/* ============================================================
   LeigodPro · EMLOG Pro 主题样式
   设计 token 取自 leigod.com 设计系统（深色电竞风）
   覆盖：导航 / 首页 / 列表 / 文章 / 独立页面 / 下载页 / 帮助页 / 评论 / 页脚
   ============================================================ */

/* ============ 设计 token ============ */
:root {
    --bg: #141414;
    --bg-nav: #1f1f1f;
    --bg-card: #1c1c1c;
    --orange: #f37f19;
    --orange-bright: #ffb62e;
    --orange-deep: #ff6a00;
    --text-hi: #ffffffe6;
    --text: rgba(255, 255, 255, .7);
    --text-dim: rgba(255, 255, 255, .5);
    --line: rgba(255, 255, 255, .09);
    --line-soft: rgba(255, 255, 255, .06);
    --radius: 14px;
    --radius-sm: 8px;
    --container: 1340px;
    --font: "Microsoft YaHei", "Source Han Sans CN", -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", STHeiti, Tahoma, Simsun, sans-serif;
    --gap-2xs: 6px;
    --gap-xs: 10px;
    --gap-sm: 16px;
    --gap-md: 22px;
    --gap-lg: 32px;
    --gap-xl: 48px;
}

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

html {
    scroll-behavior: smooth
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important
    }
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased
}

img {
    max-width: 100%;
    display: block
}

a {
    color: inherit;
    text-decoration: none
}

button {
    font-family: inherit;
    cursor: pointer;
    background: none;
    border: none;
    color: inherit
}

ul,
ol {
    list-style: none
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0
}

:focus-visible {
    outline: 2px solid var(--orange);
    outline-offset: 2px;
    border-radius: 4px
}

/* ============ 顶部导航 ============ */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #141414;
    backdrop-filter: blur(12px)
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    height: 64px
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0
}

.logo img {
    height: 26px;
    width: auto
}

.nav-links {
    display: none;
    align-items: center;
    gap: 6px;
    margin-left: 24px;
    flex: 1;
    min-width: 0
}

.nav-links .nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    font-size: 15px;
    color: var(--text);
    border-radius: 6px;
    transition: color .2s, background .2s
}

.nav-links a:hover {
    color: #fff;
    background: rgba(255, 255, 255, .06)
}

.nav-links a[aria-current="page"],
.nav-links .list-item.current>a {
    color: #fff;
    background: rgba(255, 255, 255, .08);
    font-weight: 600
}

/* 下拉菜单（导航含子导航时） */
.nav-links .list-item {
    position: relative
}

.nav-links .dropdown-menus {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 150px;
    padding: 6px;
    background: var(--bg-nav);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, .4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity .2s, transform .2s, visibility .2s;
    z-index: 120
}

.nav-links .list-item:hover .dropdown-menus {
    opacity: 1;
    visibility: visible;
    transform: none
}

.nav-links .dropdown-menus a {
    padding: 8px 12px;
    font-size: 14px;
    white-space: nowrap
}

.nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px
}

.nav-entry {
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 2px;
    background-color: #ffffffe6;
    color: #141414;
    font-size: 14px;
    justify-content: center;
    height: 32px;
    width: 104px;
}

.nav-entry:hover {
    filter: brightness(1.08)
}

.nav-entry:active {
    transform: scale(.97)
}

.nav-burger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    border: 1px solid var(--line);
    color: #fff;
    transition: background .2s
}

.nav-burger:hover {
    background: rgba(255, 255, 255, .06)
}

.nav-burger svg {
    width: 20px;
    height: 20px
}

@media (min-width:900px) {
    .nav-links {
        display: flex
    }

    .nav-burger {
        display: none
    }

    .nav-inner {
        height: 80px
    }

    .logo img {
        height: 32px
    }
}

.mobile-menu {
    position: fixed;
    inset: 64px 0 auto 0;
    z-index: 99;
    background: var(--bg-nav);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s
}

.mobile-menu.open {
    transform: none;
    opacity: 1;
    pointer-events: auto
}

.mobile-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    font-size: 16px;
    color: var(--text-hi);
    border-bottom: 1px solid var(--line-soft)
}

.mobile-menu a:active {
    background: rgba(255, 255, 255, .05)
}

.mobile-menu a[aria-current="page"] {
    color: var(--orange-bright)
}

.mobile-menu .mobile-cta {
    color: #141414;
    background: var(--orange-bright);
    font-weight: 700;
    justify-content: center
}

.mobile-menu a svg {
    width: 16px;
    height: 16px;
    opacity: .5
}

/* ============ 首页 Hero ============ */
.hero {
    position: relative;
    background: var(--bg);
    overflow: hidden;
    background-image: url('../assets/hero-bg.webp');
    background-position: 50% -80px;
    background-repeat: no-repeat;
}

.hero-inner {
    position: relative;
    min-height: 640px;
    padding: 44px 20px 60px
}

.hero-char {
    width: clamp(130px, 32vw, 244px);
    border-radius: 10px;
    margin: 0 0 26px;
}

@keyframes floatY {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-8px)
    }
}

.hero-copy {
    position: relative;
    z-index: 2;
    max-width: 640px
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 30px;
    color: var(--text-hi);
    font-weight: 700;
    letter-spacing: .5px
}

.hero-platforms {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    margin: 12px 0 6px;
    font-size: 16px;
    color: var(--text)
}

.hero-platforms .badge2013 {
    height: 26px;
    width: auto;
    margin-left: 2px
}

.hero-title {
    font-size: 42px;
    line-height: 1.15;
    font-weight: 700;
    color: var(--text-hi);
    margin: 14px 0 18px
}

.hero-title .grad {
    background: linear-gradient(92deg, #fff 10%, var(--orange-bright) 55%, var(--orange) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.hero-subtitle {
    margin: 12px 0 20px;
    color: rgba(255, 255, 255, .72);
    font-size: 18px;
    line-height: 1.7
}

.hero-cta {
    display: flex;
    flex-wrap: nowrap;
    gap: 14px
}

.btn-free {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 34px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--orange-bright), var(--orange) 60%, var(--orange-deep));
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(243, 127, 25, .35);
    transition: filter .2s, transform .15s
}

.btn-free:hover {
    filter: brightness(1.07)
}

.btn-free:active {
    transform: scale(.97)
}

.btn-dl {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    width: 100%;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--line);
    transition: background .2s, border-color .2s
}

.btn-dl:hover {
    background: rgba(255, 255, 255, .09);
    border-color: rgba(255, 255, 255, .18)
}

.btn-dl .ico {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    color: var(--text-hi)
}

