/* ============================================================
   OneGame Studio-ONE游戏 站点样式
   设计方向:Game Studio Corporate / 游戏工作室与创意产品公司
   配色:暖白 #FAF6EF / 黑 #17181A / 橙 #FF7A3D / 钴蓝 #2E5FDB
   结构:工作室导航 + 作品展示 + 作品网格 + 编辑日志 + 会议式 FAQ
   ============================================================ */

:root {
    --gs-paper: #FAF6EF;
    --gs-paper-deep: #F0E9DC;
    --gs-ink: #17181A;
    --gs-ink-soft: #4A4C50;
    --gs-orange: #FF7A3D;
    --gs-orange-deep: #E05B1D;
    --gs-cobalt: #2E5FDB;
    --gs-cobalt-soft: #E7ECFA;
    --gs-line: rgba(23, 24, 26, 0.12);
    --gs-white: #FFFFFF;
    --gs-radius: 14px;
    --gs-radius-lg: 22px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    background: var(--gs-paper);
    color: var(--gs-ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

::selection {
    background: var(--gs-orange);
    color: var(--gs-white);
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--gs-cobalt);
    outline-offset: 2px;
}

/* ---------- 通用容器与标题 ---------- */
.gs-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 28px;
}

.gs-section {
    padding: 96px 0;
}

.gs-section-alt {
    background: var(--gs-paper-deep);
}

.gs-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--gs-orange-deep);
}

.gs-eyebrow::before {
    content: "";
    width: 34px;
    height: 2px;
    background: var(--gs-orange);
}

.gs-eyebrow-light {
    color: var(--gs-orange);
}

.gs-h2 {
    margin-top: 14px;
    font-size: clamp(26px, 3.4vw, 42px);
    font-weight: 900;
    line-height: 1.25;
    letter-spacing: 1px;
}

.gs-lead {
    margin-top: 16px;
    max-width: 660px;
    color: var(--gs-ink-soft);
    font-size: 16px;
}

/* ---------- 按钮 ---------- */
.gs-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    border: 1.5px solid transparent;
    transition: all 0.2s ease;
}

.gs-btn-primary {
    background: var(--gs-orange);
    color: var(--gs-white);
}

.gs-btn-primary:hover {
    background: var(--gs-orange-deep);
    transform: translateY(-2px);
}

.gs-btn-ghost {
    border-color: var(--gs-ink);
    color: var(--gs-ink);
}

.gs-btn-ghost:hover {
    background: var(--gs-ink);
    color: var(--gs-paper);
}

.gs-btn-cobalt {
    background: var(--gs-cobalt);
    color: var(--gs-white);
}

.gs-btn-cobalt:hover {
    background: #2549b0;
    transform: translateY(-2px);
}

.gs-btn-paper {
    background: var(--gs-paper);
    color: var(--gs-ink);
}

.gs-btn-paper:hover {
    background: var(--gs-white);
    transform: translateY(-2px);
}

.gs-btn-lg {
    padding: 18px 46px;
    font-size: 17px;
}

/* ---------- Header:工作室导航(暖白底黑字) ---------- */
.gs-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--gs-paper);
    border-bottom: 1px solid var(--gs-line);
}

.gs-header-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 28px;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.gs-brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--gs-orange);
    color: var(--gs-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 1px;
}

.gs-brand-name {
    display: block;
    font-weight: 800;
    font-size: 17px;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.gs-brand-sub {
    display: block;
    font-size: 11px;
    color: var(--gs-ink-soft);
    letter-spacing: 2px;
    line-height: 1.3;
}

.gs-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.gs-nav a {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 15px;
    color: var(--gs-ink-soft);
    transition: all 0.2s ease;
}

.gs-nav a:hover {
    color: var(--gs-orange-deep);
    background: rgba(255, 122, 61, 0.08);
}

.gs-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--gs-line);
    background: transparent;
    cursor: pointer;
}

.gs-nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--gs-ink);
    border-radius: 2px;
}

/* ---------- Hero:作品展示双栏 ---------- */
.gs-hero {
    position: relative;
    overflow: hidden;
}

.gs-hero-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 84px 28px 96px;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
}

.gs-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--gs-orange-deep);
}

.gs-hero-eyebrow::before {
    content: "";
    width: 34px;
    height: 2px;
    background: var(--gs-orange);
}

.gs-hero-title {
    margin: 18px 0 20px;
    font-size: clamp(34px, 5vw, 64px);
    line-height: 1.12;
    font-weight: 900;
    letter-spacing: 1px;
}

