/* ============================================================
   TRIPLY 旅拍摄影 —— 公共样式表（Common / Shared）
   全站通用：圣托里尼海洋蓝主题变量、重置、侧边栏布局（含分组子菜单）、
   按钮、通用 section 头、页脚、返回顶部、reveal 动画，以及被 2 个及以上
   页面复用的组件（stats / video-feature / news / page-hero / breadcrumb /
   filter-bar / work-card / cta-band / info-card / split / 表单基元等）。
   仅单一页面使用的组件已拆分到 css/<page>.css，由各页面单独引入。
   ============================================================ */

:root {
    /* ===== 圣托里尼海洋蓝配色（主调色板） ===== */
    --color-primary: #1c4fa1;
    --color-primary-light: #3870c9;
    --color-primary-dark: #10336d;
    --color-bg-white: #ffffff;
    --color-bg-sand: #f7f3eb;
    --color-text-main: #223340;
    --color-text-secondary: #556672;
    --sky-blue: #7c9ee2;

    /* 深色侧边栏 */
    --sidebar-w: 288px;
    --sidebar-bg: linear-gradient(180deg, #0a1f47 0%, #10336d 100%);
    --sidebar-text: rgba(255, 255, 255, 0.72);
    --sidebar-text-strong: #ffffff;

    --shadow-sm: 0 2px 12px rgba(28, 79, 161, 0.08);
    --shadow-md: 0 12px 40px rgba(28, 79, 161, 0.14);
    --shadow-lg: 0 30px 80px rgba(16, 51, 109, 0.22);
    --radius: 18px;
    --radius-sm: 12px;
    --radius-lg: 26px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Mulish', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--color-text-main);
    background: var(--color-bg-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cormorant Garamond', 'Noto Serif SC', 'Songti SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--color-primary); color: #fff; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #eef2f5; }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--color-primary-light), var(--color-primary)); border-radius: 20px; }

/* ============================================================
   LAYOUT —— 左菜单 + 右内容
============================================================ */
.layout { display: flex; min-height: 100vh; }

/* ============ SIDEBAR（左侧菜单） ============ */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 2.4rem 1.7rem;
    z-index: 1200;
    overflow-y: auto;
    transition: transform 0.45s var(--ease);
}

.sidebar::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 12%, rgba(124, 158, 226, 0.18), transparent 42%),
        radial-gradient(circle at 85% 88%, rgba(56, 112, 201, 0.20), transparent 45%);
    pointer-events: none;
}

.sidebar > * { position: relative; z-index: 1; }

.brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 2.6rem;
}

.brand-mark {
    width: 46px; height: 46px;
    flex: 0 0 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--sky-blue), var(--color-primary-light));
    display: grid; place-items: center;
    color: #fff; font-size: 1.25rem;
    box-shadow: 0 8px 22px rgba(124, 158, 226, 0.35);
}

.brand-text .name {
    font-family: 'Cormorant Garamond', 'Noto Serif SC', 'Songti SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 1.5rem; font-weight: 700;
    color: var(--sidebar-text-strong);
    letter-spacing: 0.04em; line-height: 1;
}
.brand-text .tag {
    font-size: 0.68rem; letter-spacing: 0.32em;
    text-transform: uppercase; color: var(--sky-blue);
    margin-top: 0.35rem;
}

/* 品牌 LOGO 图片（白色圆角徽章，适配深色侧边栏） */
.brand-logo {
    width: 100%;
    height: auto;
    background: #fff;
    border-radius: 14px;
    padding: 0.65rem 0.9rem;
    box-shadow: 0 8px 22px rgba(124, 158, 226, 0.35);
    object-fit: contain;
}

.nav-label {
    font-size: 0.68rem; letter-spacing: 0.24em;
    text-transform: uppercase; color: rgba(255,255,255,0.38);
    margin: 0 0 0.9rem 0.6rem; font-weight: 600;
}

.side-nav { list-style: none; display: flex; flex-direction: column; gap: 0.25rem; }

.side-nav a {
    display: flex; align-items: center; gap: 0.85rem;
    padding: 0.8rem 1rem; border-radius: 12px;
    font-size: 0.95rem; font-weight: 500;
    color: var(--sidebar-text);
    transition: all 0.3s var(--ease);
    position: relative;
}

.side-nav a i { font-size: 1rem; width: 20px; text-align: center; transition: transform 0.3s var(--ease), color 0.3s var(--ease); }

.side-nav a::before {
    content: '';
    position: absolute; left: 0; top: 50%;
    width: 3px; height: 0; border-radius: 3px;
    background: var(--sky-blue);
    transform: translateY(-50%);
    transition: height 0.3s var(--ease);
}

.side-nav a:hover {
    background: rgba(255,255,255,0.07);
    color: var(--sidebar-text-strong);
    transform: translateX(4px);
}
.side-nav a:hover i { transform: scale(1.15); color: var(--sky-blue); }

.side-nav a.active {
    background: linear-gradient(90deg, rgba(124,158,226,0.22), rgba(124,158,226,0.04));
    color: var(--sidebar-text-strong);
}
.side-nav a.active::before { height: 60%; }
.side-nav a.active i { color: var(--sky-blue); }

