/* /skin/css/css.css */
:root {
    --yang-bg-deep: #08080f;
    --yang-bg-dark: #0f0f18;
    --yang-bg-card: #14141f;
    --yang-accent: #f0592a;
    --yang-accent-hover: #ff7b4a;
    --yang-accent-glow: rgba(240, 89, 42, 0.35);
    --yang-text: #e8e8ec;
    --yang-text-dim: #9a9aab;
    --yang-text-muted: #6b6b7e;
    --yang-border: rgba(255, 255, 255, 0.06);
    --yang-radius: 10px;
    --yang-radius-sm: 6px;
    --yang-transition: 0.28s cubic-bezier(0.33, 1, 0.68, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 64px;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--yang-bg-deep);
    color: var(--yang-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--yang-transition);
}

ul {
    list-style: none;
}

/* Navbar */
.yang-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 18, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--yang-border);
    transition: background var(--yang-transition);
}

.yang-navinner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.yang-navlogo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--yang-text);
    flex-shrink: 0;
}

.yang-navlogo img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.yang-navlist {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0 4px;
}

.yang-navlist::-webkit-scrollbar {
    display: none;
}

.yang-navlink {
    display: inline-block;
    padding: 7px 13px;
    border-radius: 20px;
    font-size: 0.88rem;
    color: var(--yang-text-dim);
    white-space: nowrap;
    transition: all var(--yang-transition);
    position: relative;
}

.yang-navlink:hover,
.yang-navlink.yang-active {
    color: #fff;
    background: rgba(240, 89, 42, 0.18);
}

.yang-navlink.yang-active {
    color: var(--yang-accent);
    font-weight: 600;
}

/* Hero */
.yang-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 80px 20px 60px;
}

.yang-herobg {
    position: absolute;
    inset: 0;
    background: url('http://www.sysblyey.cn/skin/img/banner20260505pmOns.webp') center/cover no-repeat;
    z-index: 0;
}

.yang-herooverlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(8, 8, 15, 0.75) 100%),
        linear-gradient(180deg, rgba(8, 8, 15, 0.5) 0%, rgba(8, 8, 15, 0.85) 100%);
    z-index: 1;
}

.yang-herocontent {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
}

.yang-herologowrap {
    margin-bottom: 22px;
}

.yang-herologo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 48px var(--yang-accent-glow), 0 0 90px rgba(240, 89, 42, 0.18);
    display: inline-block;
}

.yang-herotitle {
    font-size: clamp(1.8rem, 4vw, 3.2rem);
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #fff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
    margin-bottom: 10px;
}

.yang-herosub {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--yang-text-dim);
    letter-spacing: 0.06em;
    margin-bottom: 34px;
}

.yang-herobtns {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
}

.yang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.03em;
    cursor: pointer;
    border: none;
    transition: all var(--yang-transition);
    min-width: 140px;
    text-align: center;
}

.yang-btncall {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.35);
}

.yang-btncall:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 28px rgba(255, 255, 255, 0.12);
}

.yang-btnreg {
    background: var(--yang-accent);
    color: #fff;
    box-shadow: 0 4px 22px var(--yang-accent-glow);
}

.yang-btnreg:hover {
    background: var(--yang-accent-hover);
    box-shadow: 0 6px 34px rgba(240, 89, 42, 0.5);
    transform: translateY(-2px);
}

.yang-btnlg {
    padding: 16px 44px;
    font-size: 1.1rem;
    border-radius: 34px;
}

.yang-heroscrollhint {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 16px;
    z-index: 2;
}

.yang-heroscrollhint::after {
    content: '';
    display: block;
    width: 5px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 3px;
    margin: 8px auto 0;
    animation: yang-scrollbounce 2s infinite;
}

@keyframes yang-scrollbounce {
    0%,
    100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    50% {
        transform: translateY(10px);
        opacity: 1;
    }
}

/* Section通用 */
.yang-section {
    padding: 90px 20px;
    position: relative;
}