.gs-hero-lead {
    max-width: 520px;
    font-size: 17px;
    color: var(--gs-ink-soft);
}

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

.mobile-topics {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.mobile-topics span {
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    background: var(--gs-paper-deep);
    border: 1px solid var(--gs-line);
    color: var(--gs-ink-soft);
}

.gs-hero-visual {
    position: relative;
}

.gs-hero-visual::before {
    content: "";
    position: absolute;
    inset: 18px -18px -18px 18px;
    background: var(--gs-orange);
    border-radius: var(--gs-radius-lg);
    opacity: 0.9;
}

.gs-hero-frame {
    position: relative;
    z-index: 1;
    border-radius: var(--gs-radius-lg);
    overflow: hidden;
    border: 1px solid var(--gs-line);
}

.gs-hero-frame img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.gs-hero-badge {
    position: absolute;
    left: -12px;
    bottom: 36px;
    z-index: 2;
    background: var(--gs-cobalt);
    color: var(--gs-white);
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 700;
}

/* ---------- 左右分栏(展示/配图通用) ---------- */
.gs-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.gs-split-visual {
    border-radius: var(--gs-radius-lg);
    overflow: hidden;
    border: 1px solid var(--gs-line);
}

.gs-split-visual img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.gs-feature-list {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.gs-feature-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    font-size: 15px;
    color: var(--gs-ink-soft);
}

.gs-feature-icon {
    flex: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--gs-ink);
    color: var(--gs-paper);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

/* ---------- 创意能力卡片 ---------- */
.gs-cap-grid {
    margin-top: 44px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.gs-cap-card {
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-radius: var(--gs-radius);
    padding: 30px 26px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gs-cap-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(23, 24, 26, 0.08);
}

.gs-cap-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--gs-cobalt-soft);
    color: var(--gs-cobalt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
}

.gs-cap-title {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 10px;
}

.gs-cap-desc {
    font-size: 14px;
    color: var(--gs-ink-soft);
}

.gs-line-list {
    margin-top: 34px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-radius: var(--gs-radius);
    padding: 26px 30px;
}

.gs-line-list li {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    font-size: 15px;
    color: var(--gs-ink-soft);
}

.gs-line-tag {
    flex: none;
    font-size: 12px;
    font-weight: 800;
    color: var(--gs-cobalt);
    background: var(--gs-cobalt-soft);
    border-radius: 999px;
    padding: 4px 12px;
    letter-spacing: 1px;
}

/* ---------- 产品体验深色面板 ---------- */
.gs-experience-panel {
    background: var(--gs-ink);
    color: var(--gs-paper);
    border-radius: var(--gs-radius-lg);
    padding: 56px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 52px;
    align-items: center;
}

.gs-experience-panel .gs-h2 {
    color: var(--gs-paper);
}

.gs-exp-lead {
    margin-top: 16px;
    color: rgba(250, 246, 239, 0.78);
    font-size: 15px;
    max-width: 560px;
}

.gs-exp-list {
    margin: 26px 0 34px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.gs-exp-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 15px;
    color: rgba(250, 246, 239, 0.85);
}

.gs-exp-item i {
    color: var(--gs-orange);
    margin-top: 5px;
}

.gs-exp-img {
    border-radius: var(--gs-radius);
    overflow: hidden;
    border: 1px solid rgba(250, 246, 239, 0.18);
}

.gs-exp-img img {
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
}

/* ---------- 作品网格与筛选 ---------- */
.gs-filter-bar {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.gs-filter-btn {
    padding: 9px 20px;
    border-radius: 999px;
    border: 1px solid var(--gs-line);
    background: transparent;
    color: var(--gs-ink-soft);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.gs-filter-btn:hover {
    border-color: var(--gs-orange);
    color: var(--gs-orange-deep);
}

.gs-filter-btn.is-active {
    background: var(--gs-orange);
    border-color: var(--gs-orange);
    color: var(--gs-white);
}

.gs-portfolio-grid {
    margin-top: 34px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gs-project-card {
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-radius: var(--gs-radius);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gs-project-card.is-hidden {
    display: none;
}

.gs-project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(23, 24, 26, 0.1);
}

.gs-project-cover {
    overflow: hidden;
}

.gs-project-cover img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gs-project-card:hover .gs-project-cover img {
    transform: scale(1.05);
}

.gs-project-body {
    padding: 22px 22px 26px;
}

.gs-project-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--gs-cobalt-soft);
    color: var(--gs-cobalt);
    margin-bottom: 12px;
}

