/* =========================================================
   紫苏翻译 Zisu · zi-su.cn 官网样式表
   纯本地资源：不引任何境外字体 / CDN / 图标库
   换品牌色只改 :root 里的 --brand-* 六个值
   ========================================================= */

:root{
  /* 品牌色：紫苏紫 */
  --brand-900:#2c1a4d;
  --brand-700:#4a2e86;
  --brand-600:#5c3da3;
  --brand-500:#7250be;
  --brand-200:#d6c9ee;
  --brand-100:#ece4f8;
  --brand-050:#f7f4fc;

  /* 中性色 */
  --ink-900:#17131f;
  --ink-700:#39324a;
  --ink-500:#655e74;
  --ink-400:#8b8599;
  --line:#e5e1ed;
  --line-soft:#f0edf6;
  --bg:#ffffff;
  --bg-soft:#faf9fd;
  --ok:#1d7a5f;

  --radius:12px;
  --radius-lg:18px;
  --maxw:1080px;
  --shadow:0 1px 2px rgba(23,19,31,.05), 0 8px 24px rgba(44,26,77,.06);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC","WenQuanYi Micro Hei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}

img,svg{max-width:100%;}

a{color:var(--brand-600);text-decoration:none;}
a:hover{color:var(--brand-700);text-decoration:underline;}

h1,h2,h3,h4{color:var(--ink-900);line-height:1.35;margin:0 0 .6em;font-weight:700;letter-spacing:.01em;}
h1{font-size:2.05rem;}
h2{font-size:1.5rem;}
h3{font-size:1.1rem;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.35em;}
li{margin:.3em 0;}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- 页头 ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.94);
  position:sticky;top:0;z-index:20;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-700);text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{width:30px;height:30px;flex:0 0 auto;color:var(--brand-600);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:1.06rem;color:var(--ink-900);letter-spacing:.04em;}
.brand-text i{font-style:normal;font-size:.68rem;color:var(--ink-400);letter-spacing:.22em;text-transform:uppercase;}

.nav{display:flex;flex-wrap:wrap;gap:4px;}
.nav a{
  display:inline-block;padding:7px 12px;border-radius:8px;
  color:var(--ink-700);font-size:.94rem;text-decoration:none;
}
.nav a:hover{background:var(--brand-050);color:var(--brand-700);text-decoration:none;}
.nav a[aria-current="page"]{background:var(--brand-100);color:var(--brand-700);font-weight:600;}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0;}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{margin-bottom:.35em;}
.section-head p{color:var(--ink-500);margin:0;}
.eyebrow{
  display:inline-block;margin-bottom:12px;padding:4px 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:.75rem;letter-spacing:.08em;font-weight:600;
}

/* ---------- 首屏 ---------- */
.hero{padding:64px 0 52px;background:linear-gradient(180deg,var(--brand-050) 0%,#fff 100%);border-bottom:1px solid var(--line-soft);}
.hero h1{font-size:2.35rem;max-width:16em;}
.hero .lede{font-size:1.1rem;color:var(--ink-500);max-width:34em;margin-bottom:1.6em;}
.hero-meta{color:var(--ink-400);font-size:.86rem;margin-top:1.4em;}

.btn-row{display:flex;flex-wrap:wrap;gap:12px;}
.btn{
  display:inline-block;padding:11px 22px;border-radius:10px;
  font-size:.96rem;font-weight:600;text-decoration:none;border:1px solid transparent;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand-600);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-200);}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);}

/* ---------- 栅格与卡片 ---------- */
.grid{display:grid;gap:18px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 18px;
}
.card h3{margin-bottom:.4em;font-size:1.04rem;}
.card p{margin:0;color:var(--ink-500);font-size:.94rem;}
.card-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:8px;margin-bottom:12px;
  background:var(--brand-100);color:var(--brand-700);font-size:.85rem;font-weight:700;
}

/* ---------- 功能长条 ---------- */
.feature{padding:28px 0;border-top:1px solid var(--line-soft);}
.feature:first-of-type{border-top:0;}
.feature h3{font-size:1.18rem;margin-bottom:.35em;}
.feature p{color:var(--ink-500);margin-bottom:.6em;}
.feature .note{
  background:var(--brand-050);border-left:3px solid var(--brand-200);
  padding:10px 14px;border-radius:0 8px 8px 0;font-size:.9rem;color:var(--ink-500);margin:0;
}