.btn-dl .ico i {
    width: 100%;
    height: 100%;
    font-size: 30px;
}

.btn-dl .t {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-hi);
    line-height: 1.3
}

.btn-dl .s {
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.3
}

.hero-mascot {
    position: absolute;
    right: 8px;
    bottom: 130px;
    width: 200px;
    animation: floatDiag 6s ease-in-out infinite
}

@media (min-width:768px) {
    .hero-inner {
        padding-top: 22px
    }

    .hero-mascot {
        width: 350px;
        right: 163px;
        top: 155px;
    }
}

@keyframes floatDiag {

    0%,
    100% {
        transform: translate(0, 0)
    }

    50% {
        transform: translate(-10px, -12px)
    }
}

@media (max-width:767px) {
    .hero-title {
        font-size: 36px
    }

    .hero-mascot {
        opacity: .88;
        right: -18px
    }
}

/* ============ 通用内容模块 ============ */
.home-section {
    padding: 88px 0;
    background: #141414
}

.home-section.alt {
    background: #191919
}

.section-head {
    max-width: 720px;
    margin: 0 auto 38px;
    text-align: center
}

.section-head .eyebrow {
    color: var(--orange);
    font-size: 12px;
    letter-spacing: .16em;
    font-weight: 700
}

.section-head h2 {
    margin: 10px 0 12px;
    color: #fff;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.2
}

.section-head p {
    color: var(--text-dim);
    font-size: 16px
}

@media (max-width:560px) {
    .home-section {
        padding: 64px 0
    }
}

/* ---- 产品优势卡片 ---- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px
}

.feature-card {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: linear-gradient(145deg, #242424, #181818);
    min-height: 194px;
    transition: transform .25s, border-color .25s
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(243, 127, 25, .5)
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(243, 127, 25, .14);
    color: var(--orange-bright);
    font-size: 18px
}

.feature-card h3 {
    margin: 18px 0 8px;
    color: #fff;
    font-size: 18px
}

.feature-card p {
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.7
}

@media (max-width:900px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:560px) {
    .feature-grid {
        grid-template-columns: 1fr
    }

    .feature-card {
        min-height: auto
    }
}

/* ---- 问题快捷入口（首页） ---- */
.issue-inline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 30px;
    padding-top: 28px;
    border-top: 1px solid var(--line)
}

.issue-inline a {
    display: grid;
    grid-template-columns: 34px 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #1c1c1c;
    transition: transform .2s, border-color .2s
}

.issue-inline a:hover {
    transform: translateY(-3px);
    border-color: var(--orange)
}

.issue-inline i {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(243, 127, 25, .14);
    color: var(--orange-bright)
}

.issue-inline b {
    display: block;
    color: #fff;
    font-size: 14px
}

.issue-inline small {
    display: block;
    margin-top: 2px;
    color: var(--text-dim);
    font-size: 12px
}

.issue-inline strong {
    color: var(--orange-bright);
    font-size: 18px
}

@media (max-width:900px) {
    .issue-inline {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:560px) {
    .issue-inline {
        grid-template-columns: 1fr
    }
}

/* ---- 支持设备 ---- */
.device-visual {
    margin: 0 auto 28px;
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    background: #1c1c1c
}

.device-visual img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1200/420;
    object-fit: cover
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px
}

.platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #1d1d1d;
    color: #fff;
    transition: transform .2s, border-color .2s
}

.platform-card:hover {
    transform: translateY(-3px);
    border-color: var(--orange)
}

.platform-card i {
    font-size: 26px;
    color: var(--orange-bright);
    margin-bottom: 12px
}

.platform-card b {
    display: block;
    font-size: 15px
}

.platform-card small {
    display: block;
    margin-top: 4px;
    color: var(--text-dim);
    font-size: 12px
}

@media (max-width:900px) {
    .platform-grid {
        grid-template-columns: repeat(3, 1fr)
    }
}

@media (max-width:560px) {
    .platform-grid {
        grid-template-columns: 1fr
    }

    .platform-card {
        min-height: 88px;
        flex-direction: row;
        justify-content: flex-start;
        padding: 0 22px;
        gap: 14px
    }

    .platform-card i {
        margin: 0
    }
}

/* ---- 使用流程 ---- */
.steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    counter-reset: step
}

.step {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #1c1c1c
}

.step-number {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--orange);
    color: #171717;
    font-weight: 800
}

.step h3 {
    margin: 16px 0 7px;
    color: #fff;
    font-size: 16px
}

.step p {
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.6
}

.steps-hint {
    margin-top: 22px;
    text-align: center;
    font-size: 14px;
    color: var(--text-dim)
}

.steps-hint a {
    color: var(--orange-bright);
    font-weight: 600
}

@media (max-width:900px) {
    .steps {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:560px) {
    .steps {
        grid-template-columns: 1fr
    }
}

/* ---- 资讯网格（首页 / 列表页共用） ---- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px
}

/* 首页资讯区：与静态站一致的两列卡片 */
.news-grid--home {
    grid-template-columns: repeat(2, 1fr)
}

@media (max-width:900px) {
    .news-grid--home {
        grid-template-columns: 1fr
    }
}

.news-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(152deg, #212121, #181818);
    overflow: hidden;
    transition: transform .25s, border-color .25s
}

.news-card:hover {
    transform: translateY(-4px);
    border-color: rgba(243, 127, 25, .55)
}

.news-cover {
    position: relative;
    height: 158px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #3b2817, #1a1a1a);
    color: var(--orange-bright);
    font-size: 42px;
    overflow: hidden
}

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

.news-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(320px 160px at 50% 120%, rgba(243, 127, 25, .22), transparent 70%);
    pointer-events: none
}

.news-cover i {
    position: relative;
    z-index: 1
}

.news-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px
}

.news-tag {
    display: inline-block;
    align-self: flex-start;
    margin-bottom: 10px;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(243, 127, 25, .13);
    color: var(--orange-bright);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6
}

.news-body h2,
.news-body h3 {
    color: #fff;
    font-size: 17px;
    line-height: 1.45;
    font-weight: 700;
    margin-bottom: 8px
}

.news-body p {
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden
}

.news-foot {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 14px;
    border-top: 1px solid var(--line-soft)
}

.news-foot time {
    color: var(--text-dim);
    font-size: 12.5px
}

.news-more {
    color: var(--orange-bright);
    font-size: 13.5px;
    font-weight: 600
}

@media (max-width:900px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:560px) {
    .news-grid {
        grid-template-columns: 1fr
    }