.gs-project-title {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 8px;
}

.gs-project-note {
    font-size: 14px;
    color: var(--gs-ink-soft);
}

/* ---------- 编辑日志(左侧配图 + 右侧列表) ---------- */
.gs-journal-grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: start;
}

.gs-journal-side {
    position: sticky;
    top: 110px;
}

.gs-journal-side img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--gs-radius-lg);
    border: 1px solid var(--gs-line);
}

.gs-journal-caption {
    margin-top: 12px;
    font-size: 13px;
    color: var(--gs-ink-soft);
}

.gs-journal-wrap {
    border-top: 1px solid var(--gs-line);
}

.gs-journal-item,
.gs-post-row {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.gs-journal-item.gs-will-reveal,
.gs-post-row.gs-will-reveal {
    opacity: 0;
    transform: translateY(18px);
}

.gs-journal-item.gs-reveal,
.gs-post-row.gs-reveal {
    opacity: 1;
    transform: none;
}

.gs-journal-item {
    display: grid;
    grid-template-columns: 130px 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 30px 6px;
    border-bottom: 1px solid var(--gs-line);
}

.gs-journal-date {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--gs-orange-deep);
}

.gs-journal-title {
    font-size: 20px;
    font-weight: 800;
}

.gs-journal-excerpt {
    margin-top: 6px;
    font-size: 14px;
    color: var(--gs-ink-soft);
}

.gs-journal-arrow {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid var(--gs-line);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.gs-journal-item:hover .gs-journal-arrow {
    background: var(--gs-ink);
    color: var(--gs-paper);
}

/* ---------- 合作联系带 ---------- */
.gs-contact-band {
    background: var(--gs-cobalt);
    padding: 84px 0;
}

.gs-band-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
}

.gs-band-title {
    margin-top: 14px;
    color: var(--gs-white);
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 900;
}

.gs-band-sub {
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 15px;
}

.gs-band-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.gs-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    background: var(--gs-paper);
    color: var(--gs-cobalt);
    font-weight: 800;
    font-size: 15px;
    font-family: inherit;
    padding: 15px 30px;
    border-radius: 999px;
    border: none;
    transition: all 0.2s ease;
}

.gs-copy-btn:hover {
    transform: translateY(-2px);
    background: var(--gs-white);
}

/* ---------- 会议式 FAQ ---------- */
.gs-faq-wrap {
    max-width: 880px;
    margin: 44px auto 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.gs-faq-item {
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-radius: var(--gs-radius);
    overflow: hidden;
}

.gs-faq-head {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 26px;
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.gs-faq-tag {
    flex: none;
    font-size: 12px;
    font-weight: 800;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--gs-paper-deep);
    color: var(--gs-orange-deep);
    letter-spacing: 1px;
}

.gs-faq-q {
    flex: 1;
    font-size: 17px;
    font-weight: 800;
    color: var(--gs-ink);
}

.gs-faq-icon {
    flex: none;
    width: 30px;
    height: 30px;
    border-radius: 999px;
    border: 1px solid var(--gs-line);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease;
}

.gs-faq-item.is-open .gs-faq-icon {
    transform: rotate(45deg);
}

.gs-faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.gs-faq-a {
    padding: 0 26px 24px;
    color: var(--gs-ink-soft);
    font-size: 15px;
}

/* ---------- 收尾 CTA ---------- */
.gs-final-cta {
    background: var(--gs-ink);
    color: var(--gs-paper);
    text-align: center;
}

.gs-final-cta .gs-h2 {
    color: var(--gs-paper);
}

.gs-final-note {
    margin-top: 14px;
    color: rgba(250, 246, 239, 0.7);
    font-size: 14px;
}

.gs-cta-row {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

/* ---------- Footer:工作室署名页脚 ---------- */
.gs-footer {
    background: #101113;
    color: rgba(250, 246, 239, 0.78);
}

.gs-footer-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 70px 28px 40px;
}

.gs-footer-top {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 48px;
}

.gs-footer-brand {
    color: var(--gs-paper);
    font-size: 20px;
    font-weight: 900;
}

.gs-footer-brand a {
    color: var(--gs-paper);
}

.gs-footer-brand a:hover {
    color: var(--gs-orange);
}

.gs-footer-desc {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.9;
}

.gs-footer-sign {
    margin-top: 16px;
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--gs-orange);
}

.gs-footer-title {
    color: var(--gs-paper);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

.gs-footer-links li {
    margin-bottom: 10px;
}

.gs-footer-links a {
    font-size: 14px;
    color: rgba(250, 246, 239, 0.65);
    transition: color 0.2s ease;
}

