/* ============================================================
   清朗盾 QingLang Shield · 全站共享样式
   设计语言：司法蓝 × 纸感文书（minimal-light / editorial-legal）
   ============================================================ */

:root{
  --c-primary:#0E5A80;
  --c-primary-hover:#0A4A6A;
  --c-primary-deep:#083A54;
  --c-primary-soft:#E8F1F6;
  --c-bg:#F5F7F8;
  --c-surface:#FFFFFF;
  --c-border:#E2E7EB;
  --c-border-strong:#C9D2D9;
  --c-text:#1C2B33;
  --c-text-sub:#5C6E79;
  --c-text-faint:#8A9AA4;
  --c-accent:#C97E2E;
  --c-accent-hover:#B06E24;
  --c-accent-soft:#FBF0E1;
  --c-danger:#B9432F;
  --c-danger-soft:#F9ECEA;
  --c-success:#2E7D5B;
  --c-success-soft:#E8F3EE;
  --c-warning:#C08A1E;
  --c-warning-soft:#FAF3E3;
  --c-seal:#C0392B;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","STZhongsong","SimSun",serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Cascadia Mono",Consolas,"Courier New",monospace;
  --fs-12:12px;--fs-13:13px;--fs-14:14px;--fs-16:16px;--fs-18:18px;
  --fs-22:22px;--fs-28:28px;--fs-36:36px;--fs-48:48px;
  --r-sm:6px;--r-md:10px;--r-lg:16px;--r-pill:999px;
  --sh-sm:0 1px 2px rgba(12,42,60,.05);
  --sh-md:0 4px 14px rgba(12,42,60,.08);
  --sh-lg:0 16px 40px rgba(12,42,60,.14);
  --nav-h:68px;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  font-size:var(--fs-14);
  line-height:1.7;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--c-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary-hover)}
svg{vertical-align:middle}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.4}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep)}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:8px 16px;z-index:999;border-radius:0 0 var(--r-sm) 0}
.skip-link:focus{left:0;color:#fff}

/* ---------- 图标（Lucide 内联 SVG 统一样式） ---------- */
.icon{width:20px;height:20px;flex:none;stroke-width:1.75}
.icon-sm{width:16px;height:16px;flex:none;stroke-width:2}
.icon-lg{width:24px;height:24px;flex:none;stroke-width:1.5}

/* ---------- 顶部导航（App Shell，全站一致） ---------- */
.top-nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--c-border);z-index:100}
.nav-inner{max-width:var(--container);margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-text)}
.brand-mark{width:30px;height:30px;color:var(--c-primary);stroke-width:1.75}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:var(--font-display);font-size:19px;letter-spacing:2px;color:var(--c-primary-deep)}
.brand-text small{font-size:11px;color:var(--c-text-faint);letter-spacing:1px}
.nav-links{display:flex;gap:4px;margin-left:auto;align-self:stretch;align-items:center}
.nav-links a{position:relative;padding:8px 14px;border-radius:var(--r-sm);color:var(--c-text-sub);font-size:var(--fs-14);transition:all .2s}
.nav-links a:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-links a.active{color:var(--c-primary);font-weight:600;background:transparent}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--c-primary);border-radius:2px}
.nav-side{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:1px solid var(--c-border);border-radius:var(--r-sm);width:40px;height:40px;align-items:center;justify-content:center;cursor:pointer;color:var(--c-text-sub);transition:all .2s}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-toggle svg{width:20px;height:20px}

@media (max-width:960px){
  .brand-text small{display:none}
  .nav-side .btn{display:none}
  .nav-toggle{display:inline-flex}
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;background:var(--c-surface);border-bottom:1px solid var(--c-border);box-shadow:var(--sh-md);padding:8px 16px 16px;display:none;margin-left:0;align-self:auto}
  body.nav-open .nav-links{display:flex}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:var(--c-primary-soft)}
}

