/* ============================================================
   Notifier · 统一通知投递中台 门户样式
   设计参考：极派科技官网（极简、流畅、克制的科技感视觉）
   覆盖：落地页 + 登录页 + 注册页（门户与超管后台入口完全解耦）
   ============================================================ */

:root {
    --bg: #f7f8fb;
    --bg-soft: #ffffff;
    --surface: #ffffff;
    --ink: #10131f;
    --ink-2: #3c4356;
    --ink-3: #7c8498;
    --line: #e6e8f0;
    --accent: #4d6bfe;
    --accent-2: #7a5cff;
    --accent-soft: rgba(77, 107, 254, 0.08);
    --green: #2fbf71;
    --orange: #f59e42;
    --danger: #e5484d;
    --footer-bg: #0b0e18;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-card: 0 1px 2px rgba(16, 19, 31, 0.04), 0 12px 32px -12px rgba(16, 19, 31, 0.12);
    --shadow-card-hover: 0 2px 4px rgba(16, 19, 31, 0.05), 0 24px 48px -16px rgba(77, 107, 254, 0.22);
    --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
    --nav-h: 68px;
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
                 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

::selection { background: rgba(77, 107, 254, 0.18); }

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ---------- 导航 ---------- */
.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    transition: background 0.35s var(--ease-smooth), box-shadow 0.35s var(--ease-smooth),
                border-color 0.35s var(--ease-smooth), backdrop-filter 0.35s var(--ease-smooth);
    border-bottom: 1px solid transparent;
}

.site-nav.scrolled {
    background: rgba(255, 255, 255, 0.78);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    backdrop-filter: saturate(180%) blur(16px);
    border-bottom-color: var(--line);
    box-shadow: 0 1px 0 rgba(16, 19, 31, 0.03);
}

.nav-inner { display: flex; align-items: center; gap: 28px; }

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-right: auto;
    font-weight: 700;
}

.brand-logo { width: 30px; height: 30px; }

.brand-name { font-size: 18px; letter-spacing: 0.5px; }
.brand-en { font-size: 12px; color: var(--ink-3); font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 6px; }

.nav-links a {
    position: relative;
    padding: 8px 14px;
    font-size: 15px;
    color: var(--ink-2);
    border-radius: 8px;
    transition: color 0.25s var(--ease-smooth), background 0.25s var(--ease-smooth);
}

.nav-links a:hover { color: var(--ink); background: rgba(16, 19, 31, 0.05); }

.nav-links a.active { color: var(--accent); font-weight: 600; }

.nav-links a.active::after {
    content: "";
    position: absolute;
    left: 50%; bottom: 2px;
    transform: translateX(-50%);
    width: 16px; height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

/* 登录/注册入口（桌面端：登录为文字链接、注册为主按钮） */
.nav-auth { display: flex; align-items: center; gap: 18px; }

.nav-auth-item { display: none; }

.nav-login {
    font-size: 15px;
    font-weight: 600;
    color: var(--ink-2);
    transition: color 0.25s var(--ease-smooth);
}

.nav-login:hover { color: var(--accent); }

.nav-cta {
    padding: 9px 20px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 999px;
    box-shadow: 0 6px 16px -6px rgba(77, 107, 254, 0.55);
    transition: transform 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -8px rgba(77, 107, 254, 0.65);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 22px; height: 2px;
    border-radius: 2px;
    background: var(--ink);
    transition: transform 0.3s var(--ease-smooth), opacity 0.3s var(--ease-smooth);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: calc(var(--nav-h) + 88px) 0 96px;
    overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.55;
    animation: blobFloat 14s ease-in-out infinite alternate;
}

.blob-a {
    width: 520px; height: 520px;
    left: -140px; top: -120px;
    background: radial-gradient(circle, rgba(77, 107, 254, 0.35), transparent 70%);
}

.blob-b {
    width: 480px; height: 480px;
    right: -120px; bottom: -160px;
    background: radial-gradient(circle, rgba(122, 92, 255, 0.28), transparent 70%);
    animation-delay: -7s;
}

@keyframes blobFloat {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(40px, 30px) scale(1.08); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(16, 19, 31, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 19, 31, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 25%, transparent 75%);
    mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 25%, transparent 75%);
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--accent);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(77, 107, 254, 0.22);
    border-radius: 999px;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 14px -6px rgba(77, 107, 254, 0.25);
}

.badge-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 3px rgba(47, 191, 113, 0.18);
    animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(47, 191, 113, 0.18); }
    50% { box-shadow: 0 0 0 6px rgba(47, 191, 113, 0.06); }
}

