/* =====================================================================
   FlowGlot · 第二部分：通用组件 + 登录注册 + 功能页 + 下载页 + 文档 + 控制台
   （接在 style.css 之后加载）
   ===================================================================== */

/* ---------- 通用小组件 ---------- */
.btn--sm{height:32px;padding:0 12px;font-size:13px;border-radius:9px}
.link{color:var(--brand);font-weight:600;background:none;border:0;cursor:pointer;padding:0;font-size:inherit}
.link:hover{text-decoration:underline}
.muted{color:var(--text-3)}
.empty{text-align:center;color:var(--text-3);padding:26px 0;font-size:14px}
.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--bg-soft);color:var(--text-2);border:1px solid var(--line)}
.pill--on{background:rgba(0,211,184,.12);color:#0a9c86;border-color:rgba(0,211,184,.3)}
.pill--off{background:rgba(138,148,171,.14);color:var(--text-3)}
.pill--ai{background:rgba(122,92,255,.12);color:var(--violet);border-color:rgba(122,92,255,.28)}
.pill--warn{background:rgba(255,176,32,.14);color:#b87700;border-color:rgba(255,176,32,.3)}
.pill--risk,.pill--wait{background:rgba(255,86,86,.12);color:#d94848;border-color:rgba(255,86,86,.26)}
.pill--run{background:rgba(47,107,255,.12);color:var(--brand);border-color:rgba(47,107,255,.28)}
.pill--done{background:rgba(0,211,184,.12);color:#0a9c86;border-color:rgba(0,211,184,.3)}
.pill--invited{background:rgba(255,176,32,.14);color:#b87700;border-color:rgba(255,176,32,.3)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--text-3);flex:none}
.dot--on{background:var(--brand-2);box-shadow:0 0 0 3px rgba(0,211,184,.16)}
.dot--off{background:#c3cad8}
.dot--invited{background:#ffb020}
.dot--risk{background:#ff5656;box-shadow:0 0 0 3px rgba(255,86,86,.16)}
.icon-btn{border:1px solid var(--line);background:#fff;border-radius:9px;min-width:34px;height:34px;padding:0 8px;cursor:pointer;
  color:var(--text-2);font-size:14px;transition:.18s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.av--1{background:#25d366}.av--2{background:#2f6bff}.av--3{background:#7a5cff}.av--4{background:#00b8a9}
.unread{background:var(--brand);color:#fff;font-style:normal;font-size:11px;font-weight:700;min-width:18px;height:18px;
  border-radius:9px;display:inline-grid;place-items:center;padding:0 5px}
.doc-ic{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:var(--bg-soft);flex:none;font-size:15px}
.code,.hash code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;color:var(--text-2)}
.more-q{text-align:center;margin-top:26px;color:var(--text-3);font-size:14px}

/* Toast */
.toast-box{position:fixed;left:50%;bottom:36px;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{background:#101a30;color:#fff;padding:11px 20px;border-radius:12px;font-size:13.5px;box-shadow:0 14px 34px rgba(11,18,32,.28);
  opacity:0;transform:translateY(10px);transition:.3s}
.toast.is-in{opacity:1;transform:none}
.toast--ok{background:#0c8f7c}
.toast--err{background:#d94848}

/* 表单 */
.form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field__label{font-size:13px;font-weight:600;color:var(--text-2)}
.field input,.field select,.field textarea,.search input,.doc-search input{
  width:100%;height:42px;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:#fff;
  font-size:14px;color:var(--text);font-family:inherit;transition:.18s}
.field textarea{height:auto;padding:11px 13px;line-height:1.6;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus,.search input:focus,.doc-search input:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,107,255,.12)}
.field__wrap{position:relative;display:block}
.field__wrap input{padding-right:44px}
.field__eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:none;cursor:pointer;font-size:15px;opacity:.65}
.field__err{font-style:normal;font-size:12.5px;color:#d94848;display:none}
.field.has-err input,.field.has-err select{border-color:#ff8b8b;background:#fff7f7}
.field.has-err + .field__err,.field__err:not(:empty){display:block}
.field__row,.field-row{display:flex;align-items:center;justify-content:space-between;gap:14px}
.field-row{align-items:flex-start}
.field-row .field{flex:1}
.form__foot{display:flex;justify-content:flex-end;gap:12px;margin-top:4px}
.check{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2);cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--brand)}
.check--terms{margin-top:2px}
.inline-note{display:flex;align-items:center;gap:10px;height:42px}

/* 开关 */
.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--text-2)}
.switch input{display:none}
.switch>span{width:38px;height:22px;border-radius:999px;background:#d8dde8;position:relative;transition:.22s;flex:none}
.switch>span::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.22s;box-shadow:0 2px 5px rgba(0,0,0,.18)}
.switch input:checked+span{background:linear-gradient(120deg,var(--brand),#5b4bff)}
.switch input:checked+span::after{transform:translateX(16px)}
.switch em{font-style:normal}
.switch--row{justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);width:100%}
.switch--row:last-child{border-bottom:0}
.switches{display:flex;flex-direction:column;margin-bottom:18px}