    .news-cover {
        height: 140px
    }
}

/* ---- FAQ ---- */
.faq-list {
    max-width: 860px;
    margin: auto
}

.faq-list details {
    border-bottom: 1px solid var(--line);
    padding: 20px 0
}

.faq-list summary {
    cursor: pointer;
    color: #fff;
    font-weight: 700;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    min-height: 44px;
    align-items: center;
    font-size: 16px;
    line-height: 1.5
}

.faq-list summary::-webkit-details-marker {
    display: none
}

.faq-list summary::after {
    content: '+';
    color: var(--orange-bright);
    font-size: 24px;
    font-weight: 400;
    line-height: 1;
    flex-shrink: 0
}

.faq-list details[open] summary::after {
    content: '−'
}

.faq-answer {
    padding-top: 8px
}

.faq-answer .verdict {
    margin: 10px 0 0;
    max-width: 800px;
    padding: 12px 16px;
    border-left: 3px solid var(--orange);
    border-radius: 0 8px 8px 0;
    background: rgba(243, 127, 25, .08);
    color: var(--text-hi);
    font-size: 15px;
    line-height: 1.75
}

.faq-answer .verdict strong {
    color: #fff
}

.faq-answer p {
    margin: 9px 0 0;
    color: var(--text-dim);
    line-height: 1.8;
    max-width: 800px
}

.faq-answer ul,
.faq-answer ol {
    margin: 10px 0 0;
    display: grid;
    gap: 8px;
    max-width: 800px
}

.faq-answer li {
    position: relative;
    padding-left: 18px;
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.8
}

.faq-answer ul>li::before {
    content: "";
    position: absolute;
    left: 3px;
    top: .76em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--orange)
}

.faq-answer ol {
    counter-reset: fnum
}

.faq-answer ol>li {
    padding-left: 24px
}

.faq-answer ol>li::before {
    counter-increment: fnum;
    content: counter(fnum) ".";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--orange-bright);
    font-weight: 700
}

.faq-answer ul .sub-list {
    margin: 7px 0 0;
    gap: 6px
}

.faq-answer ul .sub-list>li {
    font-size: 14.5px;
    padding-left: 16px
}

.faq-answer ul .sub-list>li::before {
    background: rgba(255, 255, 255, .3);
    width: 4px;
    height: 4px
}

.faq-answer strong {
    color: #fff
}

.faq-answer a {
    color: var(--orange-bright)
}

.faq-answer .warn {
    color: var(--orange-bright)
}

/* ---- CTA 面板 ---- */
.download-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 34px;
    border-radius: 18px;
    background: linear-gradient(120deg, #292015, #1b1b1b);
    border: 1px solid rgba(243, 127, 25, .3)
}

.download-panel h2 {
    color: #fff;
    font-size: 30px;
    margin-bottom: 8px
}

.download-panel p {
    color: var(--text-dim)
}

.download-panel .eyebrow {
    display: inline-block;
    color: var(--orange);
    font-size: 12px;
    letter-spacing: .16em;
    font-weight: 700;
    margin-bottom: 8px
}

.download-panel .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 8px;
    background: var(--orange);
    color: #171717;
    font-weight: 700;
    white-space: nowrap;
    transition: background .2s
}

.download-panel .btn-primary:hover {
    background: var(--orange-bright)
}

@media (max-width:900px) {
    .download-panel {
        align-items: flex-start;
        flex-direction: column
    }
}

@media (max-width:560px) {
    .download-panel h2 {
        font-size: 24px
    }
}

/* ============ 列表页 Hero（分类 / 标签 / 搜索 / 下载 / 帮助共用样式） ============ */
.news-hero,
.dl-hero,
.help-hero {
    position: relative;
    background: #131313;
    overflow: hidden;
    border-bottom: 1px solid var(--line-soft)
}

.news-hero::before,
.dl-hero::before,
.help-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(620px 420px at 80% 0%, rgba(243, 127, 25, .17), transparent 65%),
        radial-gradient(520px 380px at 5% 100%, rgba(255, 182, 46, .09), transparent 60%);
    pointer-events: none
}

.news-hero::after,
.dl-hero::after,
.help-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .032) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .032) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 26%, transparent 76%);
    mask-image: radial-gradient(ellipse at 50% 0%, #000 26%, transparent 76%);
    pointer-events: none
}

.news-hero-inner,
.dl-hero-inner,
.help-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
    padding: 60px 20px 50px;
    text-align: center
}

.news-eyebrow,
.dl-eyebrow,
.help-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .18em;
    color: var(--orange-bright);
    margin-bottom: 16px
}

.news-title,
.dl-title,
.help-title {
    font-size: clamp(32px, 5.2vw, 52px);
    line-height: 1.12;
    font-weight: 700;
    color: var(--text-hi);
    margin-bottom: 18px
}

.news-title .grad,
.dl-title .grad,
.help-title .grad {
    background: linear-gradient(92deg, #fff 10%, var(--orange-bright) 55%, var(--orange) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.news-sub,
.dl-sub,
.help-sub {
    max-width: 700px;
    margin: 0 auto;
    color: rgba(255, 255, 255, .72);
    font-size: 17px;
    line-height: 1.85
}

/* 列表页锚点跳转按钮 */
.dl-jump,
.help-jump {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 30px
}

.dl-jump a,
.help-jump a {
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .04);
    color: var(--text);
    font-size: 14px;
    transition: color .2s, border-color .2s, background .2s
}

.dl-jump a:hover,
.help-jump a:hover {
    color: #fff;
    border-color: rgba(243, 127, 25, .55);
    background: rgba(243, 127, 25, .1)
}

@media (max-width:560px) {
    .news-hero-inner,
    .dl-hero-inner,
    .help-hero-inner {
        padding: 44px 20px 38px
    }

    .news-sub,
    .dl-sub,
    .help-sub {
        font-size: 15.5px
    }
}

/* ============ 分类筛选条（列表页） ============ */
.filter-bar {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    margin-bottom: 28px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch
}

.filter-bar::-webkit-scrollbar {
    display: none
}

.filter-btn {
    flex-shrink: 0;
    padding: 10px 20px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 14px;
    white-space: nowrap;
    transition: color .2s, background .2s, border-color .2s
}

.filter-btn:hover {
    color: #fff;
    border-color: rgba(243, 127, 25, .5)
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--orange-bright), var(--orange) 60%, var(--orange-deep));
    border-color: transparent;
    color: #fff;
    font-weight: 600
}

/* ---- 空状态 ---- */
.news-empty {
    display: none;
    padding: 60px 20px;
    text-align: center;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    background: #181818
}