.hero-title {
    margin-top: 26px;
    font-size: clamp(38px, 5.2vw, 62px);
    line-height: 1.16;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.grad-text {
    background: linear-gradient(120deg, var(--accent) 10%, var(--accent-2) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 160% 100%;
    animation: gradShift 6s ease-in-out infinite alternate;
}

@keyframes gradShift {
    from { background-position: 0% 50%; }
    to   { background-position: 100% 50%; }
}

.hero-sub {
    margin-top: 22px;
    max-width: 480px;
    font-size: 17px;
    color: var(--ink-2);
}

.hero-actions {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 26px;
    font-size: 15.5px;
    font-weight: 600;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth),
                background 0.3s var(--ease-smooth), border-color 0.3s var(--ease-smooth);
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 10px 24px -8px rgba(77, 107, 254, 0.55);
}

.btn-primary:hover { box-shadow: 0 16px 32px -10px rgba(77, 107, 254, 0.65); }

.btn-primary:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-ghost {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--line);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover { border-color: rgba(77, 107, 254, 0.45); color: var(--accent); }

.hero-note {
    margin-top: 30px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--ink-3);
}

/* ---------- Hero 视觉卡片 ---------- */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.card-glow {
    position: absolute;
    inset: 8% 4%;
    background: linear-gradient(135deg, rgba(77, 107, 254, 0.22), rgba(122, 92, 255, 0.16));
    filter: blur(48px);
    border-radius: 40px;
    z-index: 0;
}

.terminal {
    position: relative;
    z-index: 1;
    width: min(440px, 100%);
    background: rgba(255, 255, 255, 0.86);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transform: rotate(-1deg);
    transition: transform 0.5s var(--ease-smooth), box-shadow 0.5s var(--ease-smooth);
}

.hero-visual:hover .terminal {
    transform: rotate(0deg) translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    background: rgba(247, 248, 251, 0.8);
}

.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }

.terminal-title {
    margin-left: 8px;
    font-size: 12.5px;
    color: var(--ink-3);
    letter-spacing: 0.4px;
}

.terminal-body { padding: 22px 22px 26px; font-family: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace; }

.t-line { font-size: 14px; color: var(--ink); line-height: 2.05; }

.t-prompt { color: var(--accent); font-weight: 700; }

.t-muted { color: var(--ink-3); padding-left: 20px; }

.t-ok { color: #1ea36b; padding-left: 20px; }

.t-cursor { color: var(--accent); animation: blink 1.1s steps(1) infinite; }

@keyframes blink { 50% { opacity: 0; } }

.float-chip {
    position: absolute;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    animation: chipFloat 5s ease-in-out infinite;
}

.chip-top { top: 7%; right: -4%; }
.chip-bottom { bottom: 4%; left: -6%; animation-delay: -2.5s; }

@keyframes chipFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    z-index: 5;
}

.mouse {
    display: block;
    width: 24px; height: 38px;
    border: 2px solid var(--ink-3);
    border-radius: 14px;
    opacity: 0.6;
}

.wheel {
    display: block;
    width: 4px; height: 8px;
    margin: 6px auto 0;
    border-radius: 3px;
    background: var(--accent);
    animation: wheel 1.8s ease-in-out infinite;
}

@keyframes wheel {
    0%   { transform: translateY(0); opacity: 1; }
    70%  { transform: translateY(10px); opacity: 0; }
    100% { transform: translateY(0); opacity: 0; }
}

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }

.section-soft {
    background: linear-gradient(180deg, var(--bg) 0%, #eef0f9 100%);
}

.section-head {
    max-width: 640px;
    margin: 0 auto 60px;
    text-align: center;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
}

.section-title {
    margin-top: 18px;
    font-size: clamp(28px, 3.6vw, 40px);
    font-weight: 800;
    letter-spacing: -0.3px;
    line-height: 1.25;
}

.section-desc {
    margin-top: 14px;
    font-size: 16px;
    color: var(--ink-2);
}

/* ---------- 能力卡片（6 张，3 列） ---------- */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.service-card {
    position: relative;
    padding: 30px 26px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: transform 0.45s var(--ease-smooth), box-shadow 0.45s var(--ease-smooth),
                border-color 0.45s var(--ease-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(77, 107, 254, 0.35);
}

.card-icon {
    width: 52px; height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    margin-bottom: 20px;
    transition: transform 0.45s var(--ease-smooth);
}

.service-card:hover .card-icon { transform: scale(1.08) rotate(-4deg); }

.card-icon svg { width: 26px; height: 26px; }

.icon-blue   { color: var(--accent);   background: rgba(77, 107, 254, 0.1); }
.icon-violet { color: var(--accent-2); background: rgba(122, 92, 255, 0.1); }
.icon-green  { color: #1ea36b;         background: rgba(47, 191, 113, 0.1); }
.icon-orange { color: #e08a2c;         background: rgba(245, 158, 66, 0.12); }
.icon-cyan   { color: #0e9aa7;         background: rgba(14, 154, 167, 0.1); }
.icon-pink   { color: #d6409f;         background: rgba(214, 64, 159, 0.1); }