.yang-container {
    max-width: 1220px;
    margin: 0 auto;
}

.yang-secheader {
    margin-bottom: 48px;
}

.yang-seclabel {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--yang-accent);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.yang-sectitle {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.yang-secdesc {
    color: var(--yang-text-dim);
    font-size: 0.98rem;
}

/* 横向卡片滚动 */
.yang-cardscroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
    padding-bottom: 8px;
}

.yang-cardscroll::-webkit-scrollbar {
    height: 5px;
}

.yang-cardscroll::-webkit-scrollbar-track {
    background: transparent;
}

.yang-cardscroll::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
}

.yang-cardtrack {
    display: flex;
    gap: 18px;
    padding: 4px 2px 10px;
    width: max-content;
}

.yang-gamecard,
.yang-casecard {
    flex: 0 0 260px;
    background: var(--yang-bg-card);
    border-radius: var(--yang-radius);
    overflow: hidden;
    border: 1px solid var(--yang-border);
    transition: all var(--yang-transition);
    cursor: pointer;
}

.yang-gamecard:hover,
.yang-casecard:hover {
    border-color: rgba(240, 89, 42, 0.35);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
    transform: translateY(-4px);
}

.yang-cardimgwrap {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #1a1a26;
}

.yang-cardimg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}

.yang-gamecard:hover .yang-cardimg,
.yang-casecard:hover .yang-cardimg {
    transform: scale(1.06);
}

.yang-cardinfo {
    padding: 16px;
}

.yang-cardinfo h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}

.yang-cardinfo span {
    font-size: 0.8rem;
    color: var(--yang-text-muted);
    display: block;
    margin-bottom: 10px;
}

.yang-cardbtn {
    display: inline-block;
    padding: 7px 18px;
    background: var(--yang-accent);
    color: #fff;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all var(--yang-transition);
}

.yang-cardbtn:hover {
    background: var(--yang-accent-hover);
    box-shadow: 0 3px 16px var(--yang-accent-glow);
}

/* About区 */
.yang-about {
    padding: 0;
    min-height: 520px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.yang-aboutbg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.yang-aboutbgimg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yang-aboutoverlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 8, 15, 0.7) 0%, rgba(8, 8, 15, 0.9) 100%);
    z-index: 1;
}

.yang-aboutcontent {
    position: relative;
    z-index: 2;
    text-align: left;
    padding: 80px 20px;
}

.yang-abouttitle {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.yang-aboutdesc {
    color: var(--yang-text-dim);
    font-size: 1.05rem;
    margin-bottom: 36px;
    max-width: 500px;
}

.yang-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.yang-statitem {
    display: flex;
    flex-direction: column;
}

.yang-statnum {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--yang-accent);
    letter-spacing: 0.02em;
}

.yang-statlabel {
    font-size: 0.9rem;
    color: var(--yang-text-dim);
}

/* 视频区 */
.yang-video {
    background: var(--yang-bg-dark);
}

.yang-videowrap {
    max-width: 800px;
    margin: 0 auto;
}

.yang-videoplaceholder {
    position: relative;
    aspect-ratio: 16/9;
    border-radius: var(--yang-radius);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--yang-border);
}

.yang-videobg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.55);
}

.yang-videobtn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 74px;
    height: 74px;
    border-radius: 50%;
    background: var(--yang-accent);
    border: none;
    cursor: pointer;
    box-shadow: 0 0 44px var(--yang-accent-glow);
    transition: all var(--yang-transition);
}

.yang-videobtn::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 20px solid #fff;
    border-top: 13px solid transparent;
    border-bottom: 13px solid transparent;
    margin: auto;
    position: absolute;
    top: 50%;
    left: 52%;
    transform: translate(-50%, -50%);
}

.yang-videobtn:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 64px rgba(240, 89, 42, 0.6);
}