.news-empty.show {
    display: block
}

.news-empty i {
    font-size: 30px;
    color: var(--text-dim);
    margin-bottom: 14px
}

.news-empty p {
    color: var(--text-dim);
    font-size: 15px
}

/* ---- 分页 ---- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    flex-wrap: wrap
}

.pagination a,
.pagination span,
.pagination .page-link {
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color .2s, background .2s, border-color .2s
}

.pagination a:hover,
.pagination .page-link:hover {
    color: #fff;
    border-color: rgba(243, 127, 25, .55)
}

.pagination .page-item.active a,
.pagination .current {
    background: linear-gradient(135deg, var(--orange-bright), var(--orange) 60%, var(--orange-deep));
    border-color: transparent;
    color: #fff;
    font-weight: 600
}

.pagination .disabled a,
.pagination .disabled span {
    opacity: .4;
    pointer-events: none
}

/* ============ 文章 Hero ============ */
.article-hero {
    position: relative;
    background: #131313;
    overflow: hidden;
    border-bottom: 1px solid var(--line-soft)
}

.article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(620px 420px at 82% 0%, rgba(243, 127, 25, .15), transparent 65%),
        radial-gradient(520px 380px at 4% 100%, rgba(255, 182, 46, .08), transparent 60%);
    pointer-events: none
}

.article-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 24%, transparent 74%);
    mask-image: radial-gradient(ellipse at 50% 0%, #000 24%, transparent 74%);
    pointer-events: none
}

.article-hero-inner {
    position: relative;
    z-index: 1;
    max-width: var(--container);
    margin: 0 auto;
    padding: var(--gap-lg) 20px var(--gap-xl)
}

.article-hero-content {
    max-width: var(--container);
    margin: 0 auto
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: var(--gap-md)
}

.breadcrumb a {
    color: var(--text);
    transition: color .2s
}

.breadcrumb a:hover {
    color: var(--orange-bright)
}

.breadcrumb i {
    font-size: 10px;
    opacity: .6
}

.breadcrumb .current {
    color: var(--text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 320px
}

.article-tag {
    display: inline-block;
    margin-bottom: var(--gap-sm);
    padding: 5px 14px;
    border-radius: 999px;
    background: rgba(243, 127, 25, .14);
    color: var(--orange-bright);
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .04em
}

.article-title {
    font-size: clamp(28px, 4.4vw, 42px);
    line-height: 1.28;
    font-weight: 700;
    color: var(--text-hi);
    margin-bottom: var(--gap-md)
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 20px;
    font-size: 13.5px;
    color: var(--text-dim)
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px
}

.article-meta i {
    font-size: 12px;
    color: var(--orange)
}

.article-meta a {
    color: var(--orange-bright)
}

@media (max-width:560px) {
    .article-hero-inner {
        padding: var(--gap-md) 20px var(--gap-lg)
    }

    .breadcrumb {
        margin-bottom: var(--gap-sm)
    }

    .article-title {
        margin-bottom: var(--gap-sm)
    }

    .article-meta {
        gap: 6px 16px;
        font-size: 13px
    }
}

/* ============ 正文布局（文章 / 独立页面共用） ============ */
.article-wrap {
    padding: var(--gap-xl) 0 96px;
    background: #141414
}

.article-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px
}

.article-container>article {
    max-width: var(--container);
    margin: 0 auto;
    padding: 56px 64px;
    background: linear-gradient(180deg, #1c1c1c 0%, #181818 100%);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 6px 30px rgba(0, 0, 0, .18)
}

.article-container>article>* {
    margin: 0 0 var(--gap-md)
}

.article-container>article>*:last-child {
    margin-bottom: 0
}

.article-container>article>figure {
    display: flex;
    flex-direction: column;
    margin: 0 0 var(--gap-xl);
    border-radius: 14px;
    overflow: hidden;
    background: linear-gradient(135deg, #3b2817, #161616)
}

.article-container>article>figure img {
    display: block;
    width: 100%;
    height: clamp(190px, 28vw, 280px);
    object-fit: cover
}

.article-container>article>figure.noimg::before {
    content: "\f021";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    height: clamp(190px, 28vw, 280px);
    font-size: clamp(52px, 8vw, 76px);
    color: var(--orange-bright);
    background:
        radial-gradient(420px 200px at 50% 118%, rgba(243, 127, 25, .24), transparent 72%),
        linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
    background-size: auto, 44px 44px, 44px 44px
}

.article-container>article>figure figcaption {
    padding: 12px 16px;
    background: rgba(0, 0, 0, .35);
    border-top: 1px solid rgba(255, 255, 255, .06);
    font-size: 13px;
    color: var(--text-dim);
    text-align: center
}

/* 目录 */
.article-container>article>nav.toc {
    margin: 0 0 var(--gap-xl);
    padding: 22px 26px;
    background: rgba(243, 127, 25, .05);
    border: 1px solid rgba(243, 127, 25, .22);
    border-radius: 12px
}

.article-container>article>nav.toc h2 {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--orange-bright);
    margin: 0 0 var(--gap-sm);
    padding: 0;
    display: block
}

.article-container>article>nav.toc h2::before {
    content: none;
    display: none
}

.article-container>article>nav.toc ol {
    counter-reset: toc;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-2xs) var(--gap-md);
    padding: 0;
    margin: 0;
    list-style: none
}

.article-container>article>nav.toc ol>li {
    counter-increment: toc;
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 4px 0;
    font-size: 14.5px
}

.article-container>article>nav.toc ol>li::before {
    content: counter(toc, decimal-leading-zero);
    flex-shrink: 0;
    color: var(--orange);
    font-size: 12px;
    font-weight: 700;
    font-variant-numeric: tabular-nums
}

.article-container>article>nav.toc ol>li>a {
    color: var(--text);
    border-bottom: 0;
    line-height: 1.6;
    transition: color .2s
}

.article-container>article>nav.toc ol>li>a:hover {
    color: #fff
}

/* 标题与正文 */
.article-container>article>h2 {
    margin: 56px 0 var(--gap-sm);
    padding: 0;
    font-size: clamp(21px, 2.6vw, 25px);
    line-height: 1.4;
    font-weight: 700;
    color: #fff;
    scroll-margin-top: 100px;
    display: flex;
    align-items: center;
    gap: 12px
}

.article-container>article>h2::before {
    content: "";
    flex-shrink: 0;
    width: 4px;
    height: 1.15em;
    border-radius: 2px;
    background: var(--orange)
}

.article-container>article>h2:first-of-type {
    margin-top: 0
}

.article-container>article>h3 {
    margin: 34px 0 var(--gap-xs);
    font-size: 17.5px;
    line-height: 1.5;
    font-weight: 700;
    color: var(--text-hi)
}