/* ---------- 价格 ---------- */
.plans{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;}
.plan{border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;background:#fff;}
.plan-featured{border-color:var(--brand-500);box-shadow:var(--shadow);}
.plan-tag{display:inline-block;margin-bottom:10px;padding:3px 10px;border-radius:999px;background:var(--brand-600);color:#fff;font-size:.72rem;font-weight:600;letter-spacing:.06em;}
.plan h3{font-size:1.15rem;margin-bottom:.15em;}
.plan .plan-for{color:var(--ink-400);font-size:.86rem;margin-bottom:1em;}
.price{font-size:2.1rem;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;}
.price-period{font-size:.95rem;color:var(--ink-400);margin-left:2px;}
.plan .cycle{font-size:.84rem;color:var(--ink-400);margin:.4em 0 1.2em;}
.plan ul{list-style:none;padding:0;margin:0 0 1.4em;}
.plan ul li{position:relative;padding-left:22px;font-size:.93rem;color:var(--ink-700);margin:.55em 0;}
.plan ul li::before{content:"";position:absolute;left:2px;top:.62em;width:9px;height:5px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg);}
.plan .btn{width:100%;text-align:center;}

/* ---------- 表格 ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:520px;}
caption{text-align:left;color:var(--ink-400);font-size:.85rem;padding-bottom:8px;}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
thead th{background:var(--bg-soft);color:var(--ink-900);font-weight:600;white-space:nowrap;}

/* ---------- 问答 ---------- */
.qa{border-top:1px solid var(--line-soft);padding:22px 0;}
.qa:first-of-type{border-top:0;}
.qa h3{font-size:1.03rem;margin-bottom:.4em;}
.qa h3::before{content:"Q";display:inline-block;margin-right:8px;color:var(--brand-500);font-weight:700;}
.qa p:last-child{margin-bottom:0;}
.qa p,.qa ul{color:var(--ink-500);font-size:.95rem;}

/* ---------- 法务长文 ---------- */
.doc{max-width:760px;}
.doc h2{font-size:1.2rem;margin-top:2em;padding-top:.2em;}
.doc h2:first-of-type{margin-top:1em;}
.doc h3{font-size:1rem;margin-top:1.4em;}
.doc p,.doc li{font-size:.96rem;}
.doc .meta{color:var(--ink-400);font-size:.88rem;border-bottom:1px solid var(--line);padding-bottom:1.2em;}

.callout{
  background:var(--brand-050);border:1px solid var(--brand-200);
  border-radius:var(--radius);padding:18px 20px;margin:1.6em 0;
}
.callout h3{margin-top:0;}
.callout p:last-child,.callout ul:last-child{margin-bottom:0;}

.pagehead{padding:44px 0 8px;background:var(--brand-050);border-bottom:1px solid var(--line-soft);}
.pagehead h1{font-size:1.85rem;margin-bottom:.3em;}
.pagehead p{color:var(--ink-500);max-width:40em;margin:0;padding-bottom:28px;}

.contact-list{list-style:none;padding:0;margin:0;}
.contact-list li{display:flex;flex-wrap:wrap;gap:6px 16px;padding:14px 0;border-bottom:1px solid var(--line-soft);margin:0;}
.contact-list .k{width:120px;flex:0 0 auto;color:var(--ink-400);font-size:.9rem;}
.contact-list .v{flex:1 1 220px;color:var(--ink-900);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:44px 0 28px;margin-top:8px;}
.foot-cols{display:grid;gap:26px;grid-template-columns:1.6fr 1fr 1fr 1.2fr;margin-bottom:34px;}
.foot-col h2{font-size:.82rem;letter-spacing:.1em;color:var(--ink-400);font-weight:600;margin-bottom:.9em;}
.foot-col a{display:block;color:var(--ink-700);font-size:.92rem;padding:3px 0;}
.foot-col p{font-size:.9rem;color:var(--ink-500);margin:0 0 .4em;}
.foot-brand{font-weight:700;color:var(--ink-900);margin-bottom:.5em;}
.foot-desc{font-size:.9rem;color:var(--ink-500);max-width:22em;}

.beian{text-align:center;border-top:1px solid var(--line);padding-top:22px;}
.beian p{margin:0 0 .35em;font-size:.86rem;color:var(--ink-500);}
.beian .company{color:var(--ink-700);}
.beian .records a{color:var(--ink-500);}
.beian .records a:hover{color:var(--brand-700);}
.beian .copyright{color:var(--ink-400);font-size:.8rem;margin-top:.6em;}

/* ---------- 响应式 ---------- */
@media (max-width:860px){
  .foot-cols{grid-template-columns:1fr 1fr;}
  .plans{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  body{font-size:15.5px;}
  h1{font-size:1.7rem;}
  .hero{padding:40px 0 34px;}
  .hero h1{font-size:1.72rem;}
  .hero .lede{font-size:1rem;}
  .section{padding:40px 0;}
  .header-inner{padding-top:10px;padding-bottom:10px;}
  .nav{width:100%;gap:2px;}
  .nav a{padding:6px 9px;font-size:.88rem;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .foot-cols{grid-template-columns:1fr;gap:20px;}
  .btn{width:100%;text-align:center;}
  .contact-list .k{width:100%;}
}

/* 非主推套餐的占位角标：只为让三档价格横向对齐，不显示内容 */
.plan-tag-ghost{visibility:hidden;}
@media (max-width:860px){.plan-tag-ghost{display:none;}}