/* ==========================================================================
   好编落地页样式
   复用官网 style.css 的 CSS 变量（--primary / --brand-grad / --text-main 等），
   视觉与主站保持一致。布局以「左文右图 / 左图右文」交替的图文区块为主。
   ========================================================================== */

/* 官网 header 是 fixed 定位，内容区要留出对应高度 */
.hb-main {
    padding-top: var(--header-h, 64px);
}

.hb-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.hb-center {
    text-align: center;
}

/* ==========================================================================
   Hero：左文右图
   ========================================================================== */
.hb-hero {
    padding: 72px 0 88px;
    background:
        radial-gradient(1100px 460px at 18% -12%, rgba(255, 136, 0, 0.13), transparent 62%),
        radial-gradient(900px 420px at 92% 8%, rgba(255, 36, 66, 0.09), transparent 60%),
        linear-gradient(180deg, #fffaf4 0%, #ffffff 100%);
    overflow: hidden;
}

.hb-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 60px;
    align-items: center;
}

.hb-eyebrow {
    display: inline-block;
    padding: 6px 16px;
    margin-bottom: 20px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid rgba(255, 136, 0, 0.35);
    color: var(--primary, #FF8800);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.4px;
}

.hb-hero-title {
    font-size: 54px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    color: var(--text-main, #333);
    margin-bottom: 22px;
}

.hb-hero-title-sub {
    display: inline-block;
    margin-top: 10px;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: var(--brand-grad, linear-gradient(135deg, #FF8800, #FF2442));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--primary, #FF8800);
}

.hb-hero-desc {
    font-size: 17px;
    line-height: 1.85;
    color: var(--text-secondary, #666);
    margin-bottom: 30px;
    max-width: 460px;
}

.hb-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 26px;
}

.hb-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hb-badge {
    padding: 6px 14px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border, #eee);
    font-size: 13px;
    color: var(--text-secondary, #666);
}

/* 首屏产品截图：轻微的 3D 倾斜，鼠标移上去复位 */
.hb-hero-visual img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 14px;
    border: 1px solid rgba(0, 0, 0, 0.10);
    box-shadow: 0 34px 70px -24px rgba(0, 0, 0, 0.42),
                0 8px 20px -8px rgba(0, 0, 0, 0.18);
    transform: perspective(1600px) rotateY(-5deg) rotateX(1.5deg);
    transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.3, 1);
}

.hb-hero-visual:hover img {
    transform: perspective(1600px) rotateY(0deg) rotateX(0deg);
}

/* ==========================================================================
   按钮
   ========================================================================== */
.hb-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 34px;
    border-radius: 28px;
    background: var(--brand-grad, linear-gradient(135deg, #FF8800, #FF2442));
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    box-shadow: 0 8px 22px rgba(255, 136, 0, 0.32);
    transition: transform 0.2s, box-shadow 0.2s;
}

.hb-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 136, 0, 0.42);
    color: #fff;
}

.hb-btn-lg {
    padding: 16px 46px;
    font-size: 17px;
}

.hb-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: 28px;
    border: 2px solid var(--border, #eee);
    color: var(--text-secondary, #666);
    font-size: 16px;
    text-decoration: none;
    background: #fff;
    transition: all 0.2s;
}

.hb-btn-ghost:hover {
    border-color: var(--primary, #FF8800);
    color: var(--primary, #FF8800);
    background: var(--primary-bg, #fff5e6);
}

/* ==========================================================================
   通用区块标题
   ========================================================================== */
.hb-section-title {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main, #333);
    margin-bottom: 12px;
    text-align: center;
}

.hb-section-sub {
    text-align: center;
    font-size: 16px;
    color: var(--text-light, #999);
    margin-bottom: 56px;
}

.hb-text {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary, #666);
}

.hb-text a {
    color: var(--primary, #FF8800);
    text-decoration: underline;
}

/* ==========================================================================
   核心功能：图文交替
   ========================================================================== */
.hb-showcase {
    padding: 88px 0 40px;
    background: #fff;
}

.hb-row {
    display: grid;
    grid-template-columns: 1.18fr 1fr;
    gap: 68px;
    align-items: center;
    margin-bottom: 92px;
}

/* 图片在右：交换两列顺序 */
.hb-row-reverse .hb-row-media {
    order: 2;
}

.hb-row-reverse .hb-row-text {
    order: 1;
}

.hb-row-media img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 14px;
    border: 1px solid rgba(0, 0, 0, 0.09);
    box-shadow: 0 22px 46px -18px rgba(0, 0, 0, 0.34);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.hb-row-media img:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 58px -18px rgba(0, 0, 0, 0.40);
}

/* 序号：大号浅色数字做视觉锚点 */
.hb-num {
    display: block;
    font-size: 54px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -2px;
    color: var(--primary, #FF8800);
    opacity: 0.20;
    margin-bottom: 10px;
}

.hb-row-title {
    font-size: 27px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main, #333);
    margin-bottom: 14px;
}

.hb-row-desc {
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-secondary, #666);
    margin-bottom: 22px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border, #eee);
}

/* 功能要点：橙色对勾 */
.hb-points {
    list-style: none;
    margin: 0;
    padding: 0;
}

