/* NICE Bags · guides/hub 页 Apple 皮肤（v1.3，与首页 template_v2「正式皮肤 v3」同语言，规范见 DESIGN.md V1.2） */
:root{
  --paper:#ffffff;--paper2:#f5f5f7;--card:#ffffff;
  --ink:#1d1d1f;--ink-soft:#6e6e73;--navy:#000000;--navy2:#000000;
  --copper:#a9673d;--copper-soft:#c99a6b;--copper-ink:#8a4b28;
  --line:rgba(29,29,31,.10);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:#fff;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}

/* ---- 顶部导航（Apple：白毛玻璃、黑字、细线） ---- */
.gtop{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:18px;height:60px}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand .blogo{height:34px;width:auto;display:block;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.brand .bname{font-size:15px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
nav.main{margin-left:auto;display:flex;gap:24px;align-items:center}
nav.main a{font-size:14px;text-decoration:none;color:var(--ink-soft);padding:4px 0;transition:.2s}
nav.main a:hover{color:var(--ink)}
.gtalk{font-size:13.5px;font-weight:600;color:var(--ink);text-decoration:none;white-space:nowrap;border:1px solid rgba(29,29,31,.25);padding:7px 16px;border-radius:999px;transition:.2s}
.gtalk:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.langsel{font-size:13px;font-weight:500;color:var(--ink);background:var(--paper2);border:1px solid var(--line);border-radius:8px;padding:6px 8px;cursor:pointer}
.hamb{display:none;margin-left:auto;border:0;background:none;font-size:24px;cursor:pointer;line-height:1;color:var(--ink)}
@media(max-width:920px){nav.main,.gtalk{display:none}.hamb{display:block}.bar .langsel{order:-1;margin-left:auto}}
.gmnav{display:none;flex-direction:column;gap:2px;padding:10px 28px 18px;border-bottom:1px solid var(--line);background:#fff;position:fixed;inset:0;z-index:70;overflow:auto}
.gmnav.open{display:flex}
.gmnav .close{align-self:flex-end;border:0;background:none;font-size:22px;cursor:pointer;padding:8px;color:var(--ink)}
.gmnav a{text-decoration:none;padding:13px 2px;border-bottom:1px dashed var(--line);font-size:17px;color:var(--ink)}
.gmnav a:hover{color:var(--ink-soft)}
.gmnav .gtalk{display:inline-flex;margin-top:14px;justify-content:center}
body.lock{overflow:hidden}

/* ---- 正文（Apple 阅读：无衬线标题、宽松行、细线分隔） ---- */
.guide-wrap{max-width:820px;margin:0 auto;padding:72px 28px 48px}
.guide-bread{font-size:13px;color:var(--ink-soft);margin-bottom:30px;display:flex;gap:8px;flex-wrap:wrap}
.guide-bread a{color:var(--copper-ink);text-decoration:none}
.guide-bread a:hover{text-decoration:underline}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:#86868b;margin-bottom:14px}
main h1,main h2,main h3{font-family:var(--sans);font-weight:600;line-height:1.12;letter-spacing:-0.02em;color:var(--ink)}
html[lang="zh"] main h1,html[lang="zh"] main h2,html[lang="zh"] main h3{font-weight:700;letter-spacing:0}
main h1{font-size:clamp(34px,4.8vw,60px);line-height:1.04;margin:0 0 18px}
.lede{font-size:clamp(17px,1.6vw,20px);line-height:1.6;color:var(--ink-soft);max-width:60ch;margin-bottom:44px}
main section{padding:6px 0 14px;border-top:1px solid var(--line);margin-top:30px}
main section h2{font-size:clamp(25px,3vw,36px);margin:24px 0 14px;letter-spacing:-0.015em}
main p{font-size:17px;line-height:1.75;color:var(--ink);max-width:64ch}
main ul{list-style:none;padding:0;margin:12px 0 4px}
main ul li{position:relative;padding-left:20px;font-size:16.5px;line-height:1.7;color:var(--ink);margin:8px 0;max-width:62ch}
main ul li::before{content:"";position:absolute;left:2px;top:.66em;width:6px;height:6px;border-radius:50%;background:#c7c7cc}

/* ---- 结尾 CTA：Apple 黑 tile + 白 pill（与首页收尾一致） ---- */
.guide-close{margin:64px 0 44px;background:#000;border-radius:28px;padding:56px 60px;text-align:center}
.guide-close p{font-size:clamp(19px,2vw,26px);line-height:1.5;color:#f5f5f7;max-width:34ch;margin-inline:auto}
.guide-close p.btnline{margin-top:28px}
.guide-close .btn{display:inline-flex;align-items:center;background:#fff;color:#000;font-weight:600;font-size:16px;text-decoration:none;padding:14px 30px;border-radius:999px;transition:.2s}
.guide-close .btn:hover{background:#e8e8ed}
@media(max-width:600px){.guide-close{padding:40px 24px;border-radius:20px}}

/* ---- 更多指南 / hub ---- */
.more-guides{margin:8px 0 10px;padding:30px;background:var(--paper2);border-radius:20px}
.more-guides h2{font-size:clamp(20px,2vw,26px);margin:0 0 14px}
.more-guides ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:2px 26px}
.more-guides li{margin:0}
.more-guides a{color:var(--ink);text-decoration:none;font-size:15px;display:block;padding:10px 2px;border-bottom:1px solid var(--line);transition:.2s}
.more-guides a:hover{color:var(--copper-ink);padding-inline-start:6px}
@media(max-width:640px){.more-guides ul{grid-template-columns:1fr}}
.guide-back{display:inline-block;color:var(--copper-ink);text-decoration:none;font-size:14px;font-weight:600;margin:6px 0 24px}
.guide-back:hover{text-decoration:underline}

/* hub 列表卡片 */
.hub-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:36px 0 20px}
.hub-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 26px 22px;display:flex;flex-direction:column;transition:.2s;text-decoration:none}
.hub-card:hover{border-color:rgba(29,29,31,.2);transform:translateY(-2px)}
.hub-card .tag{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#86868b;margin-bottom:12px}
.hub-card h3{font-size:clamp(19px,1.9vw,24px);margin:0 0 10px}
.hub-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.6;margin-bottom:16px}
.hub-card .read{margin-top:auto;align-self:flex-start;font-size:14px;font-weight:600;color:var(--copper-ink);text-decoration:none}
.hub-card .read:hover{text-decoration:underline}
@media(max-width:720px){.hub-list{grid-template-columns:1fr}}

/* ---- 页脚（Apple 浅灰） ---- */
.gfoot{background:#f5f5f7;color:#6e6e73;margin-top:90px;padding:56px 0 40px;font-size:13px;border-top:1px solid var(--line)}
.gfoot .inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.gfoot a{color:#424245;text-decoration:none}
.gfoot a:hover{color:var(--ink);text-decoration:underline}
.gfoot .brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:17px}
.gfoot .brand img{height:32px;width:auto;border-radius:8px}
.gfoot .legal{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px}

/* RTL / 移动 / 焦点 / 减弱动效 */
[dir="rtl"] main ul li{padding-left:0;padding-right:20px}
[dir="rtl"] main ul li::before{left:auto;right:2px}
@media(max-width:920px){.guide-wrap{padding-top:52px}}
:focus-visible{outline:2px solid var(--copper-soft);outline-offset:2px}
.gtalk:active,.hub-card:active{transform:translateY(1px)}
.gtalk:disabled,.guide-close .btn:disabled{opacity:.55;cursor:not-allowed}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}