/* ---------- 主体与页脚 ---------- */
.page-main{padding-top:var(--nav-h);min-height:100vh;display:flex;flex-direction:column}
.page-main > .page-grow{flex:1}
.site-footer{background:var(--c-primary-deep);color:#CFE0EA;margin-top:auto}
.footer-inner{max-width:var(--container);margin:0 auto;padding:48px 24px 32px;display:grid;grid-template-columns:2fr 1fr 1.4fr 1.6fr;gap:40px}
.footer-logo{font-family:var(--font-display);font-size:24px;letter-spacing:3px;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:var(--fs-13);line-height:1.8;color:#9FBDD0}
.footer-col h4{font-size:var(--fs-13);color:#fff;letter-spacing:1px;margin-bottom:14px;font-weight:600;font-family:var(--font-body)}
.footer-col a{display:block;color:#9FBDD0;font-size:var(--fs-13);padding:4px 0}
.footer-col a:hover{color:#fff}
.footer-static{display:block;color:#9FBDD0;font-size:var(--fs-13);padding:4px 0}
.footer-note{font-size:12px;line-height:1.8;color:#7FA3B8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);text-align:center;padding:18px 24px;font-size:12px;color:#7FA3B8}
@media (max-width:960px){.footer-inner{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:600px){.footer-inner{grid-template-columns:1fr}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-body);font-size:var(--fs-14);font-weight:600;line-height:1;border:1px solid transparent;border-radius:var(--r-sm);padding:12px 22px;cursor:pointer;transition:all .2s var(--ease);text-decoration:none;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed;pointer-events:none}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-hover);box-shadow:var(--sh-md);transform:translateY(-1px);color:#fff}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-hover);box-shadow:var(--sh-md);transform:translateY(-1px);color:#fff}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-1px);color:var(--c-primary-hover)}
.btn-ghost{background:transparent;color:var(--c-text-sub)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.btn-danger{background:var(--c-danger);color:#fff}
.btn-danger:hover{background:#A03826;box-shadow:var(--sh-md);color:#fff}
.btn-sm{padding:8px 14px;font-size:var(--fs-13)}
.btn-lg{padding:15px 30px;font-size:var(--fs-16)}
.btn-block{width:100%}

/* ---------- 表单 ---------- */
.form-label{display:block;font-size:var(--fs-13);font-weight:600;color:var(--c-text);margin-bottom:6px}
.form-label .req{color:var(--c-danger);margin-left:2px}
.input,.select,.textarea{width:100%;font-family:var(--font-body);font-size:var(--fs-14);color:var(--c-text);background:var(--c-surface);border:1px solid var(--c-border-strong);border-radius:var(--r-sm);padding:10px 14px;transition:border-color .2s,box-shadow .2s}
.textarea{min-height:110px;resize:vertical;line-height:1.7}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,90,128,.12)}
.input::placeholder,.textarea::placeholder{color:var(--c-text-faint)}
.select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235C6E79' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;cursor:pointer}
.form-row{margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.form-error{font-size:12px;color:var(--c-danger);margin-top:6px;display:none}
.form-row.has-error .input,.form-row.has-error .select,.form-row.has-error .textarea{border-color:var(--c-danger)}
.form-row.has-error .form-error{display:block}
.form-hint{font-size:12px;color:var(--c-text-faint);margin-top:6px}
.check-group{display:flex;flex-wrap:wrap;gap:10px}
.check-item{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--c-border-strong);border-radius:var(--r-sm);padding:9px 14px;cursor:pointer;font-size:var(--fs-14);transition:all .2s;background:var(--c-surface)}
.check-item:hover{border-color:var(--c-primary)}
.check-item input{accent-color:var(--c-primary);width:16px;height:16px;cursor:pointer}
.check-item:has(input:checked){border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
/* ---------- 卡片 / 徽章 / 标签 ---------- */
.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--sh-sm);transition:box-shadow .2s,transform .2s,border-color .2s}
.card-hover:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:var(--c-border-strong)}
.card-pad{padding:24px}
@media(max-width:640px){.card-pad{padding:16px}}

