/* ===== 涉侨法律政策指南 · 交互应用样式 ===== */
:root{
  --navy:#123a63; --navy-2:#1b4d7a; --navy-3:#2c6ba8;
  --gold:#b8862f; --gold-soft:#f6ecd8;
  --ink:#1c2530; --ink-2:#4a5766; --ink-3:#778593;
  --bg:#f4f6f9; --card:#ffffff; --line:#e3e8ef; --line-2:#eef1f6;
  --red:#a83232; --green:#1e7a55; --blue:#2f6f9f; --purple:#5b4b9e;
  --shadow:0 1px 2px rgba(18,58,99,.06),0 6px 20px rgba(18,58,99,.07);
  --shadow-lg:0 6px 32px rgba(18,58,99,.14);
  --r:14px; --r-s:10px;
  --top-h:60px; --side-w:264px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg); color:var(--ink); font-size:15px; line-height:1.7;
  -webkit-font-smoothing:antialiased; padding-bottom:0;
}
a{color:var(--navy-2);text-decoration:none}
img{max-width:100%;display:block}
b,strong{font-weight:600}
::selection{background:#d9e7f5}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--top-h);z-index:60;
  display:flex;align-items:center;gap:14px;padding:0 18px;
  background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-3) 100%);
  color:#fff;font-weight:700;font-size:17px;box-shadow:0 3px 10px rgba(18,58,99,.28);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.25}
.brand-txt b{font-size:15.5px;letter-spacing:.3px;color:var(--navy)}
.brand-txt i{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.2px}
.search-wrap{position:relative;flex:1 1 auto;max-width:520px;margin-left:6px}
.search-wrap .s-ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--ink-3)}
#searchInput{
  width:100%;height:38px;padding:0 46px 0 36px;border:1px solid var(--line);
  border-radius:19px;background:#f7f9fc;font-size:14px;color:var(--ink);outline:none;transition:.18s;
}
#searchInput:focus{border-color:var(--navy-3);background:#fff;box-shadow:0 0 0 3px rgba(44,107,168,.13)}
.kbd{position:absolute;right:11px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:5px;padding:1px 6px;background:#fff}
.suggest{
  position:absolute;top:44px;left:0;right:0;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-lg);max-height:min(64vh,520px);overflow:auto;display:none;z-index:70;
}
.suggest.on{display:block}
.sg-item{padding:9px 14px;border-bottom:1px solid var(--line-2);cursor:pointer}
.sg-item:last-child{border-bottom:0}
.sg-item:hover,.sg-item.active{background:#f2f7fd}
.sg-t{font-size:13.5px;font-weight:600;display:flex;gap:8px;align-items:center}
.sg-c{font-size:11.5px;color:var(--ink-3);margin-top:2px}
.sg-s{font-size:12.5px;color:var(--ink-2);margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sg-empty{padding:18px;text-align:center;color:var(--ink-3);font-size:13px}
mark{background:#ffe9a8;color:#7a4b00;border-radius:3px;padding:0 2px}
.topbar-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ghost-btn{font-size:13px;color:var(--ink-2);padding:6px 11px;border-radius:8px;border:1px solid var(--line);background:#fff}
.ghost-btn:hover{color:var(--navy);border-color:var(--navy-3)}
.by{font-size:12.5px;color:var(--ink-3);border-left:1px solid var(--line);padding-left:10px}
.icon-btn{display:none}
.menu-btn{background:none;border:0;cursor:pointer;padding:6px}
.menu-btn span{display:block;width:18px;height:2px;background:var(--navy);margin:3px 0;border-radius:2px}

