/* =============================================================
   AI小忙工作社区 · 在线 AI 定制工坊 —— 组件样式层
   文件：css/components.css
   说明：v3 视觉升级 —— 渐变按钮 / 毛玻璃导航 / 光晕卡片 /
         圆形徽章 / 渐变统计 / 霓虹时间线 / 玻璃弹窗 / 明亮表单。
         所有类名与 v2 完全兼容（HTML / JS 引用不变）。
   ============================================================= */

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px; border-radius: 999px; border: 1px solid transparent;
  font-size: 0.95rem; font-weight: 600; line-height: 1;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
              background 0.2s, color 0.2s, border-color 0.2s;
}
.btn:active { transform: scale(0.97); }
/* 主按钮：品牌青→紫渐变 + 发光（创意核心） */
.btn-primary {
  background: var(--grad); color: #fff;
  background-size: 160% 160%;
  animation: gradFlow 6s ease-in-out infinite;
  box-shadow: 0 10px 28px -12px rgba(79, 70, 229, 0.55), 0 10px 28px -12px rgba(124, 58, 237, 0.45); /* v3.4.0 靛紫光晕 */
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(79, 70, 229, 0.6), 0 18px 40px -12px rgba(124, 58, 237, 0.5); } /* v3.4.0 靛紫 */
.btn-ghost { background: rgba(255, 255, 255, 0.7); color: var(--t-1); border-color: rgba(79, 70, 229, 0.30); backdrop-filter: blur(6px); }
.btn-ghost:hover { border-color: #4f46e5; color: #4f46e5; transform: translateY(-2px); } /* v3.5.0 浅色幽灵 */
.btn-ghost-light { background: #fff; color: var(--t-1); border-color: rgba(15, 23, 42, 0.14); box-shadow: 0 6px 18px -10px rgba(15, 23, 42, 0.18); }
.btn-ghost-light:hover { border-color: var(--c-accent); color: var(--c-accent-deep); transform: translateY(-2px); } /* v3.4.0 靛 */
.btn-amber { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #402c05; box-shadow: 0 10px 26px -12px rgba(245, 158, 11, 0.6); }
.btn-amber:hover { filter: brightness(1.05); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-sm { padding: 9px 18px; font-size: 0.88rem; }
.btn[disabled] { opacity: 0.5; pointer-events: none; }
.btn-block { display: flex; width: 100%; }
.btn-block + .btn-block { margin-top: 10px; }

/* ---------- 语言切换按钮 ---------- */
.lang-btn {
  margin-left: 6px; padding: 7px 14px; border-radius: 999px;
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em;
  background: rgba(79, 70, 229, 0.10); color: #4f46e5;
  border: 1px solid rgba(79, 70, 229, 0.30);
  transition: all 0.18s var(--ease);
} /* v3.5.0 靛 */
.lang-btn:hover { background: var(--grad); color: #fff; transform: translateY(-1px); }

/* ---------- 顶部导航（毛玻璃 + 深蓝紫玻璃渐变） ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78));
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid rgba(79, 70, 229, 0.12);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; font-size: 1.18rem; color: var(--t-1); letter-spacing: 0.01em; } /* v3.5.0 浅底 */
.logo em { font-style: normal; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--grad);
  box-shadow: 0 0 26px -4px rgba(99, 102, 241, 0.7);
}
.logo-mark svg { width: 20px; height: 20px; color: #fff; }
.logo b { font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 16px; border-radius: 999px; font-size: 0.95rem; font-weight: 500;
  color: var(--t-2); transition: color 0.18s, background 0.18s;
}
.nav-links a:hover { color: var(--t-1); background: rgba(79, 70, 229, 0.08); }
.nav-links a.active { color: #4f46e5; background: rgba(79, 70, 229, 0.10); } /* v3.5.0 靛 */
.nav-links a.btn-primary, .nav-links a.btn-primary:link, .nav-links a.btn-primary:visited { color: #fff; } /* v3.7.1 导航登录/注册按钮默认白字 */
.nav-links a.btn-primary:hover { color: #fff; }
.nav-cta { margin-left: 10px; }
.nav-burger { display: none; background: rgba(255,255,255,0.9); border: 1px solid rgba(148,163,184,0.3); border-radius: 12px; width: 44px; height: 44px; place-items: center; color: var(--t-1); } /* v3.5.0 */
.nav-burger svg { width: 22px; height: 22px; }