.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }

.service-card p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 支持通道卡片（短信/邮件/Bark） ---------- */
.channel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.channel-card {
    position: relative;
    padding: 30px 28px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform 0.45s var(--ease-smooth), box-shadow 0.45s var(--ease-smooth),
                border-color 0.45s var(--ease-smooth);
}

.channel-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-smooth);
}

.channel-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(77, 107, 254, 0.35);
}

.channel-card:hover::before { transform: scaleX(1); }

.channel-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.channel-top .card-icon { margin-bottom: 0; flex: none; }

.channel-meta h3 { font-size: 20px; font-weight: 700; line-height: 1.3; }

.channel-tag {
    display: inline-block;
    margin-top: 5px;
    padding: 3px 11px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
}

.channel-desc {
    font-size: 14.5px;
    color: var(--ink-2);
    margin-bottom: 16px;
}

.channel-feats {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.channel-feats li {
    position: relative;
    padding-left: 20px;
    font-size: 13.5px;
    color: var(--ink-2);
}

.channel-feats li::before {
    content: "";
    position: absolute;
    left: 2px; top: 5px;
    width: 6px; height: 11px;
    border-right: 2px solid #1ea36b;
    border-bottom: 2px solid #1ea36b;
    transform: rotate(45deg);
}

/* ---------- 接入流程 ---------- */
.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.value-item {
    position: relative;
    padding: 34px 30px 30px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.45s var(--ease-smooth), box-shadow 0.45s var(--ease-smooth),
                background 0.45s var(--ease-smooth);
}

.value-item::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-smooth);
}

.value-item:hover {
    transform: translateY(-6px);
    background: var(--surface);
    box-shadow: var(--shadow-card-hover);
}

.value-item:hover::before { transform: scaleX(1); }

.value-num {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 2px;
    color: transparent;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
}

.value-item h3 { font-size: 19px; font-weight: 700; margin: 12px 0 10px; }

.value-item p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 联系方式 ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 28px 26px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: transform 0.45s var(--ease-smooth), box-shadow 0.45s var(--ease-smooth),
                border-color 0.45s var(--ease-smooth);
}

a.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(77, 107, 254, 0.35);
}

.contact-icon {
    flex: none;
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    color: var(--accent);
    background: var(--accent-soft);
}

.contact-icon svg { width: 23px; height: 23px; }

.contact-icon img { width: 26px; height: 26px; }

.contact-info h3 { font-size: 15px; color: var(--ink-3); font-weight: 500; }

.contact-info p { font-size: 16px; font-weight: 600; margin-top: 4px; word-break: break-all; }

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--footer-bg);
    color: #a8aec2;
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1.4fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-footer { color: #fff; margin-right: 0; }

/* 页脚为深色背景，黑色 Logo 反相为白色显示 */
.footer-logo { width: 26px; height: 26px; filter: invert(1) brightness(1.1); }

.footer-slogan {
    margin-top: 14px;
    font-size: 14px;
    color: #7c8299;
    max-width: 260px;
}

.footer-col { display: flex; flex-direction: column; gap: 10px; }

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #eef0f6;
    margin-bottom: 8px;
}

.footer-col a {
    font-size: 14px;
    color: #a8aec2;
    transition: color 0.25s var(--ease-smooth), transform 0.25s var(--ease-smooth);
    width: fit-content;
}

.footer-col a:hover { color: #fff; transform: translateX(3px); }

.footer-col p { font-size: 14px; line-height: 1.9; }

.footer-col p a {
    color: #c9cede;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.28);
    transition: color 0.25s var(--ease-smooth), border-color 0.25s var(--ease-smooth);
}

.footer-col p a:hover { color: #fff; border-bottom-color: #fff; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 22px 28px;
    font-size: 13.5px;
    color: #7c8299;
}

#beian-link { color: #7c8299; transition: color 0.25s var(--ease-smooth); }
#beian-link:hover { color: #fff; }

/* ============================================================
   认证页（登录 / 注册）：与落地页同一设计语言
   ============================================================ */
.auth-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-screen {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 88px 20px 56px;
    overflow: hidden;
}

.auth-bg { position: absolute; inset: 0; pointer-events: none; }

.auth-bg .blob { opacity: 0.45; }
.auth-bg .blob-a { width: 460px; height: 460px; left: -120px; top: -120px; }
.auth-bg .blob-b { width: 420px; height: 420px; right: -100px; bottom: -140px; }