/* ---------- 布局 ---------- */
.layout{display:flex;padding-top:var(--top-h);min-height:100vh}
.sidebar{
  width:var(--side-w);flex:0 0 var(--side-w);position:sticky;top:var(--top-h);height:calc(100vh - var(--top-h));
  overflow-y:auto;background:#fff;border-right:1px solid var(--line);padding:14px 12px 30px;
}
.nav-group{display:flex;flex-direction:column;gap:2px}
.nav-title{font-size:11.5px;color:var(--ink-3);letter-spacing:1px;margin:18px 8px 8px;font-weight:600}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;font-size:14px;color:var(--ink-2);
  transition:.15s;position:relative;
}
.nav-item:hover{background:#f2f6fa;color:var(--navy)}
.nav-item.active{background:linear-gradient(90deg,#eaf2fb,#f6f9fd);color:var(--navy);font-weight:600}
.nav-item.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--navy-2)}
.nav-item .ni{
  width:24px;height:24px;flex:0 0 24px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:700;
  background:#eef3f8;color:var(--navy-2)
}
.nav-item .num{font-size:11.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;min-width:18px;text-align:center}
.nav-item em{margin-left:auto;font-style:normal;font-size:11px;color:var(--ink-3);background:#f1f4f8;border-radius:20px;padding:1px 7px}
.nav-item em:empty{display:none}
.nav-item.active em{background:#dbe8f6;color:var(--navy-2)}
.side-foot{margin:22px 8px 0;padding-top:16px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink-3)}
.side-foot-t{font-size:11px;letter-spacing:1px;color:var(--ink-3);margin-bottom:4px;font-weight:600}
.side-foot p{margin:0 0 10px}
.by-big{font-size:15px;color:var(--navy);font-weight:700}
.scrim{display:none}
.main{flex:1 1 auto;min-width:0;padding:22px 26px 60px;max-width:1120px}

/* ---------- 线性图标 ---------- */
.ci{display:inline-block;width:16px;height:16px;flex:0 0 auto}
.ci-wrap{display:inline-flex;align-items:center;justify-content:center;width:25px;height:25px;border-radius:8px;
  background:rgba(18,58,99,.07);vertical-align:-7px;margin-right:7px}
.ci-wrap .ci{width:15px;height:15px}
.hci{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;
  border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.14);vertical-align:-2px;margin-right:11px}
.hci .ci{width:19px;height:19px}

/* ---------- 通用块 ---------- */
.page-head{margin-bottom:18px}
.crumb{font-size:12.5px;color:var(--ink-3);margin-bottom:6px}
.crumb a{color:var(--ink-3)}
h1.h-title{font-size:26px;margin:0 0 6px;color:var(--navy);letter-spacing:.5px}
h2.sec-h{font-size:18px;margin:26px 0 12px;color:var(--navy);display:flex;align-items:center;gap:9px}
h2.sec-h::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--gold)}
.sub{color:var(--ink-2);font-size:14px;margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.pad{padding:18px}
.muted{color:var(--ink-3);font-size:13px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.pill{display:inline-block;font-size:11.5px;padding:1px 8px;border-radius:20px;background:#eef3f8;color:var(--navy-2);margin:0 4px 4px 0}
.pill.gold{background:var(--gold-soft);color:#8a6516}
.pill.red{background:#fbecec;color:var(--red)}
.pill.green{background:#e8f5ef;color:var(--green)}

/* ---------- 首页 hero ---------- */
.hero{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);margin-bottom:18px}
.hero img{width:100%;height:280px;object-fit:cover;display:block}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,32,58,.92) 0%,rgba(9,32,58,.72) 45%,rgba(9,32,58,.15) 78%)}
.hero-txt{position:absolute;left:0;right:0;bottom:0;padding:26px 28px;color:#fff}
.hero-txt h1{font-size:30px;margin:0 0 6px;letter-spacing:2px;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.hero-txt p{margin:0;font-size:14px;opacity:.92;letter-spacing:.5px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.hero-badges span{font-size:12px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);padding:3px 10px;border-radius:20px;backdrop-filter:blur(4px)}
.facts{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:20px}
.fact{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 12px;text-align:center;box-shadow:var(--shadow)}
.fact .n{font-size:24px;font-weight:700;color:var(--navy);line-height:1.1;font-variant-numeric:tabular-nums}
.fact .u{font-size:11.5px;color:var(--gold);font-weight:600}
.fact .d{font-size:11.5px;color:var(--ink-3);margin-top:5px;line-height:1.5}

/* 章节卡 */
.ch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ch-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:0;overflow:hidden;
  box-shadow:var(--shadow);cursor:pointer;transition:.2s;display:flex;flex-direction:column;
}
.ch-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#cfdceb}
.ch-card .bar{height:4px}
.ch-card .body{padding:14px 16px 16px}
.ch-card .cn{font-size:11.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;letter-spacing:1px}
.ch-card h3{margin:2px 0 6px;font-size:17px;color:var(--navy);display:flex;align-items:center;gap:8px}
.ch-card p{margin:0;font-size:12.8px;color:var(--ink-2);line-height:1.65;min-height:42px}
.ch-card .kp{margin-top:10px;display:flex;flex-wrap:wrap;gap:5px}
.ch-card .kp span{font-size:11px;background:#f2f6fa;color:var(--ink-2);border-radius:6px;padding:2px 7px}
.ch-card .go{margin-top:12px;font-size:12.5px;color:var(--navy-2);display:flex;align-items:center;gap:5px}
.ch-card{position:relative}
.ch-wm{position:absolute;right:-6px;top:22px;width:86px;height:86px;opacity:.09;pointer-events:none;z-index:0}
.ch-wm svg{width:100%;height:100%;stroke-width:1.2}
.ch-card .body{position:relative;z-index:1}

