasons h2 { margin: 0; padding: 22px 0 18px; font-size: 16px; letter-spacing: -.01em; }
.contact-reason { 
    /* display: flex; align-items: center; justify-content: space-between; gap: 16px;  */
    padding: 18px 26px; }
/* .contact-reason-name { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 600; } */
/* .contact-reason-name::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); } */
.contact-reason-mail { display: flex; align-items: center; gap: 10px; min-width: 0; }
.contact-reason-mail a { min-width: 0; font-size: 13.5px; color: var(--text-2); word-break: break-all; }
.contact-reason-mail a:hover { color: var(--primary); }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.contact-card {
    position: relative; background: #fff; border: 1px solid var(--line); border-radius: 18px;
    padding: 26px 24px; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(23, 37, 84, .08); border-color: #d8e4f8; }
.contact-icon {
    width: 46px; height: 46px; margin-bottom: 16px; border-radius: 13px;
    background: #eef4ff; color: #2f6fe0;
    display: flex; align-items: center; justify-content: center;
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-card h3 { margin: 0 0 8px; font-size: 14px; color: var(--muted); font-weight: 600; }
.contact-value-row { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; }
.contact-value { font-size: 16px; font-weight: 650; margin: 0; color: var(--text); word-break: break-all; }
.contact-value a { color: var(--text); }
.contact-value a:hover { color: var(--primary); }
.contact-copy {
    flex: 0 0 auto; height: 26px; padding: 0 9px; border-radius: 7px;
    border: 1px solid var(--line); background: #fff; color: var(--muted);
    font-size: 11px; font-weight: 600; cursor: pointer; transition: all .16s ease;
}
.contact-copy:hover { border-color: #c7d6ef; background: #f8fbff; color: var(--primary); }
.contact-copy.is-done { border-color: #a7f3d0; background: #ecfdf5; color: #047857; }
.contact-hint { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.75; }

.channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.channel-card { display: flex; flex-direction: column; gap: 10px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.channel-tag { align-self: flex-start; padding: 3px 10px; border-radius: 999px; background: #eef4ff; color: #2f6fe0; font-size: 11px; font-weight: 600; }
.channel-card h3 { margin: 4px 0 0; font-size: 18px; letter-spacing: -.01em; }
.channel-card p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.85; }
.channel-link { margin-top: auto; padding-top: 14px; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--primary); }
.channel-link svg { width: 15px; height: 15px; }

.faq-list { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; background: #fff; overflow: hidden; }
.faq-item summary {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 18px 22px; list-style: none; cursor: pointer;
    font-size: 14.5px; font-weight: 650; color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+"; flex: 0 0 auto; width: 24px; height: 24px; border-radius: 7px;
    background: #f2f6fd; color: #2f6fe0; font-size: 16px; font-weight: 700; line-height: 24px; text-align: center;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary { color: var(--primary-dark); }
.faq-body { padding: 0 22px 20px; font-size: 13.8px; color: var(--muted); line-height: 1.9; }
.faq-body p { margin: 0; }

.tips-card {
    display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
    padding: 34px 36px; border: 1px solid #dbe8ff; border-radius: 20px;
    background: radial-gradient(600px 320px at 90% -30%, rgba(68, 138, 255, .14), transparent 70%), linear-gradient(135deg, #f8fbff, #eef4ff);
}
.tips-card h2 { margin: 0 0 8px; font-size: 22px; letter-spacing: -.02em; }
.tips-card p { margin: 0; max-width: 620px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.tips-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 8px; }
.tips-list li { position: relative; padding-left: 18px; font-size: 13.5px; color: var(--text-2); }
.tips-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); opacity: .7; }

.contact-note { margin-top: 44px; padding: 28px 30px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 16px; }
.contact-note h2 { margin: 0 0 8px; font-size: 18px; }
.contact-note p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.85; }