/* 移动端抽屉菜单 */
.drawer {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.99), rgba(240, 243, 252, 0.99));
  backdrop-filter: blur(18px);
  flex-direction: column; padding: 24px;
} /* v3.5.0 浅色 */
.drawer.open { display: flex; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }
.drawer-close { background: rgba(15,23,42,0.04); border: 1px solid rgba(148,163,184,0.3); border-radius: 12px; width: 44px; height: 44px; color: var(--t-1); } /* v3.5.0 */
.drawer-links { display: flex; flex-direction: column; gap: 4px; }
.drawer-links a { padding: 14px 8px; font-size: 1.15rem; color: var(--t-1); border-bottom: 1px solid rgba(148,163,184,0.14); font-weight: 600; }
.drawer-links a.active { color: #4f46e5; } /* v3.5.0 靛 */
.drawer .btn { margin-top: 28px; }

/* ---------- 页脚（深蓝紫渐变 + 顶部渐变光带） ---------- */
.footer {
  background:
    radial-gradient(800px 300px at 90% 0%, rgba(124, 58, 237, 0.08), transparent 60%),
    radial-gradient(700px 300px at 10% 0%, rgba(79, 70, 229, 0.07), transparent 55%),
    #eef1f9;
  color: var(--t-2); padding: 64px 0 30px;
  border-top: 1px solid rgba(79, 70, 229, 0.10);
} /* v3.5.0 浅色页脚 */
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; }
.footer h4 { color: var(--t-1); font-size: 0.95rem; margin-bottom: 16px; letter-spacing: 0.04em; } /* v3.5.0 */
.footer li { margin-bottom: 10px; font-size: 0.92rem; }
.footer a:hover { color: #4f46e5; } /* v3.5.0 靛 */
.footer-brand p { font-size: 0.92rem; margin-top: 14px; max-width: 300px; }
.footer-bottom { margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(148,163,184,0.14); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 0.85rem; color: var(--t-3); } /* v3.5.0 */
.footer .logo { margin-bottom: 6px; }
/* v3.8.3 页脚列修复：footer-col 原无样式，链接/文本按 inline 挤在一行折行（如"关于我们"断成两行）
   改为纵向弹性列，链接块级展示、行距均匀 */
.footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; min-width: 0; }
.footer-col a, .footer-col span { display: inline-flex; align-items: center; gap: 6px; font-size: 0.92rem; color: var(--t-2); text-decoration: none; transition: color 0.18s; line-height: 1.5; white-space: normal; word-break: break-word; }
.footer-col a:hover { color: #4f46e5; }
.footer-col b { font-weight: 600; }

/* ---------- 通用卡片（白色玻璃 + 光晕阴影 + 渐变顶边） ---------- */
.card {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--c-light-border);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 24px 48px -22px rgba(15, 23, 42, 0.22); border-color: rgba(79, 70, 229, 0.45); } /* v3.4.0 靛 */
.on-dark .card {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(79, 70, 229, 0.14);
  box-shadow: var(--shadow-card);
} /* v3.5.0 浅色卡 */
.on-dark .card:hover { border-color: rgba(79, 70, 229, 0.40); box-shadow: 0 20px 50px -22px rgba(79, 70, 229, 0.25); } /* v3.5.0 靛 */
.card-icon {
  width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
  background: var(--grad-soft); color: var(--c-accent-deep);
  border: 1px solid rgba(79, 70, 229, 0.25); /* v3.4.0 靛 */
  transition: transform 0.25s var(--ease);
}
.card:hover .card-icon { transform: scale(1.08) rotate(-4deg); }
.on-dark .card-icon { background: rgba(79, 70, 229, 0.10); color: #4f46e5; border-color: rgba(79, 70, 229, 0.22); } /* v3.5.0 靛 */
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.16rem; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 0.94rem; color: var(--t-2); }
.on-dark .card p { color: var(--t-dark-2); }