.article-container>article>p {
    font-size: 16px;
    line-height: 1.92;
    color: rgba(255, 255, 255, .74)
}

.article-container>article>ul,
.article-container>article>ol {
    padding: 0;
    list-style: none;
    display: grid;
    gap: var(--gap-xs)
}

.article-container>article>ul>li {
    position: relative;
    padding-left: 20px;
    font-size: 16px;
    line-height: 1.92;
    color: rgba(255, 255, 255, .74)
}

.article-container>article>ul>li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: .82em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--orange)
}

.article-container>article>ol {
    counter-reset: anum
}

.article-container>article>ol>li {
    position: relative;
    padding-left: 26px;
    counter-increment: anum;
    font-size: 16px;
    line-height: 1.92;
    color: rgba(255, 255, 255, .74)
}

.article-container>article>ol>li::before {
    content: counter(anum) ".";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--orange-bright);
    font-weight: 700
}

.article-container>article>blockquote {
    margin: 28px 0;
    padding: 18px 22px;
    border-left: 3px solid var(--orange);
    border-radius: 0 10px 10px 0;
    background: rgba(243, 127, 25, .08);
    font-size: 15.5px;
    line-height: 1.85;
    color: var(--text-hi)
}

.article-container>article>blockquote p {
    margin: 0;
    color: inherit
}

.article-container>article>blockquote p+p {
    margin-top: 8px
}

.article-container>article>blockquote:first-of-type {
    margin: 0 0 38px;
    padding: 20px 24px;
    font-size: 16.5px;
    line-height: 1.85;
    border-left-width: 4px;
    border-radius: 0 12px 12px 0;
    background: rgba(243, 127, 25, .1)
}

.article-container>article>table {
    width: 100%;
    margin: 26px 0;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    font-size: 14.5px
}

.article-container>article>table thead th {
    background: rgba(243, 127, 25, .1);
    color: #fff;
    font-weight: 700;
    text-align: left;
    padding: 13px 16px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap
}

.article-container>article>table tbody td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--line-soft);
    color: rgba(255, 255, 255, .72);
    vertical-align: top;
    line-height: 1.7
}

.article-container>article>table tbody tr:last-child td {
    border-bottom: 0
}

.article-container>article>table tbody tr:hover td {
    background: rgba(255, 255, 255, .02)
}

.article-container>article>table tbody td:first-child {
    color: #fff;
    font-weight: 600
}

.article-container>article strong {
    color: #fff;
    font-weight: 700
}

.article-container>article a {
    color: var(--orange-bright);
    border-bottom: 1px solid rgba(255, 182, 46, .3);
    transition: border-color .2s
}

.article-container>article a:hover {
    border-bottom-color: var(--orange-bright)
}

.article-container>article img {
    border-radius: 12px
}

/* 文末标签 */
.article-container>article>.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin: 34px 0 0;
    padding-top: 20px;
    border-top: 1px solid var(--line-soft);
    font-size: 14px
}

.article-container>article>.article-tags>i {
    color: var(--orange-bright)
}

.article-container>article>.article-tags .tag {
    display: inline-flex;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(243, 127, 25, .1);
    border: 1px solid rgba(243, 127, 25, .25);
    color: var(--orange-bright);
    border-bottom: 0;
    font-size: 13px;
    transition: background .2s
}

.article-container>article>.article-tags .tag:hover {
    background: rgba(243, 127, 25, .2)
}

@media (max-width:900px) {
    .article-wrap {
        padding: 40px 0 72px
    }

    .article-container>article {
        padding: 40px 30px;
        border-radius: 14px
    }

    .article-container>article>figure {
        margin-bottom: var(--gap-lg)
    }

    .article-container>article>nav.toc {
        margin-bottom: var(--gap-lg)
    }

    .article-container>article>h2 {
        margin-top: 48px;
        margin-bottom: var(--gap-xs)
    }

    .article-container>article>h3 {
        margin-top: 28px
    }
}

@media (max-width:560px) {
    .article-wrap {
        padding: 32px 0 56px
    }

    .article-container>article {
        padding: 30px 20px;
        border-radius: 12px
    }

    .article-container>article>figure {
        margin-bottom: var(--gap-md)
    }

    .article-container>article>nav.toc {
        padding: 18px 18px;
        margin-bottom: var(--gap-md)
    }

    .article-container>article>nav.toc ol {
        grid-template-columns: 1fr;
        gap: 2px
    }

    .article-container>article>h2 {
        margin-top: 40px;
        margin-bottom: var(--gap-xs);
        gap: 10px
    }

    .article-container>article>h3 {
        margin-top: 24px;
        margin-bottom: 8px
    }

    .article-container>article>blockquote {
        padding: 16px 18px
    }

    .article-container>article>blockquote:first-of-type {
        padding: 18px 20px;
        margin-bottom: var(--gap-md)
    }

    .article-container>article>table {
        font-size: 13.5px;
        margin: 22px 0
    }

    .article-container>article>table thead th,
    .article-container>article>table tbody td {
        padding: 10px 12px
    }
}

/* ============ 上一篇 / 下一篇 ============ */
.post-nav {
    max-width: var(--container);
    margin: 48px auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px
}

.post-nav-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: linear-gradient(152deg, #212121, #181818);
    transition: transform .2s, border-color .2s
}

.post-nav-item:hover {
    transform: translateY(-2px);
    border-color: rgba(243, 127, 25, .55)
}

.post-nav-item .pn-dir {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--text-dim)
}

.post-nav-item.next .pn-dir {
    color: var(--orange-bright)
}

.post-nav-item .pn-title {
    font-size: 15px;
    line-height: 1.55;
    font-weight: 600;
    color: #fff;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical
}

.post-nav-item.next {
    text-align: right;
    align-items: flex-end
}

.post-nav-item:only-child {
    grid-column: 1 / -1;
    text-align: center;
    align-items: center
}

@media (max-width:640px) {
    .post-nav {
        grid-template-columns: 1fr;
        margin-top: 36px
    }

    .post-nav-item.next {
        text-align: left;
        align-items: flex-start
    }

    .post-nav-item .pn-title {
        font-size: 14.5px
    }
}

/* ============ 相关阅读 ============ */
.related-section {
    max-width: var(--container);
    margin: 44px auto 0;
    padding-top: 28px;
}

.related-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: var(--gap-md);
    flex-wrap: wrap
}

.related-head h2 {
    font-size: 19px;
    color: #fff;
    font-weight: 700
}

.related-head a {
    font-size: 14px;
    color: var(--orange-bright);
    font-weight: 600
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px
}