.hb-points li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary, #666);
}

.hb-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary, #FF8800);
}

.hb-points li strong {
    color: var(--text-main, #333);
    font-weight: 600;
}

/* ==========================================================================
   还有这些（补充功能，小卡片四列）
   ========================================================================== */
.hb-more {
    padding: 40px 0 88px;
    background: #fff;
}

.hb-more-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.hb-more-item {
    padding: 22px 22px 20px;
    border-radius: 12px;
    background: #fafafa;
    border: 1px solid var(--border, #eee);
    transition: all 0.22s;
}

.hb-more-item:hover {
    background: #fff;
    border-color: var(--primary, #FF8800);
    transform: translateY(-3px);
    box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.18);
}

.hb-more-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main, #333);
    margin-bottom: 8px;
}

.hb-more-item p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-light, #999);
}

/* ==========================================================================
   为什么选择好编
   ========================================================================== */
.hb-section {
    padding: 80px 0;
}

.hb-section-alt {
    background: #fafafa;
    border-top: 1px solid var(--border, #eee);
    border-bottom: 1px solid var(--border, #eee);
}

.hb-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.hb-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

.hb-feature {
    background: #fff;
    border: 1px solid var(--border, #eee);
    border-radius: 14px;
    padding: 26px 22px;
    text-align: center;
    transition: all 0.25s;
}

.hb-feature:hover {
    border-color: var(--primary, #FF8800);
    transform: translateY(-4px);
    box-shadow: 0 12px 26px -12px rgba(0, 0, 0, 0.16);
}

.hb-feature-icon {
    font-size: 28px;
    line-height: 1;
    margin-bottom: 14px;
}

.hb-feature h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main, #333);
    margin-bottom: 10px;
}

.hb-feature p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary, #666);
}

/* ==========================================================================
   下载区
   ========================================================================== */
.hb-download {
    background:
        radial-gradient(900px 320px at 50% 0%, rgba(255, 36, 66, 0.10), transparent 65%),
        linear-gradient(180deg, #ffffff 0%, #fffaf3 100%);
}

.hb-download .hb-text {
    max-width: 620px;
    margin: 0 auto 30px;
}

.hb-tip {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-light, #999);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1100px) {
    .hb-grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
    .hb-more-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hb-row {
        gap: 44px;
    }
}

@media (max-width: 900px) {
    /* 平板 / 手机：Hero 与图文区块统一改成单列，图片在上 */
    .hb-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hb-hero-title {
        font-size: 40px;
    }
    .hb-hero-title-sub {
        font-size: 21px;
    }
    .hb-hero-desc {
        max-width: none;
    }
    .hb-hero-visual img {
        transform: none;
    }
    .hb-row,
    .hb-row-reverse {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 64px;
    }
    .hb-row-reverse .hb-row-media,
    .hb-row-reverse .hb-row-text {
        order: 0;
    }
}

@media (max-width: 768px) {
    .hb-hero {
        padding: 44px 0 56px;
    }
    .hb-hero-title {
        font-size: 32px;
        letter-spacing: -0.5px;
    }
    .hb-hero-title-sub {
        font-size: 18px;
    }
    .hb-hero-desc {
        font-size: 15px;
    }
    .hb-showcase {
        padding: 56px 0 24px;
    }
    .hb-section {
        padding: 56px 0;
    }
    .hb-section-title {
        font-size: 26px;
    }
    .hb-section-sub {
        margin-bottom: 36px;
    }
    .hb-container {
        padding: 0 16px;
    }
    .hb-grid,
    .hb-grid-5,
    .hb-more-grid {
        grid-template-columns: 1fr;
    }
    .hb-row-title {
        font-size: 22px;
    }
    .hb-num {
        font-size: 40px;
    }
    .hb-btn-primary,
    .hb-btn-ghost {
        width: 100%;
    }
    .hb-points li {
        font-size: 14px;
    }
}

/* ==========================================================================
   内容页（关于我们 / 常见问题 / 好编帮助）通用组件
   ========================================================================== */
.hb-lead {
    max-width: 760px;
    margin: 0 auto 8px;
    text-align: center;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary, #666);
}

.hb-doc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.hb-doc-card {
    padding: 24px 26px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--border, #eee);
}

.hb-doc-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main, #333);
    margin-bottom: 10px;
}

.hb-doc-card p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary, #666);
}

.hb-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
    color: var(--primary, #FF8800);
    text-decoration: none;
}

.hb-link:hover {
    text-decoration: underline;
}

/* 问答（FAQ 页与帮助页共用） */
.hb-faq {
    margin-top: 32px;
}

.hb-faq-item {
    padding: 22px 26px;
    margin-bottom: 14px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--border, #eee);
}

.hb-faq-q {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main, #333);
    margin-bottom: 10px;
}

.hb-faq-a {
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-secondary, #666);
}

.hb-faq-a a {
    color: var(--primary, #FF8800);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hb-doc-grid {
        grid-template-columns: 1fr;
    }
    .hb-doc-card,
    .hb-faq-item {
        padding: 18px 20px;
    }
}