/* ================= 基础 ================= */
:root{
  --blue:#0096FA;
  --blue-dark:#0072C6;
  --green:#A7ED20;
  --green-dark:#8CC60F;
  --navy:#062A45;
  --ink:#22303F;
  --muted:#64748B;
  --bg:#F2F7FC;
  --card:#FFFFFF;
  --line:#DFE9F3;
  --warn-bg:#FFF7E6; --warn-line:#FFD591; --warn-ink:#8A5A00;
  --tip-bg:#E8F6FF;  --tip-line:#91D5FF;  --tip-ink:#0050B3;
  --danger-bg:#FFF1F0; --danger-line:#FFA39E; --danger-ink:#A8071A;
  --radius:16px;
  --shadow:0 10px 30px rgba(6,42,69,.08);
  --shadow-sm:0 4px 14px rgba(6,42,69,.06);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","微软雅黑","PingFang SC","Hiragino Sans GB","Noto Sans SC",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%}
a{color:var(--blue);text-decoration:none}
ul,ol{list-style:none}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.skip-link{position:fixed;left:12px;top:-60px;z-index:300;background:var(--blue);color:#fff;padding:10px 16px;border-radius:10px;font-weight:700;transition:top .2s}
.skip-link:focus{top:12px;color:#fff}

/* ================= 顶部导航 ================= */
.site-header{
  position:fixed;inset:0 0 auto;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s,border-color .25s;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(6,42,69,.10);border-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy)}
.brand-icon{
  width:40px;height:40px;flex:none;border-radius:12px;
  background:linear-gradient(135deg,var(--blue),#00B4FF);color:#fff;
  display:grid;place-items:center;font-size:20px;
  box-shadow:0 4px 12px rgba(0,150,250,.35);
}
.brand-text{font-size:19px;font-weight:800;display:flex;flex-direction:column;line-height:1.25}
.brand-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.1em}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:10px;
  color:#42536B;font-size:14.5px;font-weight:600;transition:background .2s,color .2s;
}
.nav-link i{font-size:13px;color:var(--blue)}
.nav-link:hover{background:#EAF5FF;color:var(--blue-dark)}
.nav-link.active{background:var(--blue);color:#fff}
.nav-link.active i{color:#fff}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;
  background:#fff;color:var(--navy);font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}

/* ================= 首屏 ================= */
.hero{
  position:relative;color:#fff;overflow:hidden;padding:152px 0 92px;
  background:
    radial-gradient(1100px 600px at 88% -10%, rgba(0,150,250,.55), transparent 60%),
    radial-gradient(900px 500px at -10% 112%, rgba(167,237,32,.16), transparent 55%),
    linear-gradient(135deg,#041E33 0%,#073A5E 55%,#005A94 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(167,237,32,.14);border:1px solid rgba(167,237,32,.45);color:var(--green);
  padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:700;letter-spacing:.05em;
}
.hero-title{font-size:clamp(44px,6vw,68px);font-weight:900;line-height:1.1;margin:18px 0 14px;letter-spacing:.02em}
.hero-lead{font-size:17px;color:#C9DEF0;max-width:560px}
.hero-lead .hl{color:var(--green);font-weight:700}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);margin:30px 0}
.stat{padding:2px 16px;border-left:2px solid rgba(255,255,255,.22)}
.stat:first-child{border-left:none;padding-left:0}
.stat-num{display:block;font-size:34px;font-weight:900;line-height:1.15;color:#fff}
.stat-label{font-size:13px;color:#9FC1DC}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:12px;
  font-size:15.5px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn--green{background:linear-gradient(135deg,#BFFB2E,var(--green-dark));color:#123000;box-shadow:0 10px 26px rgba(167,237,32,.35)}
.btn--ghost{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.18)}
.hero-visual{display:flex;justify-content:center;position:relative}
.phone{
  position:relative;width:min(240px,62vw);border-radius:34px;background:#0A1B2E;padding:10px;
  box-shadow:0 40px 80px rgba(2,20,38,.55);transform:rotate(4deg);
}
.phone img{border-radius:26px;width:100%;display:block}
.phone-notch{position:absolute;top:18px;left:50%;transform:translateX(-50%);width:96px;height:22px;background:#0A1B2E;border-radius:12px;z-index:2}
.float-chip{
  position:absolute;display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--navy);
  font-weight:700;font-size:13.5px;padding:9px 15px;border-radius:999px;
  box-shadow:0 12px 30px rgba(2,20,38,.35);
}
.float-chip i{color:var(--blue)}
.chip-a{top:24%;left:-7%}
.chip-b{bottom:14%;right:-5%}