/* ---------- 章节页 ---------- */
.ch-hero{border-radius:16px;overflow:hidden;position:relative;margin-bottom:16px;background:var(--navy);box-shadow:var(--shadow)}
.ch-hero img{width:100%;height:190px;object-fit:cover;opacity:.8}
.ch-hero .m{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,32,58,.93) 0%,rgba(10,32,58,.62) 58%,rgba(10,32,58,.34) 100%)}
.ch-hero .t{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:0 26px;color:#fff}
.ch-hero .t .num{font-size:12px;letter-spacing:3px;opacity:.85}
.ch-hero .t h1{font-size:28px;margin:2px 0 6px;letter-spacing:2px}
.ch-hero .t p{margin:0;font-size:13.5px;opacity:.92;max-width:760px}
.ch-hero.noimg{height:132px;background:linear-gradient(120deg,#0d2744 0%,#173f66 55%,#2a679f 100%)}
.ch-hero.noimg .t{padding:0 26px}
.ch-hero .t{position:relative;z-index:2}
.h-wm{position:absolute;right:24px;top:50%;transform:translateY(-50%);width:112px;height:112px;opacity:.14;color:#fff;z-index:1}
.h-wm svg{width:100%;height:100%;stroke-width:1.1}
.toc{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
.toc a{font-size:12.5px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:4px 12px;color:var(--ink-2)}
.toc a:hover{border-color:var(--navy-3);color:var(--navy);background:#f5f9fd}
.toc-more{display:contents}
.toc-toggle{display:none;background:#eef3f8!important;color:var(--navy-2)!important;border-color:#dbe6f0!important;font-weight:600}
@media (max-width:760px){
  .toc-more{display:none}
  .toc.open .toc-more{display:contents}
  .toc-toggle{display:inline-block}
}

/* 小节 */
.sec{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden;scroll-margin-top:76px}
.sec-hd{display:flex;align-items:center;gap:10px;padding:13px 16px;cursor:pointer;user-select:none}
.sec-hd:hover{background:#fafcfe}
.sec-hd .lv{font-size:11px;color:#fff;background:var(--navy-2);border-radius:6px;padding:1px 6px;flex:0 0 auto}
.sec-hd.lv2 .lv,.sec-hd.lv3 .lv,.sec-hd.lv4 .lv{background:#7d93ab}
.sec-hd h3{margin:0;font-size:15.5px;color:var(--ink);font-weight:600;flex:1 1 auto}
.sec-hd .cnt{font-size:11.5px;color:var(--ink-3)}
.sec-hd .arw{transition:.2s;color:var(--ink-3);font-size:12px}
.sec.open .sec-hd .arw{transform:rotate(90deg)}
.sec-bd{display:none;padding:0 16px 16px;border-top:1px solid var(--line-2)}
.sec.open .sec-bd{display:block}
.sec-bd p{margin:12px 0 0;font-size:14.2px;color:#25303d;line-height:1.85;text-align:justify;text-indent:2em}
.tip{background:#fff8ea;border:1px solid #f0dfb8;border-left:3px solid var(--gold);border-radius:8px;padding:10px 12px;margin:12px 0 0;font-size:13.5px;color:#6d5220}
.tip b{color:var(--gold)}
.lawbox{margin:12px 0 0;background:#f7fafc;border:1px solid var(--line-2);border-radius:8px;padding:10px 12px}
.lawbox .lt{font-size:11.5px;letter-spacing:1px;color:var(--ink-3);font-weight:600;margin-bottom:5px}
.lawbox ul{margin:0;padding-left:16px}
.lawbox li{font-size:13px;color:var(--ink-2);margin:3px 0}
.bullets{margin:12px 0 0;padding-left:16px}
.bullets li{font-size:13.5px;color:var(--ink-2);margin:4px 0}
.ch-nextprev{display:flex;gap:12px;margin-top:22px}
.ch-nextprev a{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow)}
.ch-nextprev a:hover{border-color:var(--navy-3)}
.ch-nextprev .lbl{font-size:11.5px;color:var(--ink-3)}
.ch-nextprev .nm{font-size:15px;color:var(--navy);font-weight:600}
.ch-nextprev .next{text-align:right}