/* ---------- 标签 / 徽章 ---------- */
.tag {
  display: inline-block; padding: 3px 12px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600;
  background: rgba(148, 163, 184, 0.12); color: var(--t-2);
}
.on-dark .tag { background: rgba(148, 163, 184, 0.14); color: var(--t-2); } /* v3.5.0 */
.tag-cyan { background: var(--c-accent-soft); color: #4338ca; border: 1px solid rgba(79, 70, 229, 0.3); } /* v3.4.0 靛蓝标签 5.4:1 */
.on-dark .tag-cyan { color: #4f46e5; border-color: rgba(79, 70, 229, 0.3); } /* v3.5.0 靛 */
.tag-amber { background: var(--c-amber-soft); color: #a16207; }
.tag-ok { background: rgba(16, 185, 129, 0.12); color: #047857; }
.tag-warn { background: rgba(245, 158, 11, 0.14); color: #b45309; }
.nav-user { font-size: 0.88rem; font-weight: 600; color: var(--t-2); margin-left: 8px; white-space: nowrap; }
.nav-user:hover { color: #4f46e5; }
.nav-user-out { color: var(--t-3); } /* v3.5.0 */
.nav-user-out:hover { color: var(--c-err); }
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-ok); display: inline-block; animation: pulse 1.8s infinite; }

/* ---------- 数据统计条（渐变数字 + 迷你光点） ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat { text-align: center; padding: 8px; position: relative; }
.stat-num {
  font-family: var(--font-mono); font-size: clamp(2rem, 3.4vw, 2.7rem); font-weight: 800;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -0.02em;
}
.stat-num em { font-style: normal; color: #4f46e5; -webkit-text-fill-color: #4f46e5; } /* v3.5.0 靛 */
.stat-label { font-size: 0.88rem; color: var(--t-dark-2); margin-top: 4px; }

/* ---------- 流程步骤（霓虹时间线） ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; }
.step { position: relative; padding-top: 8px; }
.step-no {
  width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 800; font-size: 1.05rem; margin-bottom: 14px;
  background: rgba(79, 70, 229, 0.10); color: #4f46e5;
  border: 1px solid rgba(79, 70, 229, 0.28);
  box-shadow: 0 0 20px -6px rgba(79, 70, 229, 0.35);
}
.step:nth-child(2n) .step-no { background: rgba(124, 58, 237, 0.10); color: #6d28d9; border-color: rgba(124, 58, 237, 0.30); box-shadow: 0 0 20px -6px rgba(124, 58, 237, 0.35); } /* v3.5.0 靛紫 */
.steps::before { /* 连接线：渐变 */
  content: ""; position: absolute; top: 30px; left: 8%; right: 8%; height: 2px;
  background: linear-gradient(90deg, rgba(79,70,229,0.45), rgba(124,58,237,0.45)); /* v3.5.0 */
  opacity: 0.35;
}
.step h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.step p { font-size: 0.88rem; color: var(--t-2); } /* v3.5.0 */

/* ---------- 案例卡片（作品：渐变遮罩 + 缩放动效） ---------- */
.case-card { overflow: hidden; padding: 0; background: #fff; border: 1px solid var(--c-light-border); }
.case-card:hover { transform: translateY(-6px); border-color: rgba(79, 70, 229, 0.45); box-shadow: 0 20px 50px -24px rgba(79, 70, 229, 0.28); } /* v3.5.0 白卡 */
.case-media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; }
.case-media::after { /* 底部渐变遮罩，让文字更清晰 */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, 0.30)); /* v3.5.0 浅遮罩 */
  pointer-events: none;
}
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.55s var(--ease); }
.case-card:hover .case-media img { transform: scale(1.07); }
.case-media .tags { position: absolute; left: 14px; top: 14px; display: flex; gap: 8px; z-index: 1; }
.case-body { padding: 22px 24px 26px; }
.case-body h3 { font-size: 1.14rem; font-weight: 700; margin-bottom: 8px; }
.case-body .desc { font-size: 0.9rem; color: var(--t-2); margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; } /* v3.5.0 */
.case-metrics { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.metric {
  font-family: var(--font-mono); font-size: 0.8rem; color: #4f46e5;
  background: rgba(79,70,229,0.08); border: 1px solid rgba(79,70,229,0.25);
  padding: 3px 11px; border-radius: 999px;
} /* v3.5.0 靛 */