/* 分段控件 / 筛选 */
.seg{display:inline-flex;padding:4px;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;gap:4px}
.seg button{border:0;background:transparent;padding:5px 12px;border-radius:7px;font-size:12.5px;font-weight:600;color:var(--text-2);cursor:pointer}
.seg button.is-on{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(19,28,46,.08)}

/* 列表行 / 卡片列表 */
.lrow{display:flex;align-items:center;gap:12px;padding:12px;border-radius:12px;transition:.18s;border:1px solid transparent}
a.lrow:hover{background:var(--bg-soft);border-color:var(--line)}
.lrow--static{border:1px solid var(--line)}
.lrow--static:hover{box-shadow:var(--shadow)}
.lrow__main{flex:1;min-width:0}
.lrow__main b{display:block;font-size:14px}
.lrow__main small{display:block;font-size:12.5px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cell-user{display:flex;align-items:center;gap:10px}
.cell-user .av{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;font-size:12px;font-weight:700}

/* 表格 */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{text-align:left;font-weight:600;color:var(--text-3);font-size:12.5px;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:12px;border-bottom:1px solid #f1f4fa;vertical-align:middle}
.table tbody tr:hover{background:var(--bg-soft)}
.table--tight td,.table--tight th{padding:9px 10px}
.table-foot{display:flex;align-items:center;justify-content:space-between;padding-top:16px;font-size:13px;color:var(--text-3)}
.pager{display:flex;gap:6px}
.pager button{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:9px;cursor:pointer;font-size:13px;color:var(--text-2)}
.pager button.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.row-act{display:flex;gap:8px;justify-content:flex-end}

/* 条形图 */
.bars{display:flex;flex-direction:column;gap:12px}
.bar{display:grid;grid-template-columns:96px 1fr 46px;align-items:center;gap:12px;font-size:13px}
.bar__n{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar__track{height:8px;border-radius:6px;background:#eef1f7;overflow:hidden;display:block}
.bar__track>i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--brand),#5b4bff)}
.bar__v{text-align:right;color:var(--text-3);font-size:12.5px}

/* 图表 */
.chart{width:100%;height:260px}
.chart__svg{width:100%;height:100%}
.chart .ax{font-size:10.5px;fill:#98a2b6}
.legend{display:flex;gap:20px;margin-top:6px;font-size:12.5px;color:var(--text-3)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:10px;height:3px;border-radius:2px}
.spark{color:var(--brand)}
.kpi:nth-child(2) .spark{color:var(--violet)}
.kpi:nth-child(3) .spark{color:var(--brand-2)}
.kpi:nth-child(4) .spark{color:#ff9f43}

/* 环形进度 */
.ring{position:relative;width:170px;height:170px;margin:10px auto 6px}
.ring__svg{width:100%;height:100%}
.ring__center{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring__center b{display:block;font-size:26px;font-weight:700}
.ring__center small{font-size:12px;color:var(--text-3)}
.ring__nums{display:flex;justify-content:center;gap:26px;margin-top:8px}
.ring__nums span{display:flex;flex-direction:column;align-items:center}
.ring__nums b{font-size:17px}
.ring__nums em{font-style:normal;font-size:11.5px;color:var(--text-3)}

/* 时间线 */
.timeline{position:relative;padding-left:18px}
.tl-item{position:relative;padding:0 0 20px 16px;border-left:2px solid var(--line)}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-6px;top:4px;width:10px;height:10px;border-radius:50%;background:#d8dde8;border:2px solid #fff}
.tl-item.is-now .tl-dot{background:var(--brand);box-shadow:0 0 0 4px rgba(47,107,255,.15)}
.tl-item b{font-size:14px}
.tl-item small{font-size:12px;color:var(--text-3);margin-left:8px}
.tl-item p{margin-top:5px;font-size:13px;color:var(--text-2)}

/* 知识库列表（多租户：每租户多个库） */
.kb-libs{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.kb-lib{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid var(--line);border-radius:12px;
  background:#fff;text-align:left;transition:.18s;cursor:pointer;width:100%}
.kb-lib:hover{border-color:rgba(47,107,255,.4);background:var(--bg-soft)}
.kb-lib.is-on{border-color:var(--brand);background:rgba(47,107,255,.06);box-shadow:0 6px 18px rgba(47,107,255,.1)}
.kb-lib__ic{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;font-size:15px;
  background:var(--bg-soft);flex:none}
.kb-lib.is-on .kb-lib__ic{background:#fff}
.kb-lib__main{flex:1;min-width:0}
.kb-lib__main b{display:flex;align-items:center;gap:8px;font-size:13.5px}
.kb-lib__main b .pill{font-size:10.5px;font-weight:600;padding:2px 7px}
.kb-lib__main small{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.kb-lib__badge{font-size:11px;color:var(--brand);font-weight:700;flex:none}

/* 知识库实时状态卡 */
.kb-live{border:1px solid rgba(122,92,255,.24);background:linear-gradient(180deg,rgba(122,92,255,.06),rgba(122,92,255,.01));
  border-radius:14px;padding:14px}
.kb-live--flat{margin-bottom:16px}
.kb-live__head{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.kb-live__head b{font-size:13.5px}
.kb-live__head .pill{margin-left:auto}
.kb-live__nums{display:flex;gap:30px;flex-wrap:wrap}
.kb-live__nums div{display:flex;flex-direction:column}
.kb-live__nums b{font-size:20px;font-weight:700;letter-spacing:-.02em}
.kb-live__nums span{font-size:11.5px;color:var(--text-3)}
.kb-live__note{margin-top:12px;font-size:12px;color:var(--text-3);line-height:1.6}
.kb-live[data-live="1"]{border-color:rgba(0,211,184,.35);background:linear-gradient(180deg,rgba(0,211,184,.07),rgba(0,211,184,.01))}