/* ---------- 交互模块 ---------- */
.tool{margin-bottom:14px}
.tool-hd{display:flex;align-items:flex-start;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line-2);background:linear-gradient(180deg,#fbfdff,#fff)}
.tool-hd .ic{width:28px;height:28px;flex:0 0 28px;border-radius:8px;display:grid;place-items:center;background:#eaf2fb;color:var(--navy-2);font-size:13px;font-weight:700}
.tool-hd h4{margin:0;font-size:15px;color:var(--navy)}
.tool-hd p{margin:2px 0 0;font-size:12.5px;color:var(--ink-3)}
.tool-bd{padding:14px 16px}

/* quiz */
.quiz-q{font-size:15px;font-weight:600;margin:6px 0 4px;color:var(--ink)}
.quiz-hint{font-size:12.5px;color:var(--ink-3);margin-bottom:10px}
.opt{display:block;width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:10px;
  padding:10px 13px;margin-bottom:8px;font-size:13.8px;color:var(--ink);cursor:pointer;transition:.15s;font-family:inherit;line-height:1.6}
.opt:hover{border-color:var(--navy-3);background:#f6fafd;transform:translateX(2px)}
.opt .od{display:block;font-size:12px;color:var(--ink-3);margin-top:3px}
.quiz-back{font-size:12.5px;color:var(--ink-3);background:none;border:0;cursor:pointer;padding:0;margin-bottom:8px;font-family:inherit}
.quiz-back:hover{color:var(--navy)}
.result{border-radius:12px;padding:14px;border:1px solid}
.result.ok{background:#f0f8f4;border-color:#c9e6d8}
.result.warn{background:#fdf6ec;border-color:#f0ddbd}
.result .rt{font-size:17px;font-weight:700;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.result.ok .rt{color:var(--green)} .result.warn .rt{color:#96631a}
.result .rd{font-size:13.5px;color:var(--ink-2);margin-bottom:8px}
.result ul{margin:0;padding-left:18px}
.result li{font-size:13.2px;color:#2b3745;margin:4px 0;line-height:1.7}
.result .jump{margin-top:10px;font-size:13px}
.result .jump a{color:var(--navy-2);border-bottom:1px dashed var(--navy-3)}

/* cards */
.card-tools{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.mini-search{flex:1 1 200px;min-width:160px;height:34px;border:1px solid var(--line);border-radius:9px;padding:0 11px;font-size:13.5px;outline:none;font-family:inherit}
.mini-search:focus{border-color:var(--navy-3)}
.cards{display:grid;gap:10px}
.cards.c1{grid-template-columns:1fr}.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c3{grid-template-columns:repeat(3,1fr)}.cards.c4{grid-template-columns:repeat(4,1fr)}
.icard{border:1px solid var(--line);border-radius:11px;background:#fff;padding:12px 13px;cursor:pointer;transition:.16s}
.icard:hover{border-color:var(--navy-3);box-shadow:0 3px 12px rgba(18,58,99,.09)}
.icard .it{font-size:14px;font-weight:600;color:var(--navy);display:flex;align-items:center;gap:7px}
.icard .is{font-size:12.5px;color:var(--ink-2);margin-top:3px}
.icard .id{display:none;font-size:13px;color:#2b3745;margin-top:9px;padding-top:9px;border-top:1px dashed var(--line);line-height:1.75}
.icard.open .id{display:block}
.icard .tags{margin-top:8px}
.icard .arrow{margin-left:auto;color:var(--ink-3);font-size:11px;transition:.2s}
.icard.open .arrow{transform:rotate(90deg)}

/* calc */
.calc-fields{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.fld label{display:block;font-size:12.5px;color:var(--ink-2);margin-bottom:5px}
.fld .inp{display:flex;align-items:center;border:1px solid var(--line);border-radius:9px;background:#fff;overflow:hidden}
.fld input,.fld select{flex:1;border:0;outline:none;height:38px;padding:0 11px;font-size:14px;font-family:inherit;color:var(--ink);background:transparent}
.fld .unit{padding:0 10px;font-size:12.5px;color:var(--ink-3);background:#f7f9fc;align-self:stretch;display:flex;align-items:center;border-left:1px solid var(--line)}
.calc-out{margin-top:14px;background:#f6fafd;border:1px solid #dde8f3;border-radius:11px;padding:14px}
.calc-out .row{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;padding:4px 0;border-bottom:1px dashed #e3ebf3}
.calc-out .row:last-child{border-bottom:0}
.calc-out .row.tot{font-size:16px;font-weight:700;color:var(--navy);padding-top:8px}
.calc-out .row span:last-child{font-variant-numeric:tabular-nums}
.calc-note{margin-top:10px;font-size:12.5px;color:var(--ink-3);line-height:1.7}

