/**
 * 齐合智汇 品牌首页 - 独立视觉样式
 * 作用域统一 bh- 前缀，完全隔离插件广场样式，避免类名冲突
 * 主色沿用平台橙红 #FF4D00 / #FF6A2B
 */

/* ================= 页面基底 ================= */
.brand-homepage {
    background: #FFFFFF;
    color: #0F172A;
    -webkit-font-smoothing: antialiased;
}

/* ================= Hero 主视觉 ================= */
.bh-hero {
    position: relative;
    overflow: hidden;
    min-height: 620px;
    padding: 96px 24px 0;
    background:
        radial-gradient(1100px 620px at 50% -14%, rgba(255, 77, 0, 0.13), transparent 68%),
        linear-gradient(180deg, #FFFFFF 0%, #FFF9F5 52%, #FFFFFF 100%);
}

/* 细网格纹理 */
.bh-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(circle at 50% 24%, #000 0%, transparent 70%);
    mask-image: radial-gradient(circle at 50% 24%, #000 0%, transparent 70%);
    pointer-events: none;
}

/* 柔光球 */
.bh-hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(96px);
    pointer-events: none;
    opacity: 0.55;
}

.bh-glow-a {
    width: 460px;
    height: 460px;
    top: -160px;
    left: 8%;
    background: rgba(255, 106, 43, 0.28);
}

.bh-glow-b {
    width: 520px;
    height: 520px;
    top: -220px;
    right: 4%;
    background: rgba(255, 77, 0, 0.18);
}

.bh-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1180px;
    margin: 0 auto;
    text-align: center;
}

/* 顶部徽标 */
.bh-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 77, 0, 0.16);
    box-shadow: 0 6px 24px rgba(255, 77, 0, 0.08);
    font-size: 13px;
    font-weight: 500;
    color: #475569;
    letter-spacing: 0.2px;
}

.bh-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10B981;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.14);
	}

/* 主标题 */
.bh-hero h1 {
    margin: 30px 0 0;
    font-size: 66px;
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -2.5px;
    color: #0F172A;
}

.bh-hero h1 .bh-grad {
    background: linear-gradient(118deg, #FF4D00 0%, #FF8A3D 82%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* 副标题 */
.bh-hero-sub {
    margin: 26px auto 0;
    max-width: 700px;
    font-size: 18px;
    line-height: 1.9;
    color: #64748B;
    letter-spacing: 0.2px;
}

/* 搜索框 */
.bh-search-wrap {
    margin: 44px auto 0;
    max-width: 700px;
    padding: 0;
}

.bh-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: #FFFFFF;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 20px;
    box-shadow:
        0 24px 64px rgba(15, 23, 42, 0.10),
        0 2px 10px rgba(15, 23, 42, 0.04);
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.bh-search:focus-within {
    border-color: rgba(255, 77, 0, 0.35);
    box-shadow:
        0 28px 70px rgba(255, 77, 0, 0.14),
        0 2px 10px rgba(15, 23, 42, 0.05);
}

.bh-search input {
    flex: 1;
    min-width: 0;
    height: 54px;
    padding: 0 20px;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 16px;
    color: #0F172A;
}

.bh-search input::placeholder {
    color: #94A3B8;
}

.bh-search button {
    flex-shrink: 0;
    height: 54px;
    padding: 0 34px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, #FF4D00, #FF6A2B);
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(255, 77, 0, 0.30);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bh-search button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 30px rgba(255, 77, 0, 0.38);
}

/* 搜索下方快捷词 */
.bh-hero-tags {
    margin: 22px auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: #94A3B8;
}

.bh-hero-tags a {
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(15, 23, 42, 0.07);
    color: #475569;
    text-decoration: none;
    transition: all 0.2s ease;
}

.bh-hero-tags a:hover {
    color: #FF4D00;
    border-color: rgba(255, 77, 0, 0.3);
    background: #FFF4EE;
}