.related-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: linear-gradient(152deg, #212121, #181818);
    transition: transform .2s, border-color .2s
}

.related-card:hover {
    transform: translateY(-3px);
    border-color: rgba(243, 127, 25, .55)
}

.related-card .r-tag {
    font-size: 12px;
    color: var(--orange-bright);
    font-weight: 600
}

.related-card .r-title {
    font-size: 14.5px;
    line-height: 1.55;
    color: #fff;
    font-weight: 600
}

.related-card .r-more {
    margin-top: auto;
    padding-top: 6px;
    font-size: 13px;
    color: var(--text-dim)
}

@media (max-width:900px) {
    .related-grid {
        grid-template-columns: 1fr
    }
}

/* ============ 评论 ============ */
.comment-section {
    max-width: var(--container);
    margin: 0 auto;
    padding-top: 44px
}

.comment-header {
    margin-bottom: var(--gap-md);
    padding-bottom: var(--gap-sm);
    border-bottom: 1px solid var(--line);
    color: #fff;
    font-size: 19px;
    font-weight: 700
}

.comment {
    display: flex;
    gap: 14px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line-soft)
}

.comment .avatar img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover
}

.comment-infos {
    flex: 1;
    min-width: 0
}

.comment-infos b {
    color: #fff;
    font-weight: 600;
    font-size: 14px
}

.comment-infos b a {
    color: var(--orange-bright)
}

.comment-infos .comment-time {
    margin-left: 10px;
    color: var(--text-dim);
    font-size: 12px
}

.comment-content {
    margin-top: 6px;
    color: var(--text);
    font-size: 14.5px;
    line-height: 1.8;
    word-break: break-word
}

.comment-reply {
    margin-top: 8px
}

.comment-reply button {
    padding: 4px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--text-dim);
    font-size: 12.5px;
    transition: color .2s, border-color .2s
}

.comment-reply button:hover {
    color: var(--orange-bright);
    border-color: rgba(243, 127, 25, .5)
}

.comment-children {
    margin: 14px 0 0 58px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid var(--line-soft);
    border-radius: 12px
}

/* 评论表单 */
.comment-post {
    margin-top: var(--gap-lg)
}

.comment-post h3 {
    margin-bottom: var(--gap-sm);
    color: #fff;
    font-size: 18px
}

.commentform {
    display: grid;
    gap: 12px;
    max-width: 860px
}

.commentform textarea {
    width: 100%;
    min-height: 120px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #181818;
    color: var(--text-hi);
    font-size: 14.5px;
    line-height: 1.7;
    font-family: inherit;
    resize: vertical
}

.commentform textarea:focus {
    outline: none;
    border-color: rgba(243, 127, 25, .6)
}

.comment-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px
}

.comment-info input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #181818;
    color: var(--text-hi);
    font-size: 14px;
    font-family: inherit
}

.comment-info input:focus {
    outline: none;
    border-color: rgba(243, 127, 25, .6)
}

.commentform .captcha-container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #181818
}

.commentform .captcha-container input {
    flex: 1;
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #141414;
    color: var(--text-hi);
    font-size: 14px;
    font-family: inherit
}

.commentform .captcha-container img {
    cursor: pointer;
    border-radius: 8px
}

.com_submit_p {
    display: flex;
    align-items: center;
    gap: 12px
}

.commentform .btn,
.commentform input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 22px;
    border-radius: 8px;
    background: var(--orange);
    color: #171717;
    font-weight: 700;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: background .2s
}

.commentform .btn:hover,
.commentform input[type="submit"]:hover {
    background: var(--orange-bright)
}

.commentform .cancel-reply {
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--line);
    color: var(--text);
    display: none
}

.commentform.replying .cancel-reply {
    display: inline-flex
}

.commentform .login-tip {
    color: var(--text-dim);
    font-size: 14px
}

.commentform .login-tip a {
    color: var(--orange-bright)
}

#pagenavi {
    margin-top: 20px
}

@media (max-width:640px) {
    .comment-info {
        grid-template-columns: 1fr
    }

    .comment-children {
        margin-left: 24px
    }
}

/* ============ 产品页 ============ */
.hero-prod {
    position: relative;
    background: #131313;
    overflow: hidden;
}

.hero-prod::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(600px 420px at 84% 10%, rgba(243, 127, 25, .16), transparent 65%),
        radial-gradient(520px 380px at 6% 92%, rgba(255, 182, 46, .10), transparent 60%);
    pointer-events: none
}

.hero-prod::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 78%);
    mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 78%);
    pointer-events: none
}

.hero-prod-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: var(--container);
    margin: 0 auto;
    padding: 52px 20px 40px
}

@media (min-width:960px) {
    .hero-prod-inner {
        grid-template-columns: 1.15fr .85fr;
        gap: 56px;
        align-items: center;
        padding: 88px 20px 64px
    }
}

.hero-prod-copy {
    max-width: 660px
}

.prod-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .18em;
    color: var(--orange-bright);
    margin-bottom: 18px
}

.prod-title {
    font-size: clamp(34px, 5vw, 52px);
    line-height: 1.12;
    font-weight: 700;
    color: var(--text-hi);
    margin-bottom: 18px
}

.prod-title .grad {
    background: linear-gradient(92deg, #fff 10%, var(--orange-bright) 55%, var(--orange) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.prod-sub {
    color: rgba(255, 255, 255, .72);
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 560px
}

.prod-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    padding-top: 22px;
    border-top: 1px solid var(--line-soft)
}

.prod-trust li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text)
}

.prod-trust i {
    color: var(--orange-bright);
    font-size: 15px
}

.prod-panel {
    border: 1px solid rgba(243, 127, 25, .28);
    border-radius: 20px;
    background: linear-gradient(160deg, #20201e, #171717 60%, #191711);
    padding: 30px 28px 26px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .35)
}

.prod-panel-head {
    margin-bottom: 22px
}

.prod-panel-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    color: #171717;
    background: linear-gradient(135deg, var(--orange-bright), var(--orange));
    border-radius: 999px;
    padding: 5px 14px;
    margin-bottom: 12px
}

.prod-panel-head h2 {
    color: #fff;
    font-size: 21px;
    line-height: 1.35
}

.prod-dev-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 24px
}

.prod-dev-grid li {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 6px 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, .03)
}

.prod-dev-grid i {
    font-size: 22px;
    color: var(--orange-bright)
}

.prod-dev-grid span {
    font-size: 13px;
    color: #fff
}

.prod-panel-points {
    display: grid;
    gap: 10px
}

.prod-panel-points li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, .03)
}