/* ================= 章节通用 ================= */
.section{padding:76px 0;scroll-margin-top:64px}
.section--tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.sec-icon{
  width:56px;height:56px;flex:none;border-radius:16px;display:grid;place-items:center;
  font-size:24px;color:#fff;background:linear-gradient(135deg,var(--blue),#00B4FF);
  box-shadow:0 10px 24px rgba(0,150,250,.30);
}
.section-head h2{font-size:30px;color:var(--navy)}
.kicker{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.22em;color:var(--blue);text-transform:uppercase;margin-bottom:4px}
.section-head.center{flex-direction:column;text-align:center;gap:4px}
.lead{color:var(--muted);font-size:16px;max-width:760px;margin-bottom:28px}
.section-head.center .lead{margin:16px auto 0}

/* ================= 前言 · 学习路径 ================= */
.journey{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:38px}
.journey-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:24px 14px 18px;text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s;
}
.journey-step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.journey-step::before{
  content:counter(j);counter-increment:j;position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--navy);color:#fff;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.journey-step{counter-increment:j}
.journey-icon{
  width:52px;height:52px;margin:0 auto 12px;border-radius:50%;display:grid;place-items:center;
  font-size:21px;color:var(--blue);background:#E8F5FF;border:1px solid #C9E8FF;
}
.journey-step strong{display:block;color:var(--navy);font-size:15.5px;margin-bottom:4px}
.journey-desc{display:block;font-size:12.5px;color:var(--muted)}

/* ================= 卡片 ================= */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.card h3{display:flex;align-items:center;gap:10px;font-size:17px;color:var(--navy);margin-bottom:10px}
.card-icon{width:36px;height:36px;flex:none;border-radius:10px;background:#E8F5FF;color:var(--blue);display:grid;place-items:center;font-size:16px}
.card>p{color:var(--muted);font-size:14.5px}
.tick-list li,.status-list li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted)}
.tick-list li:last-child,.status-list li:last-child{border-bottom:none}
.tick-list li i,.status-list li i{margin-top:4px}
.tick-list li i{color:var(--blue)}
.status-list .ok i{color:#52C41A}
.status-list .plan i{color:#FAAD14}
.status-list .grow i{color:var(--blue)}
.status-list strong,.tick-list strong{color:var(--ink)}

/* ================= 提示框 ================= */
.callout{display:flex;gap:14px;border-radius:14px;padding:18px 20px;margin-top:24px;align-items:flex-start;border:1px solid}
.callout p{font-size:14.5px;margin-top:2px}
.callout strong{font-size:15px}
.co-icon{width:36px;height:36px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:15px}
.callout--warn{background:var(--warn-bg);border-color:var(--warn-line)}
.callout--warn .co-icon{background:#FFE0A3;color:var(--warn-ink)}
.callout--warn strong{color:var(--warn-ink)}
.callout--tip{background:var(--tip-bg);border-color:var(--tip-line)}
.callout--tip .co-icon{background:#BAE4FF;color:var(--tip-ink)}
.callout--tip strong{color:var(--tip-ink)}
.callout--danger{background:var(--danger-bg);border-color:var(--danger-line)}
.callout--danger .co-icon{background:#FFCCC7;color:var(--danger-ink)}
.callout--danger strong{color:var(--danger-ink)}
.callout-row{margin-top:28px}
.callout-row .callout{margin-top:0}