/* 全球分布 */
.yang-global {
    background: var(--yang-bg-deep);
}

.yang-mapwrap {
    max-width: 700px;
    margin: 0 auto;
}

.yang-map {
    position: relative;
    aspect-ratio: 2/1;
    background: radial-gradient(ellipse at center, rgba(240, 89, 42, 0.08) 0%, transparent 70%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 400'%3E%3Cpath d='M50 180 Q200 80 400 160 Q550 220 750 140 M100 200 Q250 120 450 190 Q600 250 720 170 M180 240 Q300 180 500 220 Q650 260 700 210' fill='none' stroke='rgba(255,255,255,0.06)' stroke-width='1'/%3E%3C/svg%3E") center/cover no-repeat;
    border-radius: var(--yang-radius);
}

.yang-mappoint {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--yang-accent);
    border-radius: 50%;
    box-shadow: 0 0 16px var(--yang-accent-glow), 0 0 36px rgba(240, 89, 42, 0.2);
    animation: yang-pulse 2.4s infinite;
}

.yang-mappoint:nth-child(2) {
    animation-delay: 0.4s;
}
.yang-mappoint:nth-child(3) {
    animation-delay: 0.8s;
}
.yang-mappoint:nth-child(4) {
    animation-delay: 1.2s;
}
.yang-mappoint:nth-child(5) {
    animation-delay: 1.6s;
}
.yang-mappoint:nth-child(6) {
    animation-delay: 2s;
}
.yang-mappoint:nth-child(7) {
    animation-delay: 0.2s;
}

@keyframes yang-pulse {
    0%,
    100% {
        box-shadow: 0 0 16px var(--yang-accent-glow), 0 0 36px rgba(240, 89, 42, 0.2);
    }
    50% {
        box-shadow: 0 0 28px var(--yang-accent-glow), 0 0 56px rgba(240, 89, 42, 0.4);
    }
}

/* 服务区 */
.yang-services {
    background: var(--yang-bg-dark);
}

.yang-servicesgrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.yang-servicestext {
    text-align: left;
}

.yang-servicelist {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.yang-servicelist li {
    padding: 14px 18px;
    background: var(--yang-bg-card);
    border-radius: var(--yang-radius-sm);
    border-left: 3px solid var(--yang-accent);
    color: var(--yang-text-dim);
    font-size: 0.95rem;
    transition: all var(--yang-transition);
}

.yang-servicelist li:hover {
    color: #fff;
    border-left-color: var(--yang-accent-hover);
    background: #1a1a2a;
}

.yang-servicesvisual {
    border-radius: var(--yang-radius);
    overflow: hidden;
    border: 1px solid var(--yang-border);
}

.yang-serviceimg {
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 4/5;
}

/* 案例区 */
.yang-cases {
    background: var(--yang-bg-deep);
}

/* 合作伙伴 */
.yang-partners {
    background: var(--yang-bg-dark);
}

.yang-partnerrow {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 40px;
    justify-content: center;
    align-items: center;
}

.yang-partneritem {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--yang-text-muted);
    letter-spacing: 0.04em;
    padding: 16px 26px;
    background: var(--yang-bg-card);
    border-radius: var(--yang-radius-sm);
    border: 1px solid var(--yang-border);
    transition: all var(--yang-transition);
}

.yang-partneritem:hover {
    color: #fff;
    border-color: rgba(240, 89, 42, 0.4);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

/* 新闻区 */
.yang-news {
    background: var(--yang-bg-deep);
}

.yang-newslist {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.yang-newsitem {
    background: var(--yang-bg-card);
    border-radius: var(--yang-radius);
    padding: 22px;
    border: 1px solid var(--yang-border);
    transition: all var(--yang-transition);
}

.yang-newsitem:hover {
    border-color: rgba(240, 89, 42, 0.3);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.yang-newsdate {
    font-size: 0.78rem;
    color: var(--yang-accent);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.yang-newstitle {
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    margin: 8px 0;
}

.yang-newsexcerpt {
    font-size: 0.9rem;
    color: var(--yang-text-dim);
    line-height: 1.5;
}

/* CTA区 */
.yang-cta {
    padding: 0;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.yang-ctabg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.yang-ctabgimg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yang-ctaoverlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 8, 15, 0.75) 0%, rgba(8, 8, 15, 0.92) 100%);
    z-index: 1;
}