.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;line-height:1;padding:5px 10px;border-radius:var(--r-pill);white-space:nowrap}
.badge-success{background:var(--c-success-soft);color:var(--c-success)}
.badge-warning{background:var(--c-warning-soft);color:var(--c-warning)}
.badge-danger{background:var(--c-danger-soft);color:var(--c-danger)}
.badge-info{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-neutral{background:#EEF1F3;color:var(--c-text-sub)}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent)}

.tag{display:inline-flex;align-items:center;font-size:12px;color:var(--c-text-sub);background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-sm);padding:3px 9px;line-height:1.5}

/* ---------- 区块标题 ---------- */
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:2px;color:var(--c-accent);margin-bottom:12px}
.kicker::before{content:"";width:20px;height:1px;background:var(--c-accent)}
.section-head{margin-bottom:32px}
.section-head h2{font-size:var(--fs-28);color:var(--c-text)}
.section-head p{color:var(--c-text-sub);margin-top:8px;max-width:640px}
.section-head.center{text-align:center}
.section-head.center p{margin-left:auto;margin-right:auto}
.section-head.center .kicker::before{display:none}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:var(--fs-13)}
.table th{text-align:left;font-weight:600;color:var(--c-text-sub);background:var(--c-primary-soft);padding:11px 14px;border-bottom:1px solid var(--c-border);white-space:nowrap}
.table td{padding:12px 14px;border-bottom:1px solid var(--c-border);vertical-align:top}
.table tr:last-child td{border-bottom:none}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:#F7FAFB}

/* ---------- 步骤条 ---------- */
.steps{display:flex}
.step{flex:1;position:relative;text-align:center;padding:0 4px}
.step .step-dot{width:32px;height:32px;border-radius:50%;background:var(--c-surface);border:2px solid var(--c-border-strong);color:var(--c-text-faint);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;position:relative;z-index:1;transition:all .3s}
.step .step-label{display:block;margin-top:8px;font-size:12px;color:var(--c-text-faint)}
.step::before{content:"";position:absolute;top:16px;left:-50%;width:100%;height:2px;background:var(--c-border)}
.step:first-child::before{display:none}
.step.active .step-dot{border-color:var(--c-primary);background:var(--c-primary);color:#fff;box-shadow:0 0 0 4px rgba(14,90,128,.15)}
.step.active .step-label{color:var(--c-primary);font-weight:600}
.step.done .step-dot{border-color:var(--c-success);background:var(--c-success);color:#fff}
.step.done::before{background:var(--c-success)}
.step.done .step-label{color:var(--c-success)}

/* ---------- 对话气泡（AI 问卷） ---------- */
.chat-wrap{display:flex;flex-direction:column;gap:16px}
.chat-bubble{max-width:80%;padding:14px 18px;border-radius:var(--r-lg);font-size:var(--fs-14);line-height:1.7;animation:chat-in .35s var(--ease)}
.chat-bubble.ai{background:var(--c-surface);border:1px solid var(--c-border);border-bottom-left-radius:4px;align-self:flex-start;box-shadow:var(--sh-sm)}
.chat-bubble.user{background:var(--c-primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
@keyframes chat-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.chat-options{display:flex;flex-direction:column;gap:10px;max-width:80%;align-self:flex-end;animation:chat-in .35s var(--ease)}
.chat-option{text-align:left;background:var(--c-surface);border:1px solid var(--c-border-strong);border-radius:var(--r-md);padding:13px 16px;cursor:pointer;font-size:var(--fs-14);font-family:var(--font-body);color:var(--c-text);transition:all .2s;display:flex;align-items:center;justify-content:space-between;gap:10px}
.chat-option:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary);transform:translateX(-3px)}
.chat-option .opt-hint{font-size:12px;color:var(--c-text-faint)}
.chat-option:hover .opt-hint{color:var(--c-primary)}
@media(max-width:640px){.chat-bubble,.chat-options{max-width:100%}}