/* ================= 价值标签条 ================= */
.bh-stats {
    position: relative;
    z-index: 3;
    max-width: 1000px;
    margin: 64px auto -56px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: #FFFFFF;
    border: 1px solid rgba(15, 23, 42, 0.05);
    border-radius: 22px;
    box-shadow: 0 26px 70px rgba(15, 23, 42, 0.09);
    overflow: hidden;
}

.bh-stat {
    position: relative;
    padding: 26px 16px;
}

.bh-stat + .bh-stat::before {
    content: '';
    position: absolute;
    left: 0;
    top: 22px;
    bottom: 22px;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.10), transparent);
}

.bh-stat-icon {
    font-size: 20px;
    line-height: 1;
    margin-bottom: 12px;
}

.bh-stat-title {
    font-size: 16px;
    font-weight: 700;
    color: #0F172A;
    letter-spacing: -0.2px;
}

.bh-stat-desc {
    margin-top: 7px;
    font-size: 12.5px;
    line-height: 1.6;
    color: #94A3B8;
}

/* ================= 通用区块 ================= */
.bh-section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 104px 24px 0;
}

.bh-section-head {
    margin-bottom: 40px;
}

.bh-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.4px;
    color: #FF4D00;
    text-transform: uppercase;
}

.bh-section-head h2 {
    margin: 12px 0 0;
    font-size: 36px;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -0.8px;
    color: #0F172A;
}

.bh-section-head p {
    margin: 12px 0 0;
    font-size: 16px;
    line-height: 1.8;
    color: #64748B;
    max-width: 720px;
}

.bh-section-head-center {
    text-align: center;
}

.bh-section-head-center p {
    margin-left: auto;
    margin-right: auto;
}

/* ================= 能力卡片 ================= */
.bh-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.bh-feature {
    padding: 30px 26px;
    background: #FFFFFF;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 18px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.bh-feature:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 77, 0, 0.22);
    box-shadow: 0 20px 44px rgba(15, 23, 42, 0.09);
}

.bh-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: linear-gradient(135deg, rgba(255, 77, 0, 0.12), rgba(255, 138, 61, 0.06));
}

.bh-feature h3 {
    margin: 20px 0 10px;
    font-size: 17px;
    font-weight: 700;
    color: #0F172A;
}

.bh-feature p {
    margin: 0;
    font-size: 14px;
    line-height: 1.78;
    color: #64748B;
}

/* ================= 插件卡片 ================= */
.bh-plugins {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.bh-plugin {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: #FFFFFF;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 18px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.bh-plugin:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 77, 0, 0.22);
    box-shadow: 0 20px 44px rgba(15, 23, 42, 0.09);
}

.bh-plugin-icon {
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    border-radius: 15px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FF4D00, #FF8A3D);
    color: #FFFFFF;
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 8px 20px rgba(255, 77, 0, 0.22);
}

.bh-plugin-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.bh-plugin-body {
    min-width: 0;
    flex: 1;
}

.bh-plugin-body h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: #0F172A;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bh-plugin-body p {
    margin: 8px 0 0;
    font-size: 13px;
    line-height: 1.7;
    color: #64748B;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 44px;
}

.bh-plugin-meta {
    flex-basis: 100%;
    margin-top: 0;
    padding-top: 14px;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.bh-chip {
    padding: 3px 9px;
    border-radius: 999px;
    background: #F8FAFC;
    border: 1px solid rgba(15, 23, 42, 0.06);
    font-size: 11.5px;
    line-height: 1.5;
    white-space: nowrap;
    color: #64748B;
}

.bh-chip-free {
    background: #ECFDF5;
    border-color: rgba(16, 185, 129, 0.25);
    color: #059669;
    font-weight: 600;
}

.bh-chip-pay {
    background: #FFF4EE;
    border-color: rgba(255, 77, 0, 0.22);
    color: #FF4D00;
    font-weight: 600;
}

.bh-chip-star {
    background: #FFFBEB;
    border-color: rgba(245, 158, 11, 0.28);
    color: #D97706;
    font-weight: 600;
}