/* ---------- 服务条目卡片 ---------- */
.svc-card { display: flex; flex-direction: column; }
.svc-card .svc-more { margin-top: auto; padding-top: 16px; font-size: 0.9rem; font-weight: 600; color: var(--c-accent-deep); display: inline-flex; align-items: center; gap: 6px; } /* v3.4.0 靛 */
.on-dark .svc-card .svc-more { color: #4f46e5; } /* v3.5.0 */
.svc-card .svc-more svg { width: 15px; height: 15px; transition: transform 0.2s; }
.svc-card:hover .svc-more svg { transform: translateX(4px); }

/* ---------- 筛选标签组 ---------- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.filter-btn {
  padding: 9px 20px; border-radius: 999px; font-size: 0.9rem; font-weight: 600;
  background: #fff; color: var(--t-2); border: 1px solid var(--c-light-border);
  box-shadow: 0 4px 14px -10px rgba(15, 23, 42, 0.15);
  transition: all 0.18s var(--ease);
}
.filter-btn:hover { color: var(--c-accent-deep); border-color: rgba(79, 70, 229, 0.5); } /* v3.4.0 靛 */
.filter-btn.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 10px 24px -10px rgba(99, 102, 241, 0.6); }

/* ---------- 弹窗（作品详情：玻璃浮层） ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 300; display: none;
  background: rgba(15, 23, 42, 0.45); backdrop-filter: blur(8px); /* v3.5.0 */
  align-items: center; justify-content: center; padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal {
  width: min(880px, 100%); max-height: 88vh; overflow-y: auto;
  background: #fff;
  border: 1px solid var(--c-light-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 90px -30px rgba(15, 23, 42, 0.35);
  animation: modalIn 0.3s var(--ease);
} /* v3.5.0 白弹窗 */
.modal-close {
  position: absolute; right: 16px; top: 16px; width: 40px; height: 40px; z-index: 2;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.06); border: 1px solid rgba(148,163,184,0.3);
  color: var(--t-1); display: grid; place-items: center;
} /* v3.5.0 */
.modal-close:hover { color: var(--c-err); border-color: var(--c-err); }
.modal-close svg { width: 18px; height: 18px; }
.modal-media img { width: 100%; aspect-ratio: 16 / 8.4; object-fit: cover; }
.modal-body { padding: 30px 34px 36px; }
.modal-body h2 { font-size: 1.5rem; margin: 12px 0 10px; }
.modal-body .lead { color: var(--t-2); margin-bottom: 20px; } /* v3.5.0 */
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 20px; }
.modal-block { background: rgba(240, 243, 252, 0.7); border: 1px solid rgba(148,163,184,0.18); border-radius: 14px; padding: 18px 20px; }
.modal-block h4 { font-size: 0.86rem; letter-spacing: 0.06em; color: var(--t-3); margin-bottom: 10px; }
.modal-block ul { display: flex; flex-direction: column; gap: 7px; }
.modal-block li { font-size: 0.92rem; color: var(--t-2); display: flex; gap: 8px; align-items: baseline; }
.modal-block li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #4f46e5; flex: none; align-self: center; } /* v3.5.0 靛 */

/* ---------- 表单（明亮圆角 + 聚焦光环） ---------- */
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 0.92rem; font-weight: 600; margin-bottom: 8px; }
.field .hint { font-size: 0.8rem; color: var(--t-3); margin-top: 6px; }
.on-dark .field .hint { color: var(--t-dark-3); }
.input, .textarea {
  width: 100%; padding: 14px 17px; border-radius: 14px;
  background: #fff; border: 1.5px solid rgba(15, 23, 42, 0.10);
  color: var(--t-1); outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.on-dark .input, .on-dark .textarea { background: #fff; border-color: rgba(79,70,229,0.18); color: var(--t-1); } /* v3.5.0 白输入 */
.input:focus, .textarea:focus { border-color: var(--c-accent); box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.14); } /* v3.4.0 靛 */
.on-dark .input:focus, .on-dark .textarea:focus { border-color: #4f46e5; box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.14); } /* v3.5.0 靛 */
.input::placeholder, .textarea::placeholder { color: var(--t-3); }
.on-dark .input::placeholder, .on-dark .textarea::placeholder { color: var(--t-3); } /* v3.5.0 */
.textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.82rem; color: var(--t-3); }
.on-dark .form-note { color: var(--t-dark-3); }