/* 语义检索测试 */
.kb-probe{border:1px dashed var(--line);border-radius:14px;padding:14px;min-height:96px}
.kb-probe__head{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2);margin-bottom:10px}
.kb-probe__row{display:flex;align-items:flex-start;gap:10px;padding:9px 0;border-top:1px solid #f1f4fa}
.kb-probe__rank{width:20px;height:20px;border-radius:7px;background:var(--bg-soft);color:var(--text-3);
  font-size:11px;font-weight:700;display:grid;place-items:center;flex:none;margin-top:2px}
.kb-probe__row div{flex:1;min-width:0}
.kb-probe__row b{display:block;font-size:13px}
.kb-probe__row small{display:block;font-size:12px;color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kb-probe__row em{font-style:normal;font-size:12px;color:var(--violet);font-weight:600}

/* 提示条 */
.doc-tip{margin-top:18px;background:rgba(47,107,255,.06);border:1px solid rgba(47,107,255,.2);border-radius:12px;
  padding:13px 16px;font-size:13.5px;color:var(--text-2)}

/* 勾选列表 */
.ticks{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:11px}
.ticks li{position:relative;padding-left:28px;font-size:14.5px;color:var(--text-2)}
.ticks li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;
  background:rgba(0,211,184,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a9c86' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:150;display:none}
.modal.is-on{display:block}
.modal__mask{position:absolute;inset:0;background:rgba(11,18,32,.46);backdrop-filter:blur(2px)}
.modal__box{position:relative;width:min(460px,92vw);margin:12vh auto 0;background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden}
.modal__head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
.modal__head h3{font-size:17px}
.modal__body{padding:22px}

/* =====================================================================
   页面头（功能页 / 下载页 / 帮助中心）
   ===================================================================== */
.page-hero{padding:calc(var(--nav-h) + 76px) 0 44px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(680px 360px at 20% 10%,rgba(47,107,255,.14),transparent 62%),
             radial-gradient(600px 340px at 82% 16%,rgba(122,92,255,.12),transparent 62%)}
.page-hero--tight{padding-bottom:40px}
.page-hero h1{font-size:clamp(30px,4.2vw,48px);font-weight:700;margin:20px 0 16px}
.page-hero p{color:var(--text-2);font-size:16.5px;max-width:640px;margin:0 auto}
.page-hero__cta{display:flex;justify-content:center;gap:14px;margin-top:30px;flex-wrap:wrap}
.page-hero__meta{display:flex;justify-content:center;gap:26px;flex-wrap:wrap;margin-top:38px;
  padding-top:26px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--text-2)}
.page-hero__meta b{color:var(--text);font-weight:600}
.nav__links a.is-on{color:var(--text);font-weight:600}
.nav__links a.is-on::after{width:100%}

/* 功能页 */
.split-sect{padding:84px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--rev .split__text{order:2}
.split--rev .split__media{order:1}
.split__text h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:14px 0 14px}
.split__text>p:not(.section__label){color:var(--text-2);font-size:15px}
.shot{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden}
.shot__bar{display:flex;align-items:center;gap:6px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.shot__bar i{width:10px;height:10px;border-radius:50%;background:#dfe4ee}
.shot__title{margin-left:10px;font-size:12.5px;color:var(--text-3);font-weight:600}
.shot__body{padding:18px;display:flex;flex-direction:column;gap:11px}
.env-row{display:grid;grid-template-columns:64px 1.4fr .9fr 1.3fr;align-items:center;gap:10px;font-size:13px;
  padding:11px 13px;border:1px solid var(--line);border-radius:12px}
.env-row small{color:var(--text-3)}
.env-tag{font-family:ui-monospace,Consolas,monospace;font-size:11.5px;color:var(--text-3);text-align:right}
.env-note,.terms{margin-top:4px;background:var(--bg-soft);border-radius:10px;padding:10px 13px;font-size:12.5px;color:var(--text-3)}
.kb-row{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid var(--line);border-radius:12px;font-size:13.5px}
.kb-row b{flex:1}
.kb-hits{font-size:12px;color:var(--violet);background:rgba(122,92,255,.1);padding:3px 9px;border-radius:999px}
.kb-row--3 b{flex:0 0 auto;min-width:96px}
.ev-row{display:flex;gap:8px;flex-wrap:wrap}
.task{display:flex;flex-direction:column;gap:8px;padding:13px;border:1px solid var(--line);border-radius:12px}
.task__head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px}
.task__foot{display:flex;justify-content:space-between;font-size:12px;color:var(--text-3)}