/* ================= 小标题 / 标签 ================= */
.block-title{display:flex;align-items:center;gap:10px;font-size:18px;color:var(--navy);margin:36px 0 14px}
.mini-tag{
  display:inline-flex;align-items:center;background:var(--navy);color:var(--green);
  font-size:12px;font-weight:800;padding:3px 9px;border-radius:7px;letter-spacing:.06em;
}
.block-lead{color:var(--muted);font-size:15px;margin:-6px 0 16px}

/* ================= 表格 ================= */
.table-wrap{overflow-x:auto;border-radius:14px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:440px}
th{background:var(--navy);color:#fff;text-align:left;padding:13px 16px;font-weight:700;letter-spacing:.04em;white-space:nowrap}
td{padding:12px 16px;border-top:1px solid var(--line);color:var(--ink)}
tbody tr:nth-child(even){background:#F6FAFD}
tbody tr:hover{background:#EDF6FF}
code{background:#EFF6FC;border:1px solid var(--line);color:var(--blue-dark);padding:2px 9px;border-radius:6px;font-family:Consolas,"SFMono-Regular",Menlo,monospace;font-size:13.5px}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:800;letter-spacing:.04em}
.badge--lang{background:#E8F5FF;color:#0059A8;border:1px solid #B7DFFF}
.badge--default{background:#EDF2F7;color:#55677E;border:1px solid #D5DEE8}
.badge--ok{background:#EFFADF;color:#3E7E00;border:1px solid #C9F08E}
.badge--plan{background:#FFF6DE;color:#9A6B00;border:1px solid #FFE19E}
.badge--en{background:#E8F5FF;color:#0059A8;border:1px solid #B7DFFF}
.badge--fr{background:#EFFADF;color:#3E7E00;border:1px solid #C9F08E}

/* ================= 截图 ================= */
.gallery{display:grid;gap:22px}
.gallery--1{grid-template-columns:minmax(0,320px);justify-content:center}
.gallery--2{grid-template-columns:repeat(2,minmax(0,340px));justify-content:center}
.gallery--3{grid-template-columns:repeat(3,minmax(0,300px));justify-content:center}
.shot{
  position:relative;border-radius:18px;overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);cursor:zoom-in;
  transition:transform .25s,box-shadow .25s;
}
.shot:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.shot img{width:100%;height:auto;display:block}
.shot--phone{max-width:320px;margin:0 auto}
.shot--phone img{aspect-ratio:9/20;object-fit:cover;object-position:top}
.shot figcaption{background:#fff;padding:10px 14px;font-size:13px;color:var(--muted);text-align:center;border-top:1px solid var(--line)}
.shot::after{
  font-family:"Font Awesome 6 Free";font-weight:900;content:"\f00e";
  position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:50%;
  background:rgba(6,42,69,.55);color:#fff;display:grid;place-items:center;font-size:13px;
  opacity:0;transition:opacity .2s;
}
.shot:hover::after{opacity:1}

/* ================= 演示卡片（语言切换） ================= */
.demo-card h4{display:flex;align-items:center;gap:10px;font-size:16.5px;color:var(--navy);margin-bottom:8px}
.demo-num{width:26px;height:26px;flex:none;border-radius:8px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800}
.demo-card>p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.demo-card .shot{max-width:270px;margin:0 auto}

/* ================= 登录步骤 ================= */
.steps{display:grid;gap:20px}
.step{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.step-num{
  flex:none;width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),#00B4FF);color:#fff;font-size:20px;font-weight:900;
  display:grid;place-items:center;box-shadow:0 8px 18px rgba(0,150,250,.30);
}
.step-body{flex:1;min-width:0}
.step-body h3{font-size:18px;color:var(--navy);margin-bottom:6px}
.step-body>p{color:var(--muted);font-size:14.5px}
.sub-steps{list-style:decimal;padding-left:1.5em;margin:8px 0 16px;color:var(--muted);font-size:14.5px}
.sub-steps li{margin:5px 0}
.step-body .shot--phone{max-width:290px;margin:10px 0 0}
.step .gallery--2{justify-content:flex-start;gap:16px}