/* ---------- 手风琴（FAQ） ---------- */
.acc-item { border: 1px solid var(--c-light-border); border-radius: 14px; margin-bottom: 12px; overflow: hidden; background: #fff; }
.acc-head {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 17px 22px; background: none; border: none; text-align: left;
  font-size: 0.98rem; font-weight: 600; color: var(--t-1);
}
.acc-head svg { width: 18px; height: 18px; flex: none; transition: transform 0.25s var(--ease); color: #4f46e5; }
.acc-item.open .acc-head svg { transform: rotate(45deg); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height 0.3s var(--ease); }
.acc-body-inner { padding: 0 22px 20px; font-size: 0.93rem; color: var(--t-2); } /* v3.5.0 白手风琴 */

/* ---------- 跑马灯（订单走廊） ---------- */
.ticker-wrap { overflow: hidden; position: relative; }
.ticker { display: flex; gap: 14px; width: max-content; animation: tickerMove 46s linear infinite; }
.ticker:hover { animation-play-state: paused; }
.ticker-item {
  display: inline-flex; align-items: center; gap: 10px; white-space: nowrap;
  padding: 9px 18px; border-radius: 999px; font-size: 0.86rem;
  background: #fff; border: 1px solid var(--c-light-border); color: var(--t-2);
  box-shadow: 0 4px 14px -10px rgba(15, 23, 42, 0.12);
}
.ticker-item b { color: var(--t-1); font-weight: 600; }
.ticker-item .st { color: var(--c-ok); font-weight: 600; }
@keyframes tickerMove { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker-fade { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, #f5f8fd, transparent 12%, transparent 88%, #f5f8fd); } /* v3.5.0 白跑马灯 */

/* ---------- 对比组件（买 vs 定：定制侧渐变强调） ---------- */
.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: stretch; }
.compare-card { padding: 30px 28px; }
.compare-card.buy { border-color: rgba(148, 163, 184, 0.35); }
.compare-card.make {
  border-color: rgba(79, 70, 229, 0.35);
  background: linear-gradient(165deg, rgba(79, 70, 229, 0.10), rgba(124, 58, 237, 0.08) 60%, #fff);
  box-shadow: 0 0 60px -24px rgba(79, 70, 229, 0.25);
} /* v3.5.0 靛紫浅卡 */
.compare-vs {
  align-self: center; width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-family: var(--font-mono); font-size: 1.05rem;
  background: var(--grad); color: #fff; box-shadow: 0 12px 30px -10px rgba(99, 102, 241, 0.6);
}
.compare-card h3 { font-size: 1.1rem; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.compare-card h3 svg { width: 22px; height: 22px; }
.compare-card ul { display: flex; flex-direction: column; gap: 12px; }
.compare-card li { font-size: 0.94rem; color: var(--t-2); display: flex; gap: 10px; } /* v3.5.0 */
.compare-card li svg { width: 18px; height: 18px; flex: none; margin-top: 3px; }
.compare-card li.no svg { color: var(--c-err); }
.compare-card li.ok svg { color: var(--c-ok); }
.compare-price { margin-top: 22px; padding-top: 18px; border-top: 1px dashed rgba(148,163,184,0.3); font-size: 0.9rem; color: var(--t-3); } /* v3.5.0 */
.compare-price b { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; font-family: var(--font-mono); font-size: 1.4rem; }