.bh-chip-ver {
    background: #F1F5F9;
    border-color: rgba(15, 23, 42, 0.08);
    color: #475569;
    font-weight: 600;
}

.bh-more {
    margin-top: 28px;
    text-align: center;
}

.bh-more a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 12px;
    border: 1px solid rgba(15, 23, 42, 0.10);
    background: #FFFFFF;
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    text-decoration: none;
    transition: all 0.2s ease;
}

.bh-more a:hover {
    color: #FF4D00;
    border-color: rgba(255, 77, 0, 0.32);
    background: #FFF8F4;
}

/* ================= 开发者招募 ================= */
.bh-dev {
    position: relative;
    overflow: hidden;
    max-width: 1180px;
    margin: 56px auto 0;
    padding: 64px 56px;
    border-radius: 26px;
    background:
        radial-gradient(720px 320px at 88% -30%, rgba(255, 138, 61, 0.35), transparent 70%),
        linear-gradient(135deg, #0F172A 0%, #1E293B 62%, #2A1A12 100%);
    color: #FFFFFF;
}

.bh-dev::after {
    content: '';
    position: absolute;
    right: -80px;
    bottom: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: rgba(255, 77, 0, 0.22);
    filter: blur(90px);
    pointer-events: none;
}

.bh-dev-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.bh-dev-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.4px;
    color: #FF8A3D;
    text-transform: uppercase;
}

.bh-dev h2 {
    margin: 14px 0 0;
    font-size: 34px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.6px;
    color: #FFFFFF;
}

.bh-dev > .bh-dev-inner > div > p {
    margin: 16px 0 0;
    font-size: 15px;
    line-height: 1.85;
    color: #94A3B8;
}

.bh-dev-list {
    margin: 30px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 14px;
}

.bh-dev-list li {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    font-size: 14px;
    line-height: 1.7;
    color: #CBD5E1;
}

.bh-dev-list .bh-tick {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
    color: #FF8A3D;
    background: rgba(255, 138, 61, 0.14);
    border: 1px solid rgba(255, 138, 61, 0.28);
}

.bh-dev-cta {
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    z-index: 2;
}

.bh-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 28px;
    border-radius: 13px;
    background: linear-gradient(135deg, #FF4D00, #FF6A2B);
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 12px 32px rgba(255, 77, 0, 0.36);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bh-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(255, 77, 0, 0.44);
}

.bh-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #E2E8F0;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.bh-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.28);
}

/* ================= 下载客户端 ================= */
.bh-download {
    max-width: 1180px;
    margin: 32px auto 0;
    padding: 56px;
    border-radius: 26px;
    background: #F8FAFC;
    border: 1px solid rgba(15, 23, 42, 0.06);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
}

.bh-download h2 {
    margin: 12px 0 0;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.6px;
    color: #0F172A;
}

.bh-download p {
    margin: 14px 0 0;
    font-size: 15px;
    line-height: 1.8;
    color: #64748B;
    max-width: 620px;
}

.bh-download-facts {
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.bh-download-facts li {
    padding: 7px 14px;
    border-radius: 999px;
    background: #FFFFFF;
    border: 1px solid rgba(15, 23, 42, 0.07);
    font-size: 13px;
    color: #475569;
}

.bh-download-cta {
    display: flex;
    flex-direction: row;
    gap: 12px;
    margin-top: 28px;
}

.bh-download-shot {
    width: 460px;
    max-width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

.bh-shot-mock {
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
}

.bh-shot-titlebar {
    height: 32px;
    background: #F1F5F9;
    border-bottom: 1px solid #E2E8F0;
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 6px;
}

.bh-shot-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.bh-shot-dot-r { background: #FF5F57; }
.bh-shot-dot-y { background: #FEBC2E; }
.bh-shot-dot-g { background: #28C840; }

.bh-shot-title {
    margin-left: 8px;
    font-size: 11px;
    color: #94A3B8;
}