/* ================= 步骤路径列表 ================= */
.path-list{margin-top:14px}
.path-list li{display:flex;align-items:center;gap:12px;padding:10px 0;color:var(--ink);font-size:14.5px}
.path-list li+li{border-top:1px dashed var(--line)}
.path-icon{width:34px;height:34px;flex:none;border-radius:10px;background:#E8F5FF;color:var(--blue);display:grid;place-items:center;font-size:14px}

/* ================= 三级结构流程图 ================= */
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:6px 0 10px}
.flow-node{
  flex:1;min-width:180px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px;text-align:center;box-shadow:var(--shadow-sm);
}
.flow-icon{
  width:46px;height:46px;margin:0 auto 10px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),#00B4FF);color:#fff;display:grid;place-items:center;font-size:18px;
}
.flow-node strong{display:block;color:var(--navy);font-size:15.5px}
.flow-sub{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}
.flow-arrow{color:var(--blue);font-size:20px}
.example-path{
  display:inline-flex;align-items:center;gap:9px;background:#EFFADF;border:1px solid #C9F08E;color:#3E7E00;
  padding:9px 16px;border-radius:10px;font-size:14px;font-weight:600;margin-top:10px;
}
.search-mock{
  display:flex;align-items:center;gap:10px;background:#F2F7FC;border:1px solid var(--line);border-radius:12px;
  padding:12px 16px;color:#9AA9BB;font-size:14.5px;margin:16px 0 10px;max-width:420px;
}
.search-mock i{color:var(--blue)}
/* ================= 美化统一（2026-08-27） ================= */
html{-webkit-text-size-adjust:100%}
::selection{background:rgba(0,150,250,.25)}
h2,h3,h4{letter-spacing:.01em}
.section-head h2{font-weight:800}
.card h3,.feature-text h3,.block-title{font-size:18px}
.lead{font-size:15.5px;margin-bottom:26px}
.block-title{margin:32px 0 16px}
.gallery{margin-top:6px}
.card .block-lead{margin:0 0 16px}
.card .path-list{margin-top:4px}
.card .path-list li:last-child{padding-bottom:0}
.flow{margin:0 0 12px}
.flow-card .example-path{margin-top:2px}
.demo-card .shot,.step-body .shot--phone{max-width:280px}
.shot figcaption{line-height:1.5}
.btn:focus-visible,.nav-toggle:focus-visible,.back-top:focus-visible,.lightbox-btn:focus-visible,a:focus-visible,.nav-link:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#B9CFE4;border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--blue)}
::-webkit-scrollbar-track{background:transparent}
.section--tint ::-webkit-scrollbar-thumb{border-color:#fff}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}
/* ================= 语言切换器 ================= */
.lang-switch{position:relative}
.lang-toggle{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px 7px 7px;
  border:1.5px solid #C6D9EE;border-radius:999px;background:#fff;
  color:var(--navy);font-size:14px;font-weight:700;cursor:pointer;font-family:inherit;
  box-shadow:0 2px 8px rgba(6,42,69,.06);
  transition:border-color .2s,box-shadow .2s,transform .15s;
}
.lang-toggle:hover{border-color:var(--blue);box-shadow:0 6px 16px rgba(0,150,250,.18)}
.lang-toggle:active{transform:translateY(1px)}
.lang-toggle .fa-earth-asia{
  width:28px;height:28px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:13px;
  background:linear-gradient(135deg,var(--blue),#00B4FF);color:#fff;
  box-shadow:0 3px 8px rgba(0,150,250,.35);
}
.lang-caret{font-size:10px;color:var(--muted);transition:transform .25s,color .25s}
body.lang-open .lang-caret{transform:rotate(180deg);color:var(--blue)}
.lang-menu{
  position:absolute;top:calc(100% + 12px);inset-inline-end:0;min-width:196px;margin:0;padding:10px;
  background:#fff;border:1.5px solid #C6D9EE;border-radius:16px;
  box-shadow:0 18px 40px rgba(6,42,69,.16);
  opacity:0;visibility:hidden;transform:translateY(8px) scale(.97);transform-origin:top;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  z-index:130;list-style:none;
}
body.lang-open .lang-menu{opacity:1;visibility:visible;transform:none}
.lang-menu::before{
  content:"";position:absolute;top:-7px;inset-inline-end:26px;width:12px;height:12px;
  background:#fff;border-left:1.5px solid #C6D9EE;border-top:1.5px solid #C6D9EE;transform:rotate(45deg);
}
.lang-menu-title{
  display:block;font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);padding:5px 12px 9px;
}
.lang-option{
  display:flex;width:100%;align-items:center;gap:10px;
  padding:9px 10px;border:none;background:none;border-radius:11px;
  font-size:14.5px;color:var(--ink);cursor:pointer;font-family:inherit;text-align:start;
  transition:background .18s,color .18s;
}
.lang-option+.lang-option{margin-top:2px}
.lang-option:hover{background:#EAF5FF}
.lang-badge{
  flex:none;width:34px;height:24px;display:grid;place-items:center;border-radius:7px;
  font-size:11.5px;font-weight:800;letter-spacing:.03em;
  background:#E8F5FF;color:#0059A8;border:1px solid #B7DFFF;
  transition:background .18s,color .18s,box-shadow .18s;
}
.lang-name{flex:1}
.lang-check{color:var(--blue);font-size:13px;opacity:0;transform:scale(.5);transition:opacity .18s,transform .18s}
.lang-option.active{
  background:linear-gradient(135deg,#E8F6FF,#DCF0FF);
  color:var(--blue-dark);font-weight:700;
}
.lang-option.active .lang-badge{
  background:linear-gradient(135deg,var(--blue),#00B4FF);color:#fff;border-color:transparent;
  box-shadow:0 3px 8px rgba(0,150,250,.35);
}
.lang-option.active .lang-check{opacity:1;transform:scale(1)}
@media (max-width:560px){
  .lang-toggle{padding-inline-end:10px;font-size:13px;gap:6px}
  .lang-toggle .fa-earth-asia{width:26px;height:26px;font-size:12px}
}
.nav-wrap{justify-content:flex-start;gap:12px}
.nav-links{margin-inline-start:auto}
@media (max-width:920px){
  .nav-links{margin-inline-start:0}
  .lang-switch{margin-inline-start:auto}
}