/* ---------- 快速评估向导 ---------- */
.wizard {
  max-width: 780px; margin-inline: auto;
  background: #fff;
  border: 1px solid var(--c-light-border); border-radius: var(--radius-lg);
  padding: 36px 40px; box-shadow: 0 40px 80px -40px rgba(79, 70, 229, 0.18);
} /* v3.5.0 白向导 */
.wz-progress { display: flex; gap: 10px; margin-bottom: 30px; }
.wz-progress i { height: 5px; flex: 1; border-radius: 99px; background: rgba(148, 163, 184, 0.18); transition: background 0.3s; }
.wz-progress i.on { background: var(--grad); }
.wz-step { display: none; }
.wz-step.active { display: block; animation: wzIn 0.35s var(--ease); }
@keyframes wzIn { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
.wz-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.wz-sub { color: var(--t-2); font-size: 0.94rem; margin-bottom: 24px; } /* v3.5.0 */
.wz-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.wz-option {
  padding: 16px 18px; border-radius: 14px; text-align: left; font-size: 0.96rem; font-weight: 600;
  background: rgba(240, 243, 252, 0.7); color: var(--t-1); border: 1px solid rgba(148,163,184,0.22);
  transition: all 0.18s var(--ease);
}
.wz-option small { display: block; font-weight: 400; font-size: 0.82rem; color: var(--t-3); margin-top: 4px; }
.wz-option:hover { border-color: #4f46e5; transform: translateY(-2px); }
.wz-option.sel { border-color: #4f46e5; background: rgba(79, 70, 229, 0.10); color: #4f46e5; } /* v3.5.0 靛 */
.wz-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 26px; }
.wz-result { display: none; }
.wz-result.active { display: block; animation: wzIn 0.35s var(--ease); }
.wz-result-box { background: rgba(240, 243, 252, 0.7); border: 1px solid rgba(79, 70, 229, 0.30); border-radius: 16px; padding: 26px; margin-top: 20px; }
.wz-result-box h4 { color: #4f46e5; font-size: 0.9rem; letter-spacing: 0.08em; margin-bottom: 12px; }
.wz-result-box .advice { font-size: 1.02rem; line-height: 1.8; margin-bottom: 18px; }
.wz-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.wz-meta div { background: rgba(240, 243, 252, 0.7); border: 1px solid rgba(148,163,184,0.18); border-radius: 12px; padding: 12px 14px; }
.wz-meta .k { font-size: 0.78rem; color: var(--t-3); } /* v3.5.0 浅 */
.wz-meta .v { font-family: var(--font-mono); font-weight: 700; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 1.05rem; margin-top: 2px; }

/* ---------- 页首横幅（内页） ---------- */
.page-hero { padding: 92px 0 76px; position: relative; overflow: hidden; }
.page-hero::before { /* 顶部渐变光晕 */
  content: ""; position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 320px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(79, 70, 229, 0.20), transparent); /* v3.5.0 靛 */
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; letter-spacing: -0.015em; margin: 18px 0 16px; }
.page-hero h1 em { font-style: normal; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero p { font-size: 1.06rem; color: var(--t-2); max-width: 640px; } /* v3.5.0 */

/* ---------- 回到顶部（渐变圆钮） ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #fff; border: none;
  opacity: 0; pointer-events: none; transition: opacity 0.25s, transform 0.25s;
  box-shadow: 0 14px 32px -12px rgba(99, 102, 241, 0.6);
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }
.to-top svg { width: 18px; height: 18px; }

/* ---------- 滚动进度条（渐变） ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 210; background: var(--grad); }

/* ---------- 联系卡片 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact-card { text-align: center; padding: 30px 20px; }
.contact-card .card-icon { margin-inline: auto; }
.contact-card .v { font-size: 1.05rem; font-weight: 700; margin-top: 4px; }
.contact-card .d { font-size: 0.85rem; color: var(--t-3); margin-top: 6px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
  .steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .compare { grid-template-columns: 1fr; }
  .compare-vs { margin-inline: auto; }
  .contact-cards { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: grid; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .modal-grid { grid-template-columns: 1fr; }
  .wz-options { grid-template-columns: 1fr; }
  .wz-meta { grid-template-columns: 1fr; }
  .wizard { padding: 26px 22px; }
  .page-hero { padding: 64px 0 54px; }
}


/* v3.8.0 登录/注册按钮获得焦点(focus)时仅文字变深色，背景渐变与光晕保持不变 */
.nav-links a.btn-primary:focus, .nav-links a.btn-primary:focus-visible { color: #312e81 !important; outline: none; }