.bh-shot-body {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.bh-shot-sidebar {
    width: 120px;
    background: #F8FAFC;
    border-right: 1px solid #F1F5F9;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bh-shot-logo {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, #FF4D00, #FF6A2B);
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    margin-left: 2px;
}

.bh-shot-newchat {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    font-size: 11px;
    color: #334155;
    font-weight: 600;
    margin-bottom: 10px;
}

.bh-shot-newchat-ic {
    font-size: 14px;
    font-weight: 700;
}

.bh-shot-nav-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-radius: 7px;
    font-size: 11px;
    color: #475569;
}

.bh-shot-nav-ic {
    font-size: 12px;
    width: 14px;
    text-align: center;
}

.bh-shot-nav-active {
    background: rgba(255, 77, 0, 0.08);
    color: #FF4D00;
}

.bh-shot-ws {
    margin-top: 8px;
    padding: 6px 8px;
    font-size: 10px;
    color: #94A3B8;
}

.bh-shot-avatar {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 6px;
    border-radius: 8px;
}

.bh-shot-avatar-img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366F1, #8B5CF6);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bh-shot-avatar span {
    font-size: 10px;
    color: #64748B;
}

.bh-shot-main {
    flex: 1;
    padding: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #FFFFFF;
}

.bh-shot-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bh-shot-brand-logo {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: linear-gradient(135deg, #FF4D00, #FF6A2B);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bh-shot-brand-name {
    font-size: 13px;
    font-weight: 700;
    color: #0F172A;
}

.bh-shot-preview {
    font-size: 9px;
    font-weight: 500;
    color: #94A3B8;
    background: #F1F5F9;
    padding: 1px 6px;
    border-radius: 10px;
    margin-left: 4px;
    vertical-align: middle;
}

.bh-shot-session {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 11px;
    color: #64748B;
}

.bh-shot-session-tag {
    padding: 2px 8px;
    background: #F1F5F9;
    border-radius: 6px;
}

.bh-shot-input {
    width: 100%;
    border: 1px solid #E2E8F0;
    border-radius: 14px;
    padding: 10px 12px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
}

.bh-shot-input-ph {
    font-size: 11px;
    color: #CBD5E1;
    padding: 4px 2px 8px;
}

.bh-shot-input-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 6px;
    border-top: 1px solid #F1F5F9;
}

.bh-shot-input-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bh-shot-plus {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px solid #E2E8F0;
    color: #94A3B8;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bh-shot-ws-mod {
    font-size: 10px;
    color: #64748B;
}

.bh-shot-input-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.bh-shot-model {
    font-size: 10px;
    color: #64748B;
}

.bh-shot-tok {
    font-size: 8px;
    color: #FF4D00;
    background: rgba(255, 77, 0, 0.1);
    padding: 1px 5px;
    border-radius: 8px;
    margin-left: 3px;
}

.bh-shot-temp {
    font-size: 10px;
    color: #64748B;
    padding: 1px 6px;
    background: #F1F5F9;
    border-radius: 6px;
}

.bh-shot-send {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF4D00, #FF6A2B);
    color: #fff;
    border: none;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.bh-btn-solid {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 28px;
    border-radius: 13px;
    background: linear-gradient(135deg, #FF4D00, #FF6A2B);
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 12px 30px rgba(255, 77, 0, 0.30);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bh-btn-solid:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 38px rgba(255, 77, 0, 0.38);
}

.bh-btn-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 13px;
    background: #FFFFFF;
    border: 1px solid rgba(15, 23, 42, 0.10);
    color: #475569;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.bh-btn-light:hover {
    color: #FF4D00;
    border-color: rgba(255, 77, 0, 0.30);
}

/* 底部留白 */
.bh-tail {
    height: 96px;
}

/* ================= 图标（统一线性 SVG） ================= */
.bh-stat-icon svg,
.bh-feature-icon svg {
    display: block;
    color: #FF4D00;
}