/* ================= RTL（阿拉伯语） ================= */
[dir="rtl"] .flow-arrow i{transform:scaleX(-1)}
[dir="rtl"] .stat{border-left:none;border-right:2px solid rgba(255,255,255,.22);padding:2px 0 2px 16px}
[dir="rtl"] .stat:first-child{border-right:none;padding-right:0}
[dir="rtl"] .skip-link{left:auto;right:12px}
[dir="rtl"] .back-top{right:auto;left:26px}
[dir="rtl"] .lightbox-close{right:auto;left:22px}
[dir="rtl"] .lightbox-prev{left:auto;right:22px}
[dir="rtl"] .lightbox-next{right:auto;left:22px}
[dir="rtl"] .shot::after{right:auto;left:10px}
[dir="rtl"] th,[dir="rtl"] td{text-align:right}
[dir="rtl"] .sub-steps{padding-left:0;padding-right:1.5em}
[dir="rtl"] .journey-step::before{left:auto;right:50%;transform:translateX(50%)}
[dir="rtl"] .hero-visual .phone{transform:rotate(-4deg)}
[dir="rtl"] .chip-a{left:auto;right:-7%}
[dir="rtl"] .chip-b{right:auto;left:-5%}
[dir="rtl"] .lightbox-nav i{display:inline-block}
@media (max-width:920px){
  [dir="rtl"] .nav-links{
    right:auto;left:0;transform:translateX(-105%);border-left:none;border-right:1px solid var(--line);
  }
  [dir="rtl"] body.nav-open .nav-links{transform:none}
}
[dir="rtl"] .footer-note i{margin-right:0;margin-left:6px}
[dir="rtl"] .shot:hover{transform:translateY(-4px)}
@media (max-width:560px){
  [dir="rtl"] .back-top{left:16px}
}
/* ================= 多语言文字适配 ================= */
html[lang="en"] body,
html[lang="fr"] body,
html[lang="es"] body{
  font-family:"Segoe UI","Microsoft YaHei","微软雅黑","Helvetica Neue",Arial,sans-serif;
}
html[lang="ar"] body{
  font-family:"Segoe UI","Tahoma","Noto Naskh Arabic","Arial",sans-serif;
  font-size:15.5px;line-height:1.9;
}