.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:20px}
.flow__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center}
.flow__no{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--violet));margin-bottom:14px}
.flow__item h3{font-size:17px;margin-bottom:9px}
.flow__item p{font-size:14px;color:var(--text-2)}
.flow__line{width:36px;height:2px;background:linear-gradient(90deg,var(--brand),var(--violet));opacity:.35}
.int-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.int-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:5px;transition:.22s}
.int-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(47,107,255,.3)}
.int-card b{font-size:15.5px}
.int-card small{font-size:12.5px;color:var(--text-3)}

/* 下载页 */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
.hash code{word-break:break-all;white-space:normal}
.dl-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;transition:.25s}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.dl-card--hot{border-color:rgba(47,107,255,.4);box-shadow:0 16px 44px rgba(47,107,255,.16)}
.dl-card--alt{background:var(--bg-soft)}
.dl-tag{position:absolute;top:-11px;left:26px;background:linear-gradient(120deg,var(--brand),#5b4bff);color:#fff;font-size:11.5px;font-weight:700;padding:3px 11px;border-radius:999px}
.dl-card__head{display:flex;align-items:center;gap:13px;margin-bottom:18px}
.dl-card__head h3{font-size:18px}
.dl-card__head p{font-size:12.5px;color:var(--text-3)}
.dl-ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;background:var(--bg-soft)}
.dl-ic--win{background:rgba(0,120,212,.1)}
.dl-ic--mac{background:rgba(41,41,48,.08)}
.tick-list{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.tick-list li{position:relative;padding-left:24px;font-size:13.5px;color:var(--text-2)}
.tick-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand-2);font-weight:700}
.hash{margin-top:16px;background:var(--bg-soft);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:4px}
.hash span{font-size:11px;color:var(--text-3);font-weight:600}

/* 帮助中心 */
.doc-search{max-width:520px;margin:28px auto 0;position:relative}
.doc-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.6}
.doc-search input{height:48px;padding-left:40px;border-radius:999px;box-shadow:var(--shadow)}
.doc-layout{display:grid;grid-template-columns:210px 1fr;gap:48px;align-items:start}
.doc-nav{position:sticky;top:calc(var(--nav-h) + 24px);display:flex;flex-direction:column;gap:3px}
.doc-nav__title{font-size:12px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:8px}
.doc-nav>a{font-size:14px;color:var(--text-2);padding:8px 12px;border-radius:9px;transition:.18s}
.doc-nav>a:hover{background:var(--bg-soft);color:var(--text)}
.doc-nav>a.is-on{background:rgba(47,107,255,.1);color:var(--brand);font-weight:600}
.doc-nav__help{margin-top:20px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;gap:11px}
.doc-nav__help b{font-size:13.5px}
.doc-article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;margin-bottom:22px}
.doc-article h2{font-size:22px;margin-bottom:14px}
.doc-article h3{font-size:16px;margin:24px 0 8px}
.doc-article>p{color:var(--text-2);font-size:14.5px}
.doc-ol{list-style:none;counter-reset:s;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:14px}
.doc-ol li{counter-increment:s;position:relative;padding-left:42px}
.doc-ol li::before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;font-size:13px;font-weight:700}
.doc-ol b{display:block;font-size:14.5px}
.doc-ol span{font-size:13.5px;color:var(--text-2)}