/* steps */
.steps{position:relative;padding-left:26px}
.steps::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--navy-3),#cfe0ee)}
.step{position:relative;margin-bottom:14px}
.step:last-child{margin-bottom:0}
.step .dot{position:absolute;left:-26px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--navy-3);
  display:grid;place-items:center;font-size:10.5px;color:var(--navy);font-weight:700}
.step .st{font-size:14px;font-weight:600;color:var(--navy)}
.step .sd{font-size:13.2px;color:var(--ink-2);margin-top:2px;line-height:1.7}

/* table */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.tbl{width:100%;border-collapse:collapse;font-size:13.4px;min-width:520px}
table.tbl th{background:#f3f7fb;color:var(--navy);font-weight:600;text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.tbl td{padding:9px 12px;border-bottom:1px solid var(--line-2);color:#2b3745;vertical-align:top;line-height:1.7}
table.tbl tr:last-child td{border-bottom:0}
table.tbl tbody tr:hover{background:#fafcfe}

/* checklist */
.cl{list-style:none;margin:0;padding:0}
.cl li{display:flex;gap:9px;align-items:flex-start;padding:8px 10px;border:1px solid var(--line);border-radius:9px;margin-bottom:7px;cursor:pointer;font-size:13.6px;line-height:1.7;background:#fff}
.cl li:hover{border-color:var(--navy-3)}
.cl li .box{width:17px;height:17px;flex:0 0 17px;border:1.5px solid #c3d0dd;border-radius:5px;margin-top:3px;display:grid;place-items:center;font-size:11px;color:#fff}
.cl li.done{background:#f4faf7;border-color:#cde6da}
.cl li.done .box{background:var(--green);border-color:var(--green)}
.cl li.done .txt{color:var(--ink-3);text-decoration:line-through}
.cl-prog{font-size:12.5px;color:var(--ink-3);margin-bottom:9px}

/* ---------- 图表 ---------- */
.chart-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.chart-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:14px 16px 10px}
.chart-card.full{grid-column:1/-1}
.chart-card h4{margin:0 0 2px;font-size:15px;color:var(--navy)}
.chart-card .cd{font-size:12.3px;color:var(--ink-3);margin-bottom:6px}
.chart{width:100%;height:300px}
.chart.tall{height:380px}
.chart.sm{height:240px}
.chart-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.chart-tabs button{font-size:12.3px;border:1px solid var(--line);background:#fff;border-radius:20px;padding:3px 11px;cursor:pointer;color:var(--ink-2);font-family:inherit}
.chart-tabs button.on{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- 检索结果 ---------- */
.res-bar{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.res-bar .n{font-size:13.5px;color:var(--ink-2)}
.res-bar .n b{color:var(--navy);font-size:16px}
.res-filters{display:flex;gap:6px;flex-wrap:wrap}
.res-filters button{font-size:12.3px;border:1px solid var(--line);background:#fff;border-radius:20px;padding:3px 11px;cursor:pointer;color:var(--ink-2);font-family:inherit}
.res-filters button.on{background:#eaf2fb;border-color:var(--navy-3);color:var(--navy)}
.res-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 15px;margin-bottom:10px;box-shadow:var(--shadow)}
.res-item .rt{font-size:15px;font-weight:600;color:var(--navy);display:flex;gap:8px;align-items:baseline}
.res-item .rc{font-size:11.5px;color:#fff;background:var(--navy-2);border-radius:5px;padding:1px 6px;font-weight:400}
.res-item .rs{font-size:13.4px;color:#2b3745;margin-top:6px;line-height:1.8}
.res-item .rm{font-size:11.8px;color:var(--ink-3);margin-top:6px}
.empty{text-align:center;padding:44px 20px;color:var(--ink-3)}
.empty .e-ico{font-size:34px;opacity:.35}