/* 非中文：导航更紧凑，避免桌面溢出 */
html[lang="en"] .nav-link,
html[lang="fr"] .nav-link,
html[lang="es"] .nav-link,
html[lang="ar"] .nav-link{
  font-size:13px;padding:8px 9px;gap:6px;white-space:nowrap;
}
html[lang="en"] .nav-link i,
html[lang="fr"] .nav-link i,
html[lang="es"] .nav-link i,
html[lang="ar"] .nav-link i{font-size:11.5px}
html[lang="en"] .brand-text,
html[lang="fr"] .brand-text,
html[lang="es"] .brand-text,
html[lang="ar"] .brand-text{font-size:17px}
html[lang="en"] .lang-toggle,
html[lang="fr"] .lang-toggle,
html[lang="es"] .lang-toggle,
html[lang="ar"] .lang-toggle{font-size:13px;font-weight:600}

/* 非中文：前言六步路径改三列，标题不再挤 */
html[lang="en"] .journey,
html[lang="fr"] .journey,
html[lang="es"] .journey,
html[lang="ar"] .journey{
  grid-template-columns:repeat(3,1fr);
}
html[lang="en"] .journey-step strong,
html[lang="fr"] .journey-step strong,
html[lang="es"] .journey-step strong,
html[lang="ar"] .journey-step strong{font-size:14.5px}

/* 拉丁语言：收敛宽字距 */
html[lang="en"] .kicker,html[lang="fr"] .kicker,html[lang="es"] .kicker{letter-spacing:.14em}
html[lang="en"] th,html[lang="fr"] th,html[lang="es"] th{letter-spacing:.02em}
html[lang="en"] .lang-menu-title,
html[lang="fr"] .lang-menu-title,
html[lang="es"] .lang-menu-title{letter-spacing:.08em}
html[lang="en"] .mini-tag,html[lang="fr"] .mini-tag,html[lang="es"] .mini-tag{letter-spacing:.04em}
html[lang="en"] .brand-text small,
html[lang="fr"] .brand-text small,
html[lang="es"] .brand-text small{letter-spacing:.06em}
html[lang="en"] .stat-num,html[lang="fr"] .stat-num,html[lang="es"] .stat-num{font-variant-numeric:tabular-nums}

/* 阿拉伯语：禁止断开连写，保护混排编号 */
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3,html[lang="ar"] h4,
html[lang="ar"] .kicker,
html[lang="ar"] .mini-tag,
html[lang="ar"] .badge,
html[lang="ar"] th,
html[lang="ar"] .lang-menu-title,
html[lang="ar"] .brand-text small,
html[lang="ar"] .hero-title,
html[lang="ar"] .footer-copy{letter-spacing:0}
html[lang="ar"] .stat-num{font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:embed;display:inline-block}
[dir="rtl"] code,
[dir="rtl"] .badge--lang,
[dir="rtl"] .badge--en,
[dir="rtl"] .badge--fr,
[dir="rtl"] .badge--default,
[dir="rtl"] .badge--ok,
[dir="rtl"] .badge--plan{direction:ltr;unicode-bidi:embed}
[dir="rtl"] .sub-steps li,
[dir="rtl"] .path-list li,
[dir="rtl"] .item-list li div,
[dir="rtl"] .steps-list li div{text-align:right}
[dir="rtl"] .search-mock span{text-align:right}
[dir="rtl"] .lightbox-body figcaption{text-align:center}