/* ---------- 法律条款页 ---------- */
.legal-section { padding: 60px 0 100px; }
.legal-layout { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 56px; align-items: start; }
.legal-toc { position: sticky; top: 92px; padding: 22px 20px 16px; border: 1px solid var(--line); border-radius: 16px; background: #fbfcfe; }
.legal-toc h3 { margin: 0 0 12px; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.legal-toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.legal-toc a { display: block; padding: 7px 10px; border-radius: 8px; font-size: 12.8px; line-height: 1.5; color: #5b6675; transition: all .16s ease; }
.legal-toc a:hover { background: #fff; color: var(--primary); }
.legal-body { max-width: 800px; }
.legal-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 20px; font-size: 12.5px; color: var(--muted); }
.legal-meta em { font-style: normal; color: #9aa4b2; }
.legal-callout {
    margin: 0 0 34px; padding: 16px 20px;
    border: 1px solid #dbe8ff; border-left: 3px solid var(--primary); border-radius: 0 12px 12px 0;
    background: #f4f8ff; font-size: 13.5px; color: #3b5b8a; line-height: 1.85;
}
.legal-body section { margin-bottom: 34px; padding-top: 4px; scroll-margin-top: 90px; }
.legal-body h2 { display: flex; align-items: center; gap: 12px; margin: 0 0 12px; font-size: 20.5px; letter-spacing: -.015em; }
.legal-no {
    flex: 0 0 30px; width: 30px; height: 30px; border-radius: 9px;
    background: #eef4ff; color: #2f6fe0;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 11.5px; font-weight: 700; letter-spacing: .04em;
}
.legal-body p { margin: 0 0 12px; color: var(--text-2); font-size: 14.5px; line-height: 1.95; }
.legal-body ul { margin: 0 0 14px; padding-left: 20px; color: var(--text-2); font-size: 14.5px; line-height: 1.95; }
.legal-body li { margin-bottom: 8px; }
.legal-body li::marker { color: var(--primary); }
.legal-body strong { color: var(--text); }
.legal-table-wrap { margin: 6px 0 16px; border: 1px solid var(--line); border-radius: 14px; overflow-x: auto; }
.legal-table { width: 100%; min-width: 620px; border-collapse: collapse; }
.legal-table th, .legal-table td { padding: 13px 16px; text-align: left; vertical-align: top; font-size: 13.2px; border-bottom: 1px solid #f0f3f9; }
.legal-table th { background: #f8fbff; font-weight: 600; color: var(--text-2); white-space: nowrap; }
.legal-table td { color: var(--muted); line-height: 1.8; }
.legal-table tr:last-child th, .legal-table tr:last-child td { border-bottom: 0; }
.legal-end { margin-top: 44px; padding: 24px 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-alt); }
.legal-end p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.85; }
.legal-note { margin-top: 18px; font-size: 12.5px; color: #a0a8b4; line-height: 1.7; }
.legal-note p { margin: 0; font-size: 12.5px; color: #a0a8b4; line-height: 1.7; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--line); background: #fbfbfd; padding: 54px 0 26px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer-col h4 { font-size: 13.5px; margin: 0 0 14px; color: var(--text); }
.footer-col a, .footer-col span { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 9px; }
.footer-col a:hover { color: var(--primary); }
.footer-brand p { font-size: 13.5px; color: var(--muted); margin: 14px 0 0; max-width: 280px; }
.footer-bottom {
    display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    margin-top: 38px; padding-top: 20px; border-top: 1px solid var(--line);
    font-size: 12.5px; color: #9aa1ad;
}

/* ---------- 账号页 ---------- */
.auth-body { background: var(--bg-alt); min-height: 100vh; display: flex; flex-direction: column; }
.auth-wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 48px 24px; }
.auth-card {
    width: 100%; max-width: 450px; background: #fff; border: 1px solid var(--line);
    border-radius: 16px; padding: 34px 32px; box-shadow: var(--shadow-md);
}
.auth-card h1 { font-size: 22px; margin: 0 0 6px; }
.auth-sub { color: var(--muted); font-size: 13.5px; margin: 0 0 24px; }
.auth-card .brand { justify-content: center; margin-bottom: 22px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; font-weight: 600; }
.field input {
    width: 100%; height: 42px; padding: 0 13px; border: 1px solid var(--line);
    border-radius: 10px; font-size: 14px; outline: none; transition: border-color .15s, box-shadow .15s;
    background: #fff; color: var(--text);
}
.field input:focus { border-color: #a5b4fc; box-shadow: 0 0 0 3px rgba(99, 102, 241, .14); }
.field .hint { font-size: 12px; color: var(--muted); margin-top: 5px; }

.auth-card .btn { width: 100%; height: 44px; margin-top: 6px; }
.auth-foot { text-align: center; margin-top: 20px; font-size: 13.5px; color: var(--muted); }
/* .auth-foot a { font-weight: 600; } */

.alert { padding: 10px 13px; border-radius: 9px; font-size: 13px; margin-bottom: 16px; }
.alert-error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.alert-ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }

/* 验证码行 */  
.code-row { display: flex; gap: 8px; }
.code-row input { flex: 1; min-width: 0; }
.auth-card .code-row .code-btn {
    flex: 0 0 auto; width: auto; margin-top: 0; padding: 0 14px;
    height: 42px; font-size: 13px; white-space: nowrap;
}
.code-error { min-height: 17px; margin-top: 5px; font-size: 12px; color: #b91c1c; }

/* 协议勾选 */
.auth-check {
    display: flex; align-items: flex-start; gap: 9px; margin: 2px 0 8px;
    font-size: 12.5px; color: var(--muted); line-height: 1.6; cursor: pointer;
}
.auth-check input { flex: 0 0 auto; width: 15px; height: 15px; margin: 3px 0 0; accent-color: var(--primary); cursor: pointer; }
.auth-check a { font-weight: 600; }