.gs-footer-links a:hover {
    color: var(--gs-orange);
}

.gs-footer-note {
    margin-top: 54px;
    padding-top: 22px;
    border-top: 1px solid rgba(250, 246, 239, 0.12);
    font-size: 12px;
    color: rgba(250, 246, 239, 0.5);
    line-height: 1.9;
}

.gs-footer-bottom {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(250, 246, 239, 0.55);
}

/* ---------- 内页:页首 ---------- */
.gs-page-hero {
    padding: 84px 0 72px;
    border-bottom: 1px solid var(--gs-line);
}

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

.gs-page-title {
    margin-top: 16px;
    font-size: clamp(30px, 4.2vw, 52px);
    font-weight: 900;
    line-height: 1.18;
    letter-spacing: 1px;
}

.gs-page-lead {
    margin-top: 18px;
    font-size: 16px;
    color: var(--gs-ink-soft);
    max-width: 640px;
}

.gs-page-hero-visual img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--gs-radius-lg);
    border: 1px solid var(--gs-line);
}

/* ---------- 内页:理念原则 ---------- */
.gs-principle-grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.gs-principle-card {
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-top: 4px solid var(--gs-orange);
    border-radius: var(--gs-radius);
    padding: 30px 26px;
}

.gs-principle-num {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--gs-cobalt);
}

.gs-principle-title {
    margin: 12px 0 10px;
    font-size: 19px;
    font-weight: 800;
}

.gs-principle-desc {
    font-size: 14px;
    color: var(--gs-ink-soft);
}

/* ---------- 内页:流程步骤 ---------- */
.gs-process {
    margin-top: 38px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.gs-process-step {
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-radius: var(--gs-radius);
    padding: 28px 22px;
}

.gs-process-step i {
    display: inline-block;
    font-size: 20px;
    color: var(--gs-orange-deep);
    margin-bottom: 14px;
}

.gs-process-title {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 8px;
}

.gs-process-desc {
    font-size: 14px;
    color: var(--gs-ink-soft);
}

/* ---------- 内页:引言与语汇 ---------- */
.gs-quote {
    margin-top: 26px;
    border-left: 4px solid var(--gs-orange);
    padding: 6px 0 6px 22px;
}

.gs-quote p {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.6;
}

.gs-quote span {
    display: block;
    margin-top: 10px;
    font-size: 13px;
    color: var(--gs-ink-soft);
    font-weight: 600;
}

.gs-vocab-strip {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.gs-vocab-chip {
    padding: 10px 22px;
    border-radius: 999px;
    background: var(--gs-paper-deep);
    border: 1px solid var(--gs-line);
    font-weight: 700;
    font-size: 15px;
}

/* ---------- 内页:作品矩阵 ---------- */
.gs-matrix {
    margin-top: 38px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gs-matrix-cell {
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-radius: var(--gs-radius);
    padding: 30px 26px;
}

.gs-matrix-cell:nth-child(2),
.gs-matrix-cell:nth-child(5) {
    background: var(--gs-cobalt-soft);
}

.gs-matrix-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--gs-ink);
    color: var(--gs-paper);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.gs-matrix-name {
    margin: 16px 0 10px;
    font-size: 19px;
    font-weight: 900;
}

.gs-matrix-desc {
    font-size: 14px;
    color: var(--gs-ink-soft);
}

/* ---------- 内页:日志列表 ---------- */
.gs-post-feature {
    margin-top: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px;
    align-items: center;
}

.gs-post-feature img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--gs-radius-lg);
    border: 1px solid var(--gs-line);
}

.gs-post-list {
    margin-top: 44px;
    border-top: 1px solid var(--gs-line);
}

.gs-post-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 24px;
    padding: 28px 6px;
    border-bottom: 1px solid var(--gs-line);
}

.gs-post-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.gs-post-date {
    font-size: 13px;
    font-weight: 700;
    color: var(--gs-orange-deep);
}

.gs-post-col {
    font-size: 12px;
    font-weight: 700;
    color: var(--gs-cobalt);
    letter-spacing: 1px;
}

.gs-post-title {
    font-size: 19px;
    font-weight: 800;
}

.gs-post-excerpt {
    margin-top: 8px;
    font-size: 14px;
    color: var(--gs-ink-soft);
}

.gs-archive-strip {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

/* ---------- 内页:合作入口 ---------- */
.gs-coop-grid {
    margin-top: 38px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.gs-coop-card {
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-radius: var(--gs-radius);
    border-bottom: 4px solid transparent;
    padding: 30px 24px;
    transition: all 0.2s ease;
}