.prod-panel-points b {
    color: #fff;
    font-size: 14px;
    font-weight: 600
}

.prod-panel-points span {
    color: var(--text-dim);
    font-size: 13px
}

.prod-anchors {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px 44px
}

.prod-anchors a {
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .04);
    color: var(--text);
    font-size: 14px;
    transition: color .2s, border-color .2s, background .2s
}

.prod-anchors a:hover {
    color: #fff;
    border-color: rgba(243, 127, 25, .55);
    background: rgba(243, 127, 25, .1)
}

@media (max-width:767px) {
    .footer-col{display:none;}
    .hero-prod-inner {
        padding-top: 44px
    }

    .prod-panel {
        padding: 24px 20px 22px
    }

    .prod-anchors {
        padding-bottom: 34px
    }
}

/* 产品简介 */
.intro-lead {
    position: relative;
    padding: 30px 34px;
    border-radius: var(--radius);
    background: linear-gradient(120deg, rgba(243, 127, 25, .12), rgba(255, 255, 255, .03) 55%, rgba(255, 255, 255, .02));
    border: 1px solid rgba(243, 127, 25, .28);
    margin-bottom: 18px
}

.intro-lead h3 {
    margin-bottom: 10px;
    color: #fff;
    font-size: 20px
}

.intro-lead p {
    color: var(--text);
    line-height: 1.85;
    font-size: 15px
}

.intro-lead p+p {
    margin-top: 10px
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px
}

@media (min-width:900px) {
    .intro-grid {
        grid-template-columns: 1fr 1fr
    }
}

.intro-col {
    padding: 26px 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(145deg, #202020, #181818)
}

.intro-col h3 {
    margin-bottom: 16px;
    color: #fff;
    font-size: 17px;
    display: flex;
    align-items: center;
    gap: 8px
}

.intro-col h3::before {
    content: "";
    width: 4px;
    height: 18px;
    border-radius: 2px;
    background: var(--orange)
}

.problem-list {
    display: grid;
    gap: 10px
}

.problem-list li {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 12px;
    align-items: start;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #1c1c1c
}

.problem-list i {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(243, 127, 25, .14);
    color: var(--orange-bright);
    font-size: 16px
}

.problem-list b {
    display: block;
    color: #fff;
    font-size: 14.5px
}

.problem-list small {
    display: block;
    margin-top: 3px;
    color: var(--text-dim);
    font-size: 13px;
    line-height: 1.6
}

.user-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px
}

.user-chip {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1 1 calc(50% - 10px);
    min-width: 180px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #1c1c1c;
    transition: border-color .2s, transform .2s
}

.user-chip:hover {
    border-color: rgba(243, 127, 25, .45);
    transform: translateY(-2px)
}

.user-chip b {
    color: #fff;
    font-size: 14.5px
}

.user-chip small {
    color: var(--text-dim);
    font-size: 12.5px;
    line-height: 1.5
}

/* 核心功能网格 */
.core-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px
}

@media (min-width:640px) {
    .core-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (min-width:1024px) {
    .core-grid {
        grid-template-columns: repeat(3, 1fr)
    }
}

/* 计费说明 */
.billing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px
}

@media (min-width:640px) {
    .billing-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (min-width:1024px) {
    .billing-grid {
        grid-template-columns: repeat(4, 1fr)
    }
}

.billing-note {
    margin-top: 22px;
    text-align: center;
    font-size: 13px;
    color: var(--text-dim)
}

.billing-note a {
    color: var(--orange-bright)
}

.billing-table {
    margin-top: 26px;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden
}

.billing-table table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed
}

.billing-table th,
.billing-table td {
    padding: 14px 18px;
    font-size: 14px;
    line-height: 1.6;
    text-align: left;
    border-bottom: 1px solid var(--line)
}

.billing-table thead th {
    background: rgba(243, 127, 25, .12);
    color: #fff;
    font-weight: 700
}

.billing-table tbody tr:last-child th,
.billing-table tbody tr:last-child td {
    border-bottom: none
}

.billing-table tbody th {
    color: var(--text-hi);
    font-weight: 600;
    width: 22%;
    background: rgba(255, 255, 255, .02)
}

.billing-table td {
    color: var(--text)
}

.billing-table td b {
    color: var(--orange-bright);
    font-weight: 600
}

@media (max-width:640px) {
    .billing-table th,
    .billing-table td {
        padding: 12px 12px;
        font-size: 13px
    }
}

/* ============ 下载页 ============ */
.home-section.scroll-target {
    scroll-margin-top: 84px
}

@media (max-width:560px) {
    .home-section.scroll-target {
        scroll-margin-top: 72px
    }
}

.dl-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px
}

@media (min-width:900px) {
    .dl-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

.dl-card {
    display: flex;
    flex-direction: column;
    padding: 26px 26px 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(152deg, #212121, #181818);
    transition: border-color .25s, transform .25s;
    scroll-margin-top: 96px
}

.dl-card:hover {
    border-color: rgba(243, 127, 25, .45);
    transform: translateY(-3px)
}

.dl-card-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px
}

.dl-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(243, 127, 25, .13);
    color: var(--orange-bright);
    font-size: 24px
}

.dl-card-head h2 {
    color: #fff;
    font-size: 20px;
    line-height: 1.3
}

.dl-tag {
    display: block;
    margin-top: 3px;
    font-size: 12.5px;
    color: var(--text-dim)
}

.dl-specs {
    margin: 0 0 22px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, .02);
    overflow: hidden
}

.dl-specs>div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line-soft);
    font-size: 13.5px
}

.dl-specs>div:last-child {
    border-bottom: 0
}

.dl-specs dt {
    flex-shrink: 0;
    color: var(--text-dim)
}

.dl-specs dd {
    margin: 0;
    color: var(--text-hi);
    text-align: right
}

.dl-foot {
    margin-top: auto
}

.dl-actions {
    display: grid;
    gap: 10px
}

.dl-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 11px 20px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--orange-bright), var(--orange) 60%, var(--orange-deep));
    color: #fff;
    text-align: center;
    box-shadow: 0 10px 22px rgba(243, 127, 25, .26);
    transition: filter .2s, transform .15s
}

.dl-btn:hover {
    filter: brightness(1.07)
}

.dl-btn:active {
    transform: scale(.98)
}

.dl-btn .b-title {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.35
}

.dl-btn .b-meta {
    font-size: 12px;
    font-weight: 400;
    line-height: 1.35;
    opacity: .88
}

.dl-btn.ghost {
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--line);
    color: var(--text-hi);
    box-shadow: none
}