/* 滑块验证 */
.captcha-slider { margin: 6px 0 10px; }
.captcha-track {
    position: relative; height: 42px; border: 1px solid var(--line);
    border-radius: 10px; background: #f6f7fb; overflow: hidden; user-select: none;
}
.captcha-fill {
    position: absolute; left: 0; top: 0; bottom: 0; width: 0;
    background: linear-gradient(90deg, #eef2ff, #dfe5ff); transition: width .16s ease;
}
.captcha-text {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    font-size: 12.5px; color: var(--muted); pointer-events: none;
}
.captcha-handle {
    position: absolute; left: 0; top: 0; width: 52px; height: 100%;
    border: 0; border-radius: 9px; background: #fff; color: var(--primary);
    font-size: 16px; font-weight: 700; cursor: grab; touch-action: none;
    box-shadow: 0 1px 4px rgba(15, 23, 42, .14); transition: transform .16s ease;
}
.captcha-handle:active { cursor: grabbing; }
.captcha-slider.is-passed .captcha-fill { width: 100%; background: #dcfce7; }
.captcha-slider.is-passed .captcha-text { color: #047857; font-weight: 600; }
.captcha-slider.is-passed .captcha-handle { background: #ecfdf5; color: #047857; }
.captcha-slider.is-passed .captcha-handle:disabled { opacity: 1; cursor: default; }

/* 激活邮件提示与重发 */
.auth-resend { margin-top: 10px; text-align: center; }
.auth-resend-btn {
    border: 0; background: none; padding: 0; cursor: pointer;
    font-size: 13px; font-weight: 600; color: var(--primary);
}
.auth-resend-btn:disabled { color: var(--muted); cursor: default; }
.auth-resend-msg { min-height: 18px; margin-top: 6px; font-size: 12.5px; color: var(--muted); text-align: center; }
.auth-resend-msg.is-ok { color: #047857; }
.auth-resend-msg.is-error { color: #b91c1c; }
.verify-tip { margin: 4px 0 16px; font-size: 13.5px; color: var(--text-2); line-height: 1.75; }
.verify-tip p { margin: 0 0 6px; }

/* 第三方登录 */
.auth-divider {
    display: flex; align-items: center; gap: 12px;
    margin: 22px 0 14px; font-size: 12px; color: var(--muted);
}
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.auth-oauth { display: flex; flex-direction: column; gap: 10px; }
.oauth-btn {
    display: flex; align-items: center; justify-content: center; gap: 9px;
    height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 10px;
    background: #fff; color: var(--text-2); font-size: 13.5px; font-weight: 600;
    transition: all .16s ease;
}
.oauth-btn:hover { border-color: #c7cbd4; background: #fafbfc; color: var(--text); }
.oauth-icon {
    width: 20px; height: 20px;
    display: inline-flex; align-items: center; justify-content: center;
    color: #4b5563; flex: 0 0 auto;
}
.oauth-icon svg { display: block; }
.oauth-github .oauth-icon { color: #24292f; }
.oauth-apple .oauth-icon { color: #000; }
.oauth-wechat .oauth-icon { color: #07c160; }
.oauth-qq .oauth-icon { color: #12b7f5; }
.oauth-terms {
    margin: 10px 0 0; text-align: center; font-size: 12px;
    color: var(--muted); line-height: 1.5;
}
.oauth-terms a { color: var(--muted); text-decoration: underline; }
.oauth-terms a:hover { color: var(--text-2); }