/* ================= 小节圆角面板 ================= */
.subpanel{
  background:#fff;border:1.5px solid #C6D9EE;border-radius:20px;
  padding:28px;box-shadow:0 8px 24px rgba(6,42,69,.10);margin-bottom:28px;
}
.subpanel:last-child{margin-bottom:0}
.subpanel-title{display:flex;align-items:center;gap:10px;font-size:18px;color:var(--navy);margin-bottom:10px}
.subpanel-lead{color:var(--muted);font-size:15px;margin-bottom:18px}
.subpanel .path-list{margin-top:2px}
.subpanel .path-list li:last-child{padding-bottom:4px}
.subpanel .example-path{margin-top:14px}
.subpanel .gallery{margin-top:22px}
.subpanel .search-mock{margin:0 0 20px}
.subpanel .table-wrap{margin-top:2px}
.card{border-color:#C6D9EE;box-shadow:0 8px 24px rgba(6,42,69,.09)}
.demo-card,.steps-list li,.journey-step,.step{border-color:#C6D9EE}
/* ================= 图文对照（4.4 已开通课程） ================= */
.feature{
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  background:var(--card);border:1.5px solid #C6D9EE;border-radius:20px;
  padding:26px;box-shadow:0 8px 24px rgba(6,42,69,.09);
}
.feature-text h3{display:flex;align-items:center;gap:10px;font-size:18px;color:var(--navy);margin-bottom:10px}
.feature-text p{color:var(--muted);font-size:15px;margin-bottom:14px}
.feature .shot--phone{width:280px}
@media (max-width:1024px){
  .feature{grid-template-columns:1fr}
  .feature .shot--phone{width:min(280px,70vw);margin:0 auto}
}

/* ================= 面板内子元素底色 ================= */
.subpanel .steps-list li{background:#F7FAFD}
.subpanel .flow-node{background:#F7FAFD}
.subpanel .path-list li+li{border-top-color:#E3EDF7}




/* ================= 反馈步骤 ================= */
.steps-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.steps-list li{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:15px 18px;box-shadow:var(--shadow-sm)}
.step-dot{width:38px;height:38px;flex:none;border-radius:50%;background:var(--navy);color:var(--green);display:grid;place-items:center;font-size:15px}
.steps-list strong{display:block;color:var(--navy);font-size:15px}
.steps-list li div>span{font-size:13px;color:var(--muted)}

/* ================= 账号申请 ================= */
.item-list li{display:flex;align-items:center;gap:13px;padding:13px 0}
.item-list li+li{border-top:1px dashed var(--line)}
.item-list strong{display:block;color:var(--navy);font-size:15px}
.item-list li div>span{font-size:13px;color:var(--muted)}
.item-list .path-icon{width:36px;height:36px}

/* ================= 页脚 ================= */
.site-footer{background:var(--navy);color:#B8CCDD;padding:52px 0 30px}
.footer-inner{display:flex;flex-direction:column;gap:18px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand strong{color:#fff;font-size:17px}
.footer-sub{display:block;font-size:12.5px;color:#7E97AE}
.footer-nav{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px}
.footer-nav a{color:#B8CCDD}
.footer-nav a:hover{color:var(--green)}
.footer-note{font-size:13px;color:#7E97AE}
.footer-note i{color:var(--blue);margin-right:6px}
.footer-copy{font-size:12.5px;color:#5F7891;border-top:1px solid rgba(255,255,255,.10);padding-top:18px}