.yang-ctacontent {
    position: relative;
    z-index: 2;
    text-align: left;
    max-width: 600px;
    padding: 60px 20px;
    margin: 0 auto;
}

.yang-ctatitle {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.yang-ctadesc {
    color: var(--yang-text-dim);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.yang-ctabtns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Footer */
.yang-footer {
    background: #06060d;
    padding: 60px 20px 28px;
    border-top: 1px solid var(--yang-border);
}

.yang-footergrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 36px;
    margin-bottom: 36px;
}

.yang-footercol h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}

.yang-footercol p {
    font-size: 0.9rem;
    color: var(--yang-text-dim);
    margin-bottom: 6px;
}

.yang-footercol a {
    color: var(--yang-text-dim);
    transition: color var(--yang-transition);
}

.yang-footercol a:hover {
    color: var(--yang-accent);
}

.yang-socialrow {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.yang-sociallink {
    display: inline-block;
    padding: 8px 16px;
    background: var(--yang-bg-card);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--yang-text-dim);
    border: 1px solid var(--yang-border);
    transition: all var(--yang-transition);
}

.yang-sociallink:hover {
    color: #fff;
    border-color: var(--yang-accent);
    background: rgba(240, 89, 42, 0.12);
}

.yang-footbottom {
    text-align: center;
    font-size: 0.82rem;
    color: var(--yang-text-muted);
    padding-top: 20px;
    border-top: 1px solid var(--yang-border);
}

/* 响应式 */
@media (max-width: 1024px) {
    .yang-servicesgrid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .yang-servicesvisual {
        order: -1;
    }

    .yang-serviceimg {
        aspect-ratio: 16/9;
    }

    .yang-stats {
        gap: 24px;
    }

    .yang-statnum {
        font-size: 2rem;
    }

    .yang-navlink {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .yang-section {
        padding: 60px 14px;
    }

    .yang-hero {
        padding: 70px 14px 50px;
    }

    .yang-herologo {
        width: 74px;
        height: 74px;
    }

    .yang-herobtns {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .yang-btn {
        width: 100%;
        max-width: 280px;
        padding: 13px 28px;
        font-size: 0.95rem;
    }

    .yang-navinner {
        padding: 0 12px;
    }

    .yang-navlogo span {
        display: none;
    }

    .yang-navlist {
        gap: 2px;
    }

    .yang-navlink {
        padding: 6px 9px;
        font-size: 0.76rem;
        border-radius: 16px;
    }

    .yang-gamecard,
    .yang-casecard {
        flex: 0 0 210px;
    }

    .yang-aboutcontent {
        padding: 50px 14px;
    }

    .yang-stats {
        gap: 18px;
    }

    .yang-statnum {
        font-size: 1.7rem;
    }

    .yang-newslist {
        grid-template-columns: 1fr;
    }

    .yang-ctacontent {
        text-align: left;
        padding: 40px 14px;
    }

    .yang-ctabtns {
        flex-direction: column;
        align-items: stretch;
    }

    .yang-ctabtns .yang-btn {
        max-width: none;
    }

    .yang-videobtn {
        width: 54px;
        height: 54px;
    }

    .yang-videobtn::after {
        border-left-width: 14px;
        border-top-width: 9px;
        border-bottom-width: 9px;
    }

    .yang-partnerrow {
        gap: 12px 18px;
    }

    .yang-partneritem {
        font-size: 0.88rem;
        padding: 12px 18px;
    }
}

@media (max-width: 420px) {
    .yang-gamecard,
    .yang-casecard {
        flex: 0 0 170px;
    }

    .yang-cardinfo {
        padding: 10px;
    }

    .yang-cardinfo h3 {
        font-size: 0.88rem;
    }

    .yang-cardbtn {
        font-size: 0.72rem;
        padding: 5px 13px;
    }

    .yang-herotitle {
        font-size: 1.4rem;
    }

    .yang-herosub {
        font-size: 0.9rem;
    }

    .yang-navlink {
        padding: 5px 7px;
        font-size: 0.7rem;
    }
}