.gs-coop-card:hover {
    border-bottom-color: var(--gs-orange);
    transform: translateY(-4px);
}

.gs-coop-icon {
    color: var(--gs-cobalt);
    font-size: 24px;
}

.gs-coop-title {
    margin: 16px 0 10px;
    font-size: 18px;
    font-weight: 800;
}

.gs-coop-desc {
    font-size: 14px;
    color: var(--gs-ink-soft);
}

.gs-contact-grid {
    margin-top: 44px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 46px;
    align-items: start;
}

.gs-form-panel {
    background: var(--gs-white);
    border: 1px solid var(--gs-line);
    border-radius: var(--gs-radius-lg);
    padding: 40px 36px;
}

.gs-form-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 6px;
}

.gs-form-sub {
    font-size: 13px;
    color: var(--gs-ink-soft);
    margin-bottom: 24px;
}

.gs-form-field {
    margin-bottom: 18px;
}

.gs-form-field label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.gs-form-field input,
.gs-form-field select,
.gs-form-field textarea {
    width: 100%;
    border: 1px solid var(--gs-line);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 15px;
    background: var(--gs-paper);
    color: var(--gs-ink);
    font-family: inherit;
    outline: none;
}

.gs-form-field input:focus,
.gs-form-field select:focus,
.gs-form-field textarea:focus {
    border-color: var(--gs-orange);
}

.gs-form-note {
    margin-top: 14px;
    font-size: 13px;
    color: var(--gs-ink-soft);
}

.gs-info-panel {
    background: var(--gs-ink);
    color: var(--gs-paper);
    border-radius: var(--gs-radius-lg);
    padding: 40px 36px;
}

.gs-info-panel img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: var(--gs-radius);
    margin-bottom: 26px;
}

.gs-info-item {
    display: flex;
    gap: 14px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(250, 246, 239, 0.14);
}

.gs-info-item:last-child {
    border-bottom: none;
}

.gs-info-item i {
    color: var(--gs-orange);
    margin-top: 4px;
}

.gs-info-item strong {
    display: block;
    font-size: 15px;
    color: var(--gs-paper);
}

.gs-info-item p {
    font-size: 13px;
    color: rgba(250, 246, 239, 0.72);
    margin-top: 4px;
}

/* ---------- 响应式:1440px ---------- */
@media (max-width: 1440px) {
    .gs-container {
        max-width: 1160px;
    }

    .gs-header-inner,
    .gs-hero-inner,
    .gs-footer-inner {
        max-width: 1160px;
    }
}

/* ---------- 响应式:768px ---------- */
@media (max-width: 768px) {
    .gs-header-inner {
        height: 64px;
    }

    .gs-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--gs-paper);
        flex-direction: column;
        align-items: stretch;
        padding: 10px 20px 18px;
        border-bottom: 1px solid var(--gs-line);
    }

    .gs-nav.is-open {
        display: flex;
    }

    .gs-nav a {
        padding: 12px 10px;
    }

    .gs-nav-toggle {
        display: flex;
    }

    .gs-hero-inner {
        grid-template-columns: 1fr;
        gap: 44px;
        padding: 56px 22px 72px;
    }

    .gs-split,
    .gs-journal-grid,
    .gs-page-hero-grid,
    .gs-post-feature,
    .gs-contact-grid {
        grid-template-columns: 1fr;
    }

    .gs-experience-panel {
        grid-template-columns: 1fr;
        padding: 34px 26px;
    }

    .gs-cap-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gs-portfolio-grid,
    .gs-matrix {
        grid-template-columns: repeat(2, 1fr);
    }

    .gs-principle-grid {
        grid-template-columns: 1fr;
    }

    .gs-process {
        grid-template-columns: repeat(2, 1fr);
    }

    .gs-coop-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gs-footer-top {
        grid-template-columns: 1fr 1fr;
    }

    .gs-journal-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .gs-post-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .gs-journal-side {
        position: static;
    }
}

/* ---------- 响应式:375px ---------- */
@media (max-width: 375px) {
    .gs-hero-inner {
        padding: 48px 18px 60px;
    }

    .gs-section {
        padding: 64px 0;
    }

    .gs-cap-grid,
    .gs-portfolio-grid,
    .gs-matrix,
    .gs-coop-grid,
    .gs-process {
        grid-template-columns: 1fr;
    }

    .gs-footer-top {
        grid-template-columns: 1fr;
    }

    .gs-btn {
        padding: 12px 22px;
        font-size: 14px;
    }

    .gs-experience-panel,
    .gs-form-panel,
    .gs-info-panel {
        padding: 28px 20px;
    }
}