/* ---------- 法规库 ---------- */
.law-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.law-toolbar input,.law-toolbar select{height:36px;border:1px solid var(--line);border-radius:9px;padding:0 11px;font-size:13.5px;outline:none;font-family:inherit;background:#fff}
.law-toolbar input{flex:1 1 240px}
.law-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.law-item{background:#fff;border:1px solid var(--line);border-radius:11px;padding:11px 13px;display:flex;gap:11px;align-items:flex-start;box-shadow:var(--shadow)}
.law-item .yr{font-size:12px;font-weight:700;color:var(--gold);background:var(--gold-soft);border-radius:6px;padding:2px 7px;flex:0 0 auto;margin-top:2px}
.law-item .nm{font-size:13.8px;color:var(--ink);line-height:1.65}
.law-item .ch{font-size:11.8px;color:var(--ink-3);margin-top:4px}
.law-item .ch a{color:var(--navy-2)}

/* 网站 */
.sites{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.site{background:#fff;border:1px solid var(--line);border-radius:11px;padding:12px 14px;box-shadow:var(--shadow)}
.site b{display:block;font-size:13.8px;color:var(--navy)}
.site a{font-size:12px;color:var(--ink-3);word-break:break-all}
.site a:hover{color:var(--navy-2)}

/* ---------- 页脚 / 回到顶部 ---------- */
.footer{margin-left:0;background:#0e2c4c;color:#c8d8e8;padding:26px 26px 40px}
.foot-inner{max-width:1120px;margin:0 auto;display:flex;gap:30px;justify-content:space-between;flex-wrap:wrap}
.footer b{color:#fff;font-size:14.5px}
.footer p{font-size:12.5px;margin:6px 0 0;line-height:1.8;max-width:640px;opacity:.85}
.foot-meta{display:flex;flex-direction:column;gap:7px;align-items:flex-start}
.badge{font-size:12.5px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:3px 12px;color:#eaf2fa}
.badge.ghost{background:transparent}
.totop{position:fixed;right:20px;bottom:76px;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--navy);box-shadow:var(--shadow-lg);cursor:pointer;font-size:17px;display:none;z-index:50}
.totop.on{display:block}
.tabbar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .ch-grid{grid-template-columns:repeat(2,1fr)}
  .facts{grid-template-columns:repeat(3,1fr)}
  .sites{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  :root{--top-h:56px}
  .sidebar{position:fixed;left:0;top:var(--top-h);transform:translateX(-100%);transition:transform .24s ease;z-index:55;width:280px;box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .scrim{display:block;position:fixed;inset:var(--top-h) 0 0;background:rgba(10,25,45,.4);opacity:0;pointer-events:none;transition:.24s;z-index:50}
  .scrim.on{opacity:1;pointer-events:auto}
  .icon-btn{display:block}
  .topbar-right .ghost-btn{display:none}
  .topbar-right .by{display:none}
  .main{padding:16px 16px 84px;max-width:none}
  .chart-grid{grid-template-columns:1fr}
  .law-list{grid-template-columns:1fr}
  .calc-fields{grid-template-columns:1fr}
  .cards.c3,.cards.c4{grid-template-columns:repeat(2,1fr)}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,255,255,.96);
    backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:5px 4px calc(5px + env(safe-area-inset-bottom));
  }
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--ink-3);font-size:11px;padding:3px 0}
  .tabbar a svg{width:21px;height:21px}
  .tabbar a.on{color:var(--navy)}
  .footer{padding-bottom:80px}
  .totop{bottom:70px}
  .hero img{height:220px}
  .hero-txt{padding:18px}
  .hero-txt h1{font-size:23px}
}
@media (max-width:760px){
  .topbar{gap:8px;padding:0 12px}
  .brand-txt{display:none}
  .kbd{display:none}
  .search-wrap{margin-left:0}
  #searchInput{padding-right:14px;font-size:13.5px}
}
@media (max-width:640px){
  body{font-size:14.5px}
  .ch-grid{grid-template-columns:1fr}
  .facts{grid-template-columns:repeat(2,1fr)}
  .cards.c2,.cards.c3,.cards.c4{grid-template-columns:1fr}
  .sites{grid-template-columns:1fr}
  .g2,.g3,.g4{grid-template-columns:1fr}
  h1.h-title{font-size:21px}
  .hero img{height:180px}
  .hero-txt h1{font-size:20px}
  .ch-hero img{height:130px}
  .ch-hero .t h1{font-size:22px}
  .chart{height:260px}
  .chart.tall{height:330px}
  .search-wrap{max-width:none}
  .suggest{max-height:56vh}
  .foot-inner{flex-direction:column;gap:14px}
  .res-bar{gap:8px}
}
@media print{
  .topbar,.sidebar,.tabbar,.totop,.footer{display:none}
  .main{padding:0}
  .sec-bd{display:block!important}
}