.auth-bg .grid-overlay {
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
}

.auth-card {
    position: relative;
    z-index: 1;
    width: min(420px, 100%);
    padding: 38px 36px 30px;
    background: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card-hover);
    animation: cardIn 0.7s var(--ease-smooth);
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(22px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--ink);
}

.auth-brand .brand-logo { width: 34px; height: 34px; }

.auth-title {
    margin-top: 26px;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.auth-sub {
    margin-top: 8px;
    font-size: 14.5px;
    color: var(--ink-3);
}

.auth-form { margin-top: 26px; }

.field { margin-bottom: 16px; }

.field label {
    display: block;
    margin-bottom: 7px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--ink-2);
}

.field input {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.25s var(--ease-smooth), box-shadow 0.25s var(--ease-smooth);
}

.field input::placeholder { color: #b3b9c9; }

.field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(77, 107, 254, 0.14);
}

.auth-error {
    margin-bottom: 16px;
    padding: 10px 14px;
    font-size: 13.5px;
    color: var(--danger);
    background: rgba(229, 72, 77, 0.08);
    border: 1px solid rgba(229, 72, 77, 0.25);
    border-radius: var(--radius-sm);
}

.auth-submit {
    width: 100%;
    justify-content: center;
    padding: 13px 26px;
    margin-top: 6px;
}

.auth-links {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: var(--ink-3);
}

.auth-links a {
    color: var(--accent);
    font-weight: 500;
    transition: color 0.25s var(--ease-smooth);
}

.auth-links a:hover { color: var(--accent-2); }

.dot-sep { color: var(--line); }

/* 登录成功态 */
.auth-success { margin-top: 28px; text-align: center; }

.success-icon {
    width: 62px; height: 62px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #1ea36b;
    background: rgba(47, 191, 113, 0.12);
}

.success-icon svg { width: 30px; height: 30px; }

.auth-success h2 { font-size: 20px; font-weight: 700; }

.auth-success p {
    margin: 10px auto 22px;
    max-width: 300px;
    font-size: 14px;
    color: var(--ink-2);
}

/* 注册未开放提示 */
.register-locked { margin-top: 30px; text-align: center; }

.lock-icon {
    width: 62px; height: 62px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--accent);
    background: var(--accent-soft);
}

.lock-icon svg { width: 30px; height: 30px; }

.register-locked h2 { font-size: 20px; font-weight: 700; }

.register-locked p {
    margin: 10px auto 0;
    max-width: 310px;
    font-size: 14px;
    color: var(--ink-2);
}

/* 认证页精简页脚（与落地页保持一致的备案与年份逻辑） */
.auth-footer {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 18px;
    padding: 20px;
    font-size: 13px;
    color: #7c8299;
    text-align: center;
}

.auth-footer a { color: #7c8299; transition: color 0.25s var(--ease-smooth); }
.auth-footer a:hover { color: var(--accent); }

/* ---------- 滚动入场动画 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s var(--ease-smooth), transform 0.9s var(--ease-smooth);
    transition-delay: var(--reveal-delay, 0s);
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 64px; text-align: center; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-note { justify-content: center; }
    .hero-visual { margin-top: 8px; }
    .chip-top { right: 2%; }
    .chip-bottom { left: 2%; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .channel-grid { grid-template-columns: repeat(2, 1fr); }
    .channel-card:last-child { grid-column: span 2; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --nav-h: 60px; }

    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 14px 20px 22px;
        background: rgba(255, 255, 255, 0.96);
        -webkit-backdrop-filter: blur(18px);
        backdrop-filter: blur(18px);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 24px 40px -20px rgba(16, 19, 31, 0.18);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.35s var(--ease-smooth), opacity 0.35s var(--ease-smooth);
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links a { padding: 13px 16px; font-size: 16px; border-radius: 10px; }
    .nav-links a.active::after { display: none; }

    /* 移动端：登录/注册入口收入汉堡菜单 */
    .nav-auth { display: none; }
    .nav-auth-item { display: block; font-weight: 600; }
    .nav-toggle { display: flex; }

    .hero { padding-top: calc(var(--nav-h) + 56px); }
    .hero-badge { font-size: 12.5px; }
    .scroll-hint { display: none; }
    .chip-top { top: 2%; }
    .chip-bottom { bottom: -2%; }

    .section { padding: 68px 0; }
    .section-head { margin-bottom: 42px; }

    .service-grid, .value-grid, .contact-grid, .channel-grid { grid-template-columns: 1fr; gap: 16px; }
    .channel-card:last-child { grid-column: auto; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; align-items: center; text-align: center; }

    .auth-screen { padding: 76px 16px 40px; }
    .auth-card { padding: 30px 24px 26px; }
}

/* ---------- 减弱动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001s !important;
    }
    .reveal { opacity: 1; transform: none; }
}