/* 第三方资料（完善账号页） */
.oauth-profile {
    display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
    padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fafbfc;
}
.oauth-profile .oauth-avatar { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.oauth-avatar-text {
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--primary-soft); color: var(--primary-dark);
    font-size: 15px; font-weight: 700;
}
.oauth-profile-name { font-size: 13.5px; font-weight: 600; color: var(--text); }
.oauth-profile-email { font-size: 12px; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
    .site-nav { display: none; }
    .hero { padding: 84px 0 104px; }
    .hero-title { font-size: clamp(36px, 7.4vw, 58px); }
    .stage { margin-top: 56px; }
    .stage-body { grid-template-columns: 190px 1fr; }
    .stage-panel { display: none; }
    .stage-main { padding: 26px 28px; }
    .feat-grid { grid-template-columns: 1fr; gap: 44px; }
    .feat-copy { max-width: 640px; }
    .sec-head.split { flex-direction: column; align-items: flex-start; gap: 20px; }
    .doc-body { grid-template-columns: 200px 1fr; }
    .doc-main { padding: 30px 32px; }
    .doc-features { grid-template-columns: repeat(2, 1fr); }
    .persona-grid, .scene-grid, .quote-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .public-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .prose-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .about-intro { grid-template-columns: 1fr; gap: 40px; }
    .value-grid { grid-template-columns: repeat(2, 1fr); }
    .channel-grid { grid-template-columns: 1fr; }
    .stat-band { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
    .stat-item { border-right: 0; }
    .stat-item:nth-child(odd) { border-right: 1px solid var(--line); }
    .legal-layout { grid-template-columns: 1fr; gap: 28px; }
    .legal-toc { position: static; }
    .legal-toc ol { grid-template-columns: repeat(2, 1fr); }
    .legal-body { max-width: none; }
    .belief-grid { grid-template-columns: repeat(2, 1fr); }
    .activity-grid { grid-template-columns: repeat(2, 1fr); }
    .office-overlay { padding: 44px 34px 32px; }
    .why-panel { grid-template-columns: 1fr; gap: 36px; padding: 40px 32px; }
    .contact-cats { grid-template-columns: repeat(2, 1fr); }
    .contact-bar { grid-template-columns: repeat(2, 1fr); }
    .contact-bar-item { border-right: 0; border-bottom: 1px solid var(--line); }
    .contact-bar-item:nth-child(odd) { border-right: 1px solid var(--line); }
    .contact-bar-item:nth-last-child(-n+2) { border-bottom: 0; }
    .contact-layout { grid-template-columns: 1fr; gap: 32px; }
    .contact-media { position: static; }
    .contact-media-frame img { aspect-ratio: 16 / 10; }
}

@media (max-width: 640px) {
    .section { padding: 54px 0; }
    .home-section { padding: 68px 0; }
    .hero { padding: 62px 0 72px; }
    .hero-title { font-size: 34px; }
    .hero-sub { font-size: 14.5px; }
    .hero-actions { flex-direction: column; align-items: stretch; max-width: 340px; margin-left: auto; margin-right: auto; }
    .hero-proof { margin-top: 28px; }
    .hero-proof > span { max-width: 250px; }
    .stage { margin-top: 44px; }
    .stage-body { grid-template-columns: 1fr; min-height: 0; }
    .stage-side { display: none; }
    .stage-main { padding: 22px 20px; }
    .stage-main h3 { font-size: 22px; }
    .stage-url { max-width: 220px; }
    .stage-saved { display: none; }
    .feat-copy h2, .sec-head h2 { font-size: 27px; }
    .note-canvas { min-height: 0; display: grid; gap: 14px; padding: 18px; }
    .note-card, .kb-anchor { position: static; width: auto; }
    .doc-features { grid-template-columns: 1fr; gap: 12px; }
    .doc-body { grid-template-columns: 1fr; min-height: 0; }
    .doc-side { display: none; }
    .doc-main { padding: 24px 22px; }
    .doc-main h3 { font-size: 25px; }
    .doc-public { display: none; }
    .persona-grid, .scene-grid, .quote-grid, .steps, .coop-grid, .contact-grid, .public-grid { grid-template-columns: 1fr; }
    .value-grid, .journey, .detail-grid, .about-facts { grid-template-columns: 1fr; }
    .stat-band { padding: 22px 0; }
    .stat-item strong { font-size: 25px; }
    .legal-toc ol { grid-template-columns: 1fr; }
    .legal-body h2 { font-size: 19px; }
    .tips-card { padding: 26px 24px; }
    .tips-card .btn { width: 100%; }
    .belief-grid, .activity-grid { grid-template-columns: 1fr; }
    .office-overlay { padding: 30px 22px 24px; }
    .office-overlay h2 { font-size: 22px; }
    .why-panel { gap: 28px; padding: 28px 20px; border-radius: 22px; }
    .why-copy p { font-size: 13.5px; }
    .contact-cats { grid-template-columns: 1fr; }
    .contact-bar { grid-template-columns: 1fr; }
    .contact-bar-item, .contact-bar-item:nth-child(odd) { border-right: 0; }
    .contact-bar-item { border-bottom: 1px solid var(--line); }
    .contact-bar-item:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
    .contact-bar-item:last-child { border-bottom: 0; }
    .contact-main-card { padding: 24px 22px; }
    .contact-field-grid { grid-template-columns: 1fr; gap: 16px; }
    .contact-reasons h2 { padding: 20px 22px 16px; }
    .contact-reason { flex-direction: column; align-items: flex-start; gap: 8px; padding: 16px 22px; }
    .stories-head { gap: 28px; }
    .section-head h2 { font-size: 25px; }
    .page-head h1 { font-size: 28px; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta { padding: 52px 24px; border-radius: 22px; }
    .cta h2 { font-size: 26px; }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn { width: 100%; }
    .header-actions .btn-ghost { display: none; }
}