/* =====================================================================
   登录 / 注册
   ===================================================================== */
.page-auth{min-height:100vh;background:var(--bg-soft);display:flex;flex-direction:column}
.auth__bar{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;padding:0 28px;
  background:#fff;border-bottom:1px solid var(--line)}
.auth__bar-right{display:flex;align-items:center;gap:12px}
.auth{flex:1;display:grid;grid-template-columns:1.05fr .95fr;gap:0;align-items:center;max-width:1280px;margin:0 auto;padding:48px 24px}
.auth__aside{padding:8px 48px 8px 8px}
.auth__aside-title{font-size:clamp(24px,2.7vw,34px);font-weight:700;line-height:1.3}
.auth__aside-desc{margin-top:16px;color:var(--text-2);font-size:15px}
.auth__points{list-style:none;padding:0;margin:34px 0 0;display:flex;flex-direction:column;gap:18px}
.auth__points li{display:flex;gap:14px;align-items:flex-start}
.auth__points li>span{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);flex:none}
.auth__points b{display:block;font-size:15px}
.auth__points small{color:var(--text-3);font-size:13px}
.auth__stat{display:flex;gap:40px;margin-top:40px;padding-top:26px;border-top:1px dashed var(--line)}
.auth__stat b{display:block;font-size:24px;font-weight:700}
.auth__stat span{font-size:12.5px;color:var(--text-3)}
.auth__steps{list-style:none;counter-reset:s;padding:0;margin:34px 0 0;display:flex;flex-direction:column;gap:16px}
.auth__steps li{display:flex;gap:14px;align-items:center;opacity:.5;transition:.25s}
.auth__steps li.is-on{opacity:1}
.auth__steps li>span{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:13px;font-weight:700;
  background:#fff;border:1px solid var(--line);color:var(--text-3);flex:none}
.auth__steps li.is-on>span{background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;border-color:transparent}
.auth__steps b{display:block;font-size:15px}
.auth__steps small{color:var(--text-3);font-size:12.5px}
.auth__aside-foot{display:flex;gap:18px;margin-top:38px;padding-top:22px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--text-3)}
.auth__panel{display:flex;justify-content:center}
.auth__card{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 32px;box-shadow:var(--shadow-lg)}
.auth__card--wide{max-width:520px}
.auth__card h2{font-size:23px}
.auth__card-sub{margin-top:8px;font-size:14px;color:var(--text-3)}
.auth__card .field{margin-top:16px}
.auth__card .btn--primary{margin-top:22px}
.auth__hint{margin-top:14px;font-size:12.5px;color:var(--text-3);text-align:center}
.auth__gift{display:flex;align-items:center;gap:9px;padding:11px 14px;border-radius:12px;margin-bottom:20px;
  background:linear-gradient(120deg,rgba(47,107,255,.1),rgba(91,75,255,.1));
  border:1px solid rgba(47,107,255,.24);color:var(--text-2);font-size:13px;font-weight:600;line-height:1.45}
.auth__gift-ic{font-size:15px;flex:none}
/* 标题断行平衡：避免中文标题末行出现孤字 */
.auth__aside-title,.page-hero h1,.section__head h2,.doc-article h2{text-wrap:balance}
/* 注册表单更紧凑，让 CTA 尽量落在首屏 */
#regForm .field{margin-bottom:13px}
#regForm .field__rule{margin-top:4px}
.auth__switch{margin-top:22px;text-align:center;font-size:13.5px;color:var(--text-3)}
.auth__switch--top{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
.oauth{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.oauth__btn{height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:13.5px;font-weight:600;
  cursor:pointer;color:var(--text-2);transition:.18s}
.oauth__btn:hover{border-color:var(--text-3);color:var(--text)}
.divider{display:flex;align-items:center;gap:14px;margin:22px 0;color:var(--text-3);font-size:12px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.pwd-meter{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-top:2px}
.pwd-meter i{height:4px;border-radius:3px;background:#e8ecf5;transition:.25s}
.pwd-meter[data-level="1"] i:nth-child(1){background:#ff5656}
.pwd-meter[data-level="2"] i:nth-child(-n+2){background:#ffb020}
.pwd-meter[data-level="3"] i:nth-child(-n+3){background:#2f6bff}
.pwd-meter[data-level="4"] i{background:#00d3b8}
.pwd-text{font-size:12px;color:var(--text-3)}
.choice-row{display:flex;gap:10px;flex-wrap:wrap}
.choice input{display:none}
.choice span{display:inline-flex;align-items:center;gap:4px;padding:8px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:13px;cursor:pointer;color:var(--text-2);transition:.18s;background:#fff}
.choice em{font-style:normal;color:var(--text-3)}
.choice input:checked+span{border-color:var(--brand);background:rgba(47,107,255,.07);color:var(--brand)}
.chip-row{display:flex;gap:9px;flex-wrap:wrap}
.chip{padding:7px 13px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--line);font-size:13px;color:var(--text-2)}
.chip-check input{display:none}
.chip-check span{display:inline-block;padding:7px 14px;border:1px solid var(--line);border-radius:999px;font-size:13px;cursor:pointer;transition:.18s}
.chip-check input:checked+span{border-color:var(--brand);background:rgba(47,107,255,.08);color:var(--brand);font-weight:600}
.wizard__bar{display:flex;gap:8px;margin-bottom:26px}
.wizard__bar li{flex:1;display:flex;flex-direction:column;gap:7px;align-items:center;font-size:12px;color:var(--text-3);position:relative}
.wizard__bar li i{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-weight:700;
  background:var(--bg-soft);color:var(--text-3);border:1px solid var(--line);transition:.25s}
.wizard__bar li.is-on{color:var(--brand);font-weight:600}
.wizard__bar li.is-on i{background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;border-color:transparent}
.wizard__bar li.done i{background:rgba(0,211,184,.16);color:#0a9c86;border-color:rgba(0,211,184,.35)}
.wizard__bar li::after{content:"";position:absolute;top:14px;left:calc(50% + 20px);right:calc(-50% + 20px);height:2px;background:var(--line);z-index:-1}
.wizard__bar li:last-child::after{display:none}
.wizard__step{display:none;animation:fadeUp .32s ease}
.wizard__step.is-on{display:block}
.wizard__nav{display:flex;justify-content:space-between;align-items:center;margin-top:24px}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.done{text-align:center}
.done__icon{width:62px;height:62px;border-radius:50%;margin:6px auto 18px;display:grid;place-items:center;font-size:30px;color:#fff;
  background:linear-gradient(135deg,#00d3b8,#2f6bff);box-shadow:0 12px 30px rgba(0,211,184,.3)}
.done__box{display:flex;justify-content:center;gap:34px;margin:24px 0;padding:16px;background:var(--bg-soft);border-radius:14px}
.done__box div{display:flex;flex-direction:column;gap:3px}
.done__box span{font-size:12px;color:var(--text-3)}
.done__box b{font-size:16px}
.done__next{text-align:left;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.done__next h4{font-size:14px;margin-bottom:10px}
.done__next ol{margin:0;padding-left:20px;color:var(--text-2);font-size:13.5px;display:flex;flex-direction:column;gap:6px}
.done__btns{display:flex;gap:12px;justify-content:center;margin-top:24px;flex-wrap:wrap}