.dl-btn.ghost:hover {
    background: rgba(255, 255, 255, .09);
    border-color: rgba(255, 255, 255, .18);
    filter: none
}

.dl-note {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-dim)
}

.dl-note a {
    color: var(--orange-bright);
    font-weight: 600
}

.dl-notice {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-top: 22px;
    padding: 16px 18px;
    border: 1px solid rgba(243, 127, 25, .28);
    border-radius: 12px;
    background: rgba(243, 127, 25, .07);
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text)
}

.dl-notice i {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--orange-bright)
}

.dl-notice b {
    color: #fff
}

.install-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px
}

@media (min-width:900px) {
    .install-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

.install-card {
    display: flex;
    flex-direction: column;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #1c1c1c;
    transition: border-color .25s
}

.install-card:hover {
    border-color: rgba(243, 127, 25, .4)
}

.install-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px
}

.install-head i {
    font-size: 20px;
    color: var(--orange-bright)
}

.install-head h3 {
    color: #fff;
    font-size: 17px
}

.install-steps {
    counter-reset: istep;
    display: grid;
    gap: 10px
}

.install-steps li {
    position: relative;
    padding-left: 30px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text)
}

.install-steps li::before {
    counter-increment: istep;
    content: counter(istep);
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(243, 127, 25, .16);
    color: var(--orange-bright);
    font-size: 11px;
    font-weight: 700
}

.install-note {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--line-soft);
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-dim)
}

/* 帮助页 · 分类导航胶囊 */
.help-cats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 30px
}

.help-cats a {
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .04);
    color: var(--text);
    font-size: 14px;
    transition: color .2s, border-color .2s, background .2s
}

.help-cats a:hover {
    color: #fff;
    border-color: rgba(243, 127, 25, .55);
    background: rgba(243, 127, 25, .1)
}

/* 帮助页 · 常见问题速查 */
.help-quick {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    max-width: 1000px;
    margin: 0 auto
}

.help-quick a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #1c1c1c;
    transition: transform .2s, border-color .2s
}

.help-quick a:hover {
    transform: translateY(-3px);
    border-color: rgba(243, 127, 25, .55)
}

.help-quick i {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(243, 127, 25, .14);
    color: var(--orange-bright);
    font-size: 16px
}

.help-quick b {
    display: block;
    color: #fff;
    font-size: 15px;
    line-height: 1.4
}

.help-quick small {
    display: block;
    margin-top: 2px;
    color: var(--text-dim);
    font-size: 12.5px
}

@media (max-width:900px) {
    .help-quick {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:560px) {
    .help-quick {
        grid-template-columns: 1fr
    }
}

/* ============ 帮助页 ============ */
.help-cat {
    margin-bottom: 44px
}

.help-cat:last-child {
    margin-bottom: 0
}

.help-cat-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 6px;
    padding: 18px 22px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: linear-gradient(145deg, #212121, #181818);
    scroll-margin-top: 96px
}

.help-cat-head>i {
    font-size: 20px;
    color: var(--orange-bright);
    flex-shrink: 0
}

.help-cat-head h2 {
    color: #fff;
    font-size: 18px
}

.help-cat-head .cat-sub {
    display: block;
    margin-top: 3px;
    font-size: 12.5px;
    color: var(--text-dim)
}

.help-cat .faq-list {
    max-width: none
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px
}

.support-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    padding: 30px 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(145deg, #212121, #181818);
    transition: transform .2s, border-color .2s
}

.support-card:hover {
    transform: translateY(-3px);
    border-color: rgba(243, 127, 25, .45)
}

.support-card>i {
    font-size: 28px;
    color: var(--orange-bright)
}

.support-card h3 {
    color: #fff;
    font-size: 17px
}

.support-card p {
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.8
}

.support-card p b {
    color: var(--text-hi)
}

.support-card .s-btn {
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 20px;
    border-radius: 8px;
    background: var(--orange);
    color: #171717;
    font-weight: 700;
    font-size: 14px;
    transition: background .2s
}

.support-card .s-btn:hover {
    background: var(--orange-bright)
}

@media (max-width:900px) {
    .support-grid {
        grid-template-columns: 1fr
    }
}

/* ============ 页脚 ============ */
.site-footer {
    padding: 48px 0 28px;
    background: #0f0f0f;
    border-top: 1px solid var(--line);
    text-align: center
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr repeat(3, 1fr);
    gap: 36px;
    justify-items: center
}

.footer-brand img {
    height: 30px;
    margin-bottom: 14px
}

.footer-brand p {
    max-width: 520px;
    margin: 0 auto;
    text-align: left;
    color: var(--text-dim);
    font-size: 14px
}

.footer-col h3 {
    margin-bottom: 14px;
    color: #fff;
    font-size: 15px
}

.footer-col a {
    display: block;
    margin: 9px 0;
    color: var(--text-dim);
    font-size: 14px
}

.footer-col a:hover {
    color: var(--orange-bright)
}

.footer-links-block {
    margin-top: 34px;
    padding-top: 24px;
    border-top: 1px solid var(--line)
}

.footer-links-block h3 {
    margin-bottom: 14px;
    color: #fff;
    font-size: 15px
}

.footer-links-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px
}

.footer-links-list a {
    color: var(--text-dim);
    font-size: 14px
}

.footer-links-list a:hover {
    color: var(--orange-bright)
}

.footer-bottom {
    margin-top: 34px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    color: var(--text-dim);
    font-size: 12px;
    line-height: 2.2
}

.footer-bottom a {
    display: inline-block;
    margin: 0 8px;
    color: var(--text-dim)
}

.footer-bottom a:hover {
    color: var(--orange-bright)
}

@media (max-width:900px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:560px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px
    }
}

/* ============ Toast ============ */
.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translateX(-50%) translateY(20px);
    background: #2a2a2a;
    color: #fff;
    font-size: 14px;
    padding: 11px 22px;
    border-radius: 999px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s;
    z-index: 999;
    border: 1px solid rgba(255, 255, 255, .12)
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0)
}

/* ============ 返回顶部 ============ */
.side-toolbar {
    position: fixed;
    right: 22px;
    bottom: 26px;
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 10px
}

.side-toolbar .side-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(31, 31, 31, .9);
    border: 1px solid var(--line);
    color: var(--text);
    cursor: pointer;
    transition: color .2s, border-color .2s
}

.side-toolbar .side-btn:hover {
    color: var(--orange-bright);
    border-color: rgba(243, 127, 25, .5)
}

.side-toolbar .side-btn svg {
    width: 20px;
    height: 20px
}