/* ---------- 印章 ---------- */
.seal{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;width:92px;height:92px;border:3px solid var(--c-seal);border-radius:50%;color:var(--c-seal);transform:rotate(-12deg);opacity:.92;position:relative;font-family:var(--font-display);flex:none}
.seal::before{content:"";position:absolute;inset:5px;border:1px solid var(--c-seal);border-radius:50%;opacity:.7}
.seal .seal-main{font-size:17px;font-weight:700;letter-spacing:2px}
.seal .seal-sub{font-size:10px;letter-spacing:1px;margin-top:2px}
.seal-stamped{animation:stamp .45s cubic-bezier(.34,1.56,.64,1)}
@keyframes stamp{0%{transform:rotate(-12deg) scale(2.2);opacity:0}60%{transform:rotate(-12deg) scale(.95);opacity:1}100%{transform:rotate(-12deg) scale(1);opacity:.92}}

/* ---------- 弹窗 ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(8,38,54,.55);display:none;align-items:center;justify-content:center;z-index:200;padding:24px;opacity:0;transition:opacity .25s}
.modal-overlay.open{display:flex;opacity:1}
.modal{background:var(--c-surface);border-radius:var(--r-lg);width:100%;max-width:760px;max-height:86vh;display:flex;flex-direction:column;box-shadow:var(--sh-lg);transform:translateY(12px);transition:transform .25s}
.modal-overlay.open .modal{transform:none}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--c-border)}
.modal-head h3{font-size:var(--fs-18)}
.modal-close{background:none;border:none;cursor:pointer;color:var(--c-text-faint);width:36px;height:36px;border-radius:var(--r-sm);display:inline-flex;align-items:center;justify-content:center;transition:all .2s;flex:none}
.modal-close:hover{background:var(--c-danger-soft);color:var(--c-danger)}
.modal-body{padding:24px;overflow-y:auto}
.modal-foot{padding:16px 24px;border-top:1px solid var(--c-border);display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}
@media(max-width:640px){.modal-overlay{padding:12px}.modal-body{padding:16px}.modal-head{padding:16px}.modal-foot{padding:12px 16px}}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;top:calc(var(--nav-h) + 16px);right:16px;z-index:300;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{display:flex;align-items:center;gap:10px;background:var(--c-primary-deep);color:#fff;font-size:var(--fs-13);padding:12px 18px;border-radius:var(--r-md);box-shadow:var(--sh-lg);animation:toast-in .3s var(--ease);max-width:340px}
.toast.toast-success{background:var(--c-success)}
.toast.toast-danger{background:var(--c-danger)}
.toast.toast-warning{background:var(--c-warning)}
.toast.out{animation:toast-out .3s var(--ease) forwards}
@keyframes toast-in{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}
@keyframes toast-out{to{opacity:0;transform:translateX(30px)}}

/* ---------- 加载态 ---------- */
.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex:none}
.spinner-dark{border-color:rgba(14,90,128,.2);border-top-color:var(--c-primary)}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,#EEF1F3 25%,#F6F8F9 50%,#EEF1F3 75%);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:var(--r-sm)}
@keyframes sk{to{background-position:-200% 0}}

/* ---------- 空状态 ---------- */
.empty{padding:56px 24px;text-align:center;color:var(--c-text-faint)}
.empty .icon-lg{color:var(--c-border-strong);margin-bottom:12px}
.empty h4{font-size:var(--fs-16);color:var(--c-text-sub);margin-bottom:6px;font-family:var(--font-body);font-weight:600}
.empty p{font-size:var(--fs-13)}

/* ---------- 哈希展示 ---------- */
.hash-box{font-family:var(--font-mono);font-size:12px;background:var(--c-bg);border:1px dashed var(--c-border-strong);border-radius:var(--r-sm);padding:10px 14px;word-break:break-all;color:var(--c-text-sub);line-height:1.6}
.mono{font-family:var(--font-mono);font-size:12px}

/* ---------- 入场动画（[data-reveal] 由 ui.js 自动处理） ---------- */
.reveal{opacity:0;transform:translateY(16px);animation:reveal-up .65s var(--ease) forwards}
@keyframes reveal-up{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;transition-duration:.001s !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 工具类 ---------- */
.text-sub{color:var(--c-text-sub)}
.text-faint{color:var(--c-text-faint)}
.text-center{text-align:center}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}