/* ================= 回到顶部 ================= */
.back-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:14px;border:none;
  background:var(--blue);color:#fff;font-size:17px;cursor:pointer;
  box-shadow:0 12px 28px rgba(0,150,250,.40);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s;z-index:90;
}
.back-top.visible{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:var(--blue-dark)}

/* ================= 灯箱 ================= */
.lightbox{
  position:fixed;inset:0;background:rgba(4,20,36,.92);z-index:200;
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  opacity:0;visibility:hidden;transition:opacity .25s;
}
.lightbox.open{opacity:1;visibility:visible}
.lightbox-body{max-width:min(92vw,480px);text-align:center;padding:0 8px}
.lightbox-body img{max-height:78vh;max-width:100%;border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox-body figcaption{color:#C9DEF0;font-size:14px;margin-top:12px}
.lightbox-btn{
  position:absolute;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.10);color:#fff;font-size:17px;cursor:pointer;transition:background .2s;
}
.lightbox-btn:hover{background:rgba(255,255,255,.22)}
.lightbox-close{top:22px;right:22px}
.lightbox-nav{top:50%;transform:translateY(-50%)}
.lightbox-prev{left:22px}
.lightbox-next{right:22px}

/* ================= 响应式 ================= */
@media (max-width:1024px){
  .grid-3{grid-template-columns:1fr 1fr}
  .journey{grid-template-columns:repeat(3,1fr)}
  .hero-inner{grid-template-columns:1fr}
  .hero-visual{display:none}
  .hero{padding:132px 0 72px}
  .gallery--3{grid-template-columns:repeat(2,minmax(0,300px))}
}
@media (max-width:920px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:68px;right:0;width:min(320px,84vw);height:calc(100vh - 68px);
    background:#fff;flex-direction:column;align-items:stretch;padding:14px;gap:6px;
    box-shadow:-12px 0 40px rgba(6,42,69,.16);transform:translateX(105%);
    transition:transform .3s ease;border-left:1px solid var(--line);overflow-y:auto;
  }
  body.nav-open .nav-links{transform:none}
  .nav-link{padding:13px 16px;font-size:15.5px;border-radius:12px}
}
@media (max-width:760px){
  .grid-2,.grid-3{grid-template-columns:1fr}
  .gallery--2,.gallery--3{grid-template-columns:minmax(0,300px);justify-content:center}
  .shot--phone{max-width:300px}
  .steps-list{grid-template-columns:1fr}
  .step{flex-direction:column;gap:14px}
  .step .gallery--2{justify-content:center}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .section-head.center .sec-icon{display:none}
  .flow-node{min-width:100%}
  .flow-arrow{transform:rotate(90deg);align-self:center}
  .lightbox-prev{left:8px}
  .lightbox-next{right:8px}
}
@media (max-width:560px){
  .journey{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .stat:nth-child(odd){border-left:none;padding-left:0}
  .hero-cta .btn{flex:1;justify-content:center}
  .back-top{right:16px;bottom:16px}
}

/* ================= 手机端表格卡片化 + 防横向溢出 ================= */
html,body{overflow-x:clip}
@media (max-width:560px){
  .table-wrap{overflow-x:visible;background:transparent;border:none;box-shadow:none;padding:0}
  .table-wrap table{display:block;min-width:0;width:100%}
  .table-wrap thead{display:none}
  .table-wrap tbody{display:block}
  .table-wrap tbody tr{
    display:block;background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:4px 14px;margin:0 0 10px;box-shadow:var(--shadow-sm);
  }
  .table-wrap tbody tr:nth-child(even){background:#fff}
  .table-wrap tbody tr:hover{background:#fff}
  .table-wrap td{
    display:flex;justify-content:space-between;align-items:center;gap:14px;
    padding:8px 0;border-top:none;
  }
  .table-wrap td + td{border-top:1px dashed var(--line)}
  .table-wrap td::before{
    content:attr(data-label);flex:none;font-size:13px;font-weight:700;color:var(--muted);
  }
}