.bh-shot-nav-ic svg {
    display: block;
    color: currentColor;
}

/* ================= 响应式 ================= */
@media (max-width: 1100px) {
    .bh-hero h1 { font-size: 54px; }
    .bh-features { grid-template-columns: repeat(2, 1fr); }
    .bh-plugins { grid-template-columns: repeat(2, 1fr); }
    .bh-dev-inner { grid-template-columns: 1fr; gap: 36px; }
    .bh-download { grid-template-columns: 1fr; gap: 32px; padding: 44px; }
}

@media (max-width: 768px) {
    .bh-hero { padding: 64px 18px 0; }
    .bh-hero h1 { font-size: 36px; letter-spacing: -1px; }
    .bh-hero-sub { font-size: 15px; margin-top: 18px; }
    .bh-search { flex-direction: column; padding: 12px; border-radius: 18px; }
    .bh-search input { width: 100%; height: 46px; }
    .bh-search button { width: 100%; height: 46px; }
    .bh-stats { grid-template-columns: repeat(2, 1fr); margin-top: 48px; margin-bottom: -36px; }
    .bh-stat { padding: 20px 14px; }
    .bh-stat:nth-child(3)::before { display: none; }
    .bh-stat-title { font-size: 15px; }
    .bh-stat-desc { font-size: 12px; }
    .bh-section { padding: 64px 18px 0; }
    .bh-section-head h2 { font-size: 26px; }
    .bh-features { grid-template-columns: 1fr; }
    .bh-plugins { grid-template-columns: 1fr; }
    .bh-dev { margin: 64px 18px 0; padding: 40px 26px; border-radius: 20px; }
    .bh-dev h2 { font-size: 26px; }
    .bh-download { margin: 20px 18px 0; padding: 32px 26px; border-radius: 20px; }
    .bh-download h2 { font-size: 24px; }
    .bh-tail { height: 56px; }
}

/* ================= 动画效果 ================= */

/* 光晕呼吸浮动 */
@keyframes bhGlowFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.55; }
    50% { transform: translate(20px, -14px) scale(1.06); opacity: 0.72; }
}

.bh-glow-a { animation: bhGlowFloat 8s ease-in-out infinite; }
.bh-glow-b { animation: bhGlowFloat 10s ease-in-out infinite reverse; }

/* 标题渐变流动 */
@keyframes bhGradFlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.bh-hero h1 .bh-grad {
    background-size: 200% auto;
    animation: bhGradFlow 6s linear infinite;
}

/* 滚动渐入基础态 */
.bh-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.bh-reveal.bh-in {
    opacity: 1;
    transform: translateY(0);
}

/* 卡片悬停 */
.bh-stat,
.bh-feature {
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.bh-stat:hover {
    transform: translateY(-4px);
}

.bh-feature:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

/* 按钮微交互 */
.bh-btn-solid {
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.bh-btn-solid:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 77, 0, 0.32);
    filter: brightness(1.05);
}

/* 模拟界面输入光标闪烁 */
.bh-shot-input-ph::after {
    content: '|';
    color: #FF4D00;
    font-weight: 300;
    margin-left: 2px;
    animation: bhCursorBlink 1s step-end infinite;
}

@keyframes bhCursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* 模拟界面微抬升 */
.bh-download-shot {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.bh-download-shot:hover {
    transform: translateY(-6px);
    box-shadow: 0 32px 70px rgba(15, 23, 42, 0.22);
}

/* 开发者区光晕缓慢漂移 */
.bh-dev::after {
    animation: bhDevGlow 12s ease-in-out infinite;
}

@keyframes bhDevGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, -20px); }
}

/* 关键词标签悬停 */
.bh-hero-tags a {
    transition: all 0.25s ease;
}

.bh-hero-tags a:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 77, 0, 0.45);
    color: #FF4D00;
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
    .bh-glow-a,
    .bh-glow-b,
    .bh-hero h1 .bh-grad,
    .bh-dev::after,
    .bh-shot-input-ph::after {
        animation: none !important;
    }
    .bh-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}