/* =====================================================================
   管理控制台
   ===================================================================== */
.page-console{background:#f4f6fb}
.console{display:grid;grid-template-columns:246px 1fr;min-height:100vh}
/* 2026-10-24 P3 调性收敛: 侧栏深色→浅色（bigmodel 风: 白底黑字, 只留品牌蓝做强调） */
.side{background:#fff;color:var(--text-2);padding:20px 16px;display:flex;flex-direction:column;gap:18px;
  position:sticky;top:0;height:100vh;overflow-y:auto;border-right:1px solid var(--line)}
.side__brand{display:flex;align-items:center;gap:10px;padding:0 6px}
.side__brand .brand__name{color:var(--text);font-size:15px}
.side__brand .brand__name em{color:var(--text-3)}
.side__team{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:12px}
.side__team-row{display:flex;align-items:center;gap:10px}
.side__team-logo{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--violet))}
.side__team-row b{display:block;color:var(--text);font-size:13.5px}
.side__team-row small{font-size:11.5px;color:var(--text-3)}
.side__switch{margin-left:auto;border:1px solid var(--line);background:#fff;color:var(--text-2);border-radius:8px;width:26px;height:26px;cursor:pointer}
.side__ports{margin-top:12px}
.side__ports-bar{height:6px;border-radius:5px;background:var(--line);overflow:hidden}
.side__ports-bar i{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.side__ports span{display:block;margin-top:7px;font-size:11.5px;color:var(--text-3)}
.side__ports em{font-style:normal}
.side__nav{display:flex;flex-direction:column;gap:2px;flex:1}
.side__group{font-size:11px;letter-spacing:.1em;color:var(--text-3);margin:14px 0 6px;padding:0 8px}
.side__nav a{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;font-size:13.5px;transition:.18s}
.side__nav a i{font-style:normal;font-size:15px;width:18px;text-align:center}
.side__nav a:hover{background:var(--bg-soft);color:var(--text)}
.side__nav a.is-on{background:rgba(47,107,255,.10);color:var(--brand);font-weight:600}
.dot-live{margin-left:auto;font-style:normal;background:var(--brand);color:#fff;font-size:11px;font-weight:700;
  min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 5px}
.side__foot{border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:4px}
.side__link{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;font-size:13px;color:var(--text-2);
  background:none;border:0;cursor:pointer;text-align:left;width:100%;transition:.18s}
.side__link i{font-style:normal;width:18px;text-align:center}
.side__link:hover{background:var(--bg-soft);color:var(--text)}
.side__link--danger:hover{background:rgba(255,86,86,.10);color:#e04848}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:14px 26px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar__menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:38px;height:38px;cursor:pointer}
.topbar__title h1{font-size:19px}
.topbar__title p{font-size:12.5px;color:var(--text-3)}
.topbar__tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.demo-badge{padding:4px 10px;border-radius:999px;font-size:11.5px;font-weight:700;color:#b87700;background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.3)}
.search{position:relative}
.search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:12.5px;opacity:.55}
.search input{height:38px;padding-left:34px;width:230px;border-radius:10px;background:#fff;font-size:13px}
.search--sm input{height:34px;width:190px}
.topbar__user{display:flex;align-items:center;gap:9px}
.topbar__avatar{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;
  background:linear-gradient(135deg,var(--brand),var(--violet))}
.topbar__user b{display:block;font-size:13px}
.topbar__user small{font-size:11.5px;color:var(--text-3)}

.panels{padding:24px 26px 40px}
.panel{display:none;animation:fadeUp .3s ease}
.panel.is-on{display:block}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:20px}
.card--center{text-align:center}
.card--center h3{font-size:16px}
.card__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}
.card__head h3{font-size:16px}
.card__head p{font-size:12.5px;color:var(--text-3);margin-top:3px}
.card__head--mt{margin-top:26px}
.card__tools{display:flex;gap:10px;align-items:center}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.grid-usage{display:grid;grid-template-columns:340px 1fr;gap:20px;align-items:start}
.grid-bc{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:start}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:20px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.kpi__top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3)}
.kpi__v{display:block;font-size:28px;font-weight:700;letter-spacing:-.03em;margin:8px 0 4px}
.kpi small{font-size:12px;color:var(--text-3)}

/* 会话工作台 */
.chat{display:grid;grid-template-columns:300px 1fr;gap:20px;height:calc(100vh - 150px);min-height:560px}
.chat__list,.chat__main{background:#fff;border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;overflow:hidden}
.chat__filters{display:flex;gap:8px;padding:14px;border-bottom:1px solid var(--line)}
.pill{cursor:pointer;border:1px solid var(--line);background:#fff}
.pill.is-on{background:rgba(47,107,255,.1);color:var(--brand);border-color:rgba(47,107,255,.3)}
#convList{flex:1;overflow-y:auto;padding:8px}
.conv{display:flex;align-items:center;gap:10px;width:100%;padding:11px;border-radius:12px;border:0;background:none;cursor:pointer;text-align:left;transition:.16s}
.conv:hover{background:var(--bg-soft)}
.conv.is-on{background:rgba(47,107,255,.08)}
.conv__main{flex:1;min-width:0}
.conv__main b{display:block;font-size:13.5px}
.conv__main small{display:block;font-size:12px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv__side{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.chat__head{display:flex;align-items:center;gap:11px;padding:14px 18px;border-bottom:1px solid var(--line)}
.chat__who b{display:block;font-size:14.5px}
.chat__who small{font-size:12px;color:var(--text-3)}
.chat__tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.chat__tools .icon-btn{height:30px;min-width:auto;font-size:12px}
.chat__body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px;background:var(--bg-soft)}
.chat__body .msg{max-width:70%;border-radius:14px;padding:10px 13px;font-size:13.5px;background:#fff;box-shadow:0 2px 8px rgba(19,28,46,.05)}
.chat__body .msg--in{align-self:flex-start;border-bottom-left-radius:4px}
.chat__body .msg--out{align-self:flex-end;background:linear-gradient(120deg,var(--brand),#5b4bff);color:#fff;border-bottom-right-radius:4px}
.chat__body .msg p{margin:0}
.chat__body .msg--in .trans{color:var(--text-3);border-top:1px dashed rgba(0,0,0,.1);margin-top:6px;padding-top:6px;display:block;font-size:12.5px}
.chat__body .msg--out .trans{color:rgba(255,255,255,.82);border-top:1px dashed rgba(255,255,255,.3)}
.msg__ai{display:block;font-size:11px;opacity:.8;margin-bottom:4px}
.msg__voice{display:block;margin-top:5px;font-size:11.5px;opacity:.85}
.chat__compose{border-top:1px solid var(--line);padding:14px 18px}
.chat__ai{border:1px solid rgba(122,92,255,.28);background:linear-gradient(180deg,rgba(122,92,255,.07),rgba(122,92,255,.02));
  border-radius:12px;padding:12px;margin-bottom:12px;font-size:13px}
.chat__ai-head{display:flex;align-items:center;gap:8px;margin-bottom:7px}
.chat__ai-head b{font-size:12.5px}
.chat__ai-head .link{margin-left:auto;font-size:12px}
.chat__ai-foot{display:flex;align-items:center;gap:10px;margin-top:9px;font-size:11.5px;color:var(--text-3)}
.chat__ai-foot span{flex:1}
.chat__input{display:flex;gap:10px;align-items:flex-end}
.chat__input textarea{flex:1;min-height:40px;max-height:120px;border:1px solid var(--line);border-radius:12px;padding:10px 13px;
  font-size:13.5px;font-family:inherit;resize:none}
.chat__input textarea:focus{outline:none;border-color:var(--brand)}
.chat__input-side{display:flex;gap:6px;align-items:center}

/* 手机预览 */
.phone{width:100%;max-width:290px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:26px;padding:10px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}
.phone__top{display:flex;justify-content:center;padding:4px}
.phone__notch{width:56px;height:6px;border-radius:4px;background:#e8ecf5}
.phone__body{background:#eef3fb;border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:8px;min-height:190px}
.phone__input{text-align:center;color:var(--text-3);font-size:12px}
.bubble{max-width:82%;padding:8px 12px;border-radius:12px;font-size:12.5px}
.bubble--out{align-self:flex-end;background:linear-gradient(120deg,var(--brand),#5b4bff);color:#fff;border-bottom-right-radius:4px}
.bubble--in{align-self:flex-start;background:#fff;border-bottom-left-radius:4px}

/* 授权账号卡片 */
.acc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.acc{border:1px solid var(--line);border-radius:14px;padding:18px}
.acc__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.acc__plat{font-size:13px;font-weight:700}
.acc__a{display:block;font-size:14px;margin-bottom:12px}
.acc__meta{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:0 0 14px;font-size:12.5px}
.acc__meta dt{color:var(--text-3)}
.acc__meta dd{margin:0;color:var(--text-2)}
.acc__foot{display:flex;align-items:center;justify-content:space-between;gap:10px}

/* AI 模型卡 */
.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.model{border:1px solid var(--line);border-radius:14px;padding:18px;cursor:pointer;transition:.2s;display:flex;flex-direction:column;gap:8px}
.model:hover{border-color:rgba(47,107,255,.4);transform:translateY(-2px)}
.model.is-on{border-color:var(--brand);background:rgba(47,107,255,.05);box-shadow:0 8px 24px rgba(47,107,255,.1)}
.model__head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.model__head b{font-size:14px}
.model small{font-size:12.5px;color:var(--text-3)}
.model code{font-size:11.5px;color:var(--violet);background:rgba(122,92,255,.1);padding:2px 8px;border-radius:6px;align-self:flex-start}
.opts{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.opt{display:flex;gap:11px;align-items:flex-start;padding:13px;border:1px solid var(--line);border-radius:12px;cursor:pointer;transition:.18s}
.opt:hover{border-color:rgba(47,107,255,.4)}
.opt input{margin-top:3px;accent-color:var(--brand)}
.opt b{display:block;font-size:14px}
.opt small{font-size:12.5px;color:var(--text-3)}
.opt:has(input:checked){border-color:var(--brand);background:rgba(47,107,255,.05)}
input[type=range]{width:100%;accent-color:var(--brand)}

/* 知识库拖拽 */
.drop{border:2px dashed var(--line);border-radius:16px;padding:32px 20px;text-align:center;cursor:pointer;transition:.2s;background:var(--bg-soft)}
.drop:hover{border-color:var(--brand);background:rgba(47,107,255,.04)}
.drop__icon{font-size:26px;color:var(--brand);margin-bottom:8px}
.drop b{display:block;font-size:14px;margin-bottom:5px}
.drop small{font-size:12.5px;color:var(--text-3)}

/* 评分条 */
.score{display:flex;align-items:center;gap:9px}
.score__bar{width:90px;height:7px;border-radius:5px;background:#eef1f7;overflow:hidden;display:block}
.score__bar i{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,var(--brand-2),var(--brand))}
.score b{font-size:13px}

/* 套餐条 */
.plan-now{display:flex;flex-direction:column;gap:14px}
.plan-now>div:first-child{display:flex;align-items:baseline;gap:12px}
.plan-now b{font-size:17px}
.plan-now span{font-size:13px;color:var(--text-3)}
.plan-now__meter{height:10px;border-radius:6px;background:#eef1f7;overflow:hidden}
.plan-now__meter i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--brand),var(--violet))}
.plan-now__nums{display:flex;gap:34px}
.plan-now__nums span{display:flex;flex-direction:column}
.plan-now__nums em{font-style:normal;font-size:12px;color:var(--text-3)}

/* =====================================================================
   响应式
   ===================================================================== */
@media (max-width:1280px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .dl-grid,.acc-grid,.model-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1080px){
  .split,.auth{grid-template-columns:1fr}
  .split{gap:34px}
  .split--rev .split__text,.split--rev .split__media{order:initial}
  .auth__aside{padding:0 0 34px}
  .grid-2,.grid-usage,.grid-bc{grid-template-columns:1fr}
  .doc-layout{grid-template-columns:1fr}
  .doc-nav{position:static;flex-direction:row;flex-wrap:wrap;gap:8px;margin-bottom:20px}
  .doc-nav__title,.doc-nav__help{width:100%}
  .doc-nav a{border:1px solid var(--line)}
  .flow{grid-template-columns:1fr;gap:14px}
  .flow__line{display:none}
  .console{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;width:246px;z-index:60;transform:translateX(-100%);transition:transform .25s}
  body.side-open .side{transform:none;box-shadow:var(--shadow-lg)}
  .topbar__menu{display:block}
  .chat{grid-template-columns:1fr;height:auto}
  .chat__list{max-height:300px}
}
@media (max-width:820px){
  .kpis,.dl-grid,.acc-grid,.model-grid,.int-grid{grid-template-columns:1fr}
  .oauth{grid-template-columns:1fr}
  .search input{width:150px}
  .env-row{grid-template-columns:60px 1fr;row-gap:6px}
  .env-tag{grid-column:1/-1;text-align:left}
}
@media (max-width:640px){
  .auth__bar{padding:0 16px}
  .auth__stat{gap:24px}
  .auth__card{padding:26px 20px}
  .search{display:none}
  .panels{padding:16px 14px 32px}
  .topbar{padding:12px 14px}
  .kb-row--3 b{min-width:0}
}

/* ===== 移动端细化适配 ===== */
/* 平板/大手机：补齐未单列的多列网格与知识库统计 */
@media (max-width:820px){
  .grid-2,.grid-usage,.grid-bc{grid-template-columns:1fr}
  .kb-live__nums{flex-wrap:wrap;gap:14px 22px}
  .card__head{flex-direction:column;align-items:flex-start;gap:10px}
  .card__tools{width:100%;justify-content:flex-start;flex-wrap:wrap}
}

/* 手机：通用收敛，保证真机可读可点 */
@media (max-width:560px){
  .container{padding:0 16px}
  .nav__inner,.auth__bar{padding:0 16px}
  .section__head h2,.doc-article h2{font-size:21px;line-height:1.25}
  .page-hero h1{font-size:28px!important;line-height:1.18}
  .hero__title{font-size:30px!important;line-height:1.18}
  .hero__btns,.cta__btns,.form__foot,.auth__foot{flex-wrap:wrap;gap:12px}
  .hero__btns .btn,.cta__btns .btn,.form__foot .btn,.auth__foot .btn{flex:1 1 auto;min-width:140px}
  .card{padding:18px 15px}
  .table{font-size:12.5px}
  .table th,.table td{padding:10px 10px}
  .modal__box{width:100vw;height:100dvh;margin:0;border-radius:0;max-width:none}
  .modal__body{padding:18px 16px;overflow:auto}
  .modal__head{padding:16px}
  .topbar__user b,.topbar__user small,.topbar__title p{display:none}
  .doc-search input{height:44px}
  .shot__body{padding:14px}
  .timeline{padding-left:16px}
  .chart svg{width:100%;height:auto}
  .lang-switch{margin-right:6px}
  .pill,.badge{font-size:11px}
  .env-row{grid-template-columns:1fr}
  .hash code{word-break:break-all;white-space:normal}
  .auth__bar .brand__name em{display:none}
  .topbar__title h1{white-space:nowrap}
  .demo-badge{white-space:nowrap}
  .list,.lrow,.card,.card__head{min-width:0}
}

/* 超小屏 */
@media (max-width:380px){
  .hero__btns .btn,.cta__btns .btn{flex-basis:100%}
  .topbar__title h1{font-size:16px}
  .topbar__tools{gap:8px}
  .topbar{gap:10px}
}