/* ============ 侧边栏分组 & 子菜单（摄影服务 → 婚纱摄影 / 个人写真） ============ */
.nav-group { position: relative; }
.nav-parent-row { display: flex; align-items: center; gap: 0.35rem; }
.nav-parent-row > a { flex: 1; min-width: 0; }
.nav-parent-row > a:hover { transform: none; }
.nav-caret {
    flex: 0 0 auto; width: 30px; height: 30px; margin-right: 0.35rem;
    border: none; border-radius: 9px; background: transparent;
    color: var(--sidebar-text); cursor: pointer; font-size: 0.7rem;
    display: grid; place-items: center;
    transition: transform 0.35s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}
.nav-caret:hover { background: rgba(255,255,255,0.08); color: var(--sidebar-text-strong); }
.nav-group.open > .nav-parent-row .nav-caret { transform: rotate(180deg); color: var(--sky-blue); }

.sub-nav {
    list-style: none; display: flex; flex-direction: column; gap: 0.15rem;
    margin: 0 0 0 1.35rem; padding-left: 0.75rem;
    border-left: 1px solid rgba(255,255,255,0.12);
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height 0.4s var(--ease), opacity 0.35s var(--ease), margin 0.35s var(--ease);
}
.nav-group.open > .sub-nav { max-height: 240px; opacity: 1; margin: 0.25rem 0 0.3rem 1.35rem; }
.sub-nav a {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 0.6rem 0.9rem; border-radius: 10px;
    font-size: 0.88rem; font-weight: 500; color: var(--sidebar-text);
    position: relative; transition: all 0.3s var(--ease);
}
.sub-nav a::before {
    content: ''; position: absolute; left: -0.85rem; top: 50%;
    width: 2px; height: 0; border-radius: 2px; background: var(--sky-blue);
    transform: translateY(-50%); transition: height 0.3s var(--ease);
}
.sub-nav a i { font-size: 0.85rem; width: 18px; text-align: center; opacity: 0.85; transition: transform 0.3s var(--ease), color 0.3s var(--ease); }
.sub-nav a:hover { background: rgba(255,255,255,0.06); color: var(--sidebar-text-strong); transform: translateX(3px); }
.sub-nav a:hover i { transform: scale(1.12); color: var(--sky-blue); opacity: 1; }
.sub-nav a.active { background: linear-gradient(90deg, rgba(124,158,226,0.20), rgba(124,158,226,0.03)); color: var(--sidebar-text-strong); }
.sub-nav a.active::before { height: 55%; }
.sub-nav a.active i { color: var(--sky-blue); opacity: 1; }
.nav-group.has-active > .nav-parent-row > a { color: var(--sidebar-text-strong); }
.nav-group.has-active > .nav-parent-row > a i { color: var(--sky-blue); }

.sidebar-footer { margin-top: auto; padding-top: 2rem; }

.sidebar-cta {
    display: block; text-align: center;
    background: linear-gradient(135deg, var(--sky-blue), var(--color-primary-light));
    color: #fff; font-weight: 600; font-size: 0.92rem;
    padding: 0.9rem 1rem; border-radius: 14px;
    box-shadow: 0 10px 26px rgba(28,79,161,0.35);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
    margin-bottom: 1.4rem;
}
.sidebar-cta:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(28,79,161,0.45); }
.sidebar-cta i { margin-right: 0.5rem; }

.social-row { display: flex; gap: 0.6rem; justify-content: center; margin-bottom: 1.1rem; }
.social-row a {
    width: 38px; height: 38px; border-radius: 50%;
    display: grid; place-items: center;
    background: rgba(255,255,255,0.08); color: var(--sidebar-text);
    transition: all 0.3s var(--ease); font-size: 0.9rem;
}
.social-row a:hover { background: var(--sky-blue); color: #fff; transform: translateY(-3px); }

.sidebar-copy { text-align: center; font-size: 0.72rem; color: rgba(255,255,255,0.34); letter-spacing: 0.04em; }

/* ============ 移动端菜单按钮 & 遮罩 ============ */
.menu-toggle {
    position: fixed; top: 1.1rem; left: 1.1rem; z-index: 1300;
    width: 48px; height: 48px; border-radius: 14px; border: none;
    background: var(--sidebar-bg); color: #fff;
    display: none; place-items: center; font-size: 1.2rem; cursor: pointer;
    box-shadow: var(--shadow-md);
}
.sidebar-backdrop {
    position: fixed; inset: 0; background: rgba(10,31,71,0.55);
    backdrop-filter: blur(3px); opacity: 0; visibility: hidden;
    transition: opacity 0.4s var(--ease), visibility 0.4s;
    z-index: 1150;
}
.sidebar-backdrop.show { opacity: 1; visibility: visible; }

/* ============ MAIN（右侧内容） ============ */
.main {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-width: 0;
}

.content-wrap { max-width: 1240px; margin: 0 auto; padding: 0 2.6rem; }

section { scroll-margin-top: 20px; }

/* ============ 按钮 ============ */
.btn {
    display: inline-flex; align-items: center; gap: 0.6rem;
    padding: 0.95rem 2.2rem; border-radius: 50px;
    font-weight: 600; font-size: 0.95rem; letter-spacing: 0.02em;
    border: none; cursor: pointer; transition: all 0.35s var(--ease);
}
.btn-primary { background: linear-gradient(135deg, var(--sky-blue), var(--color-primary)); color: #fff; box-shadow: 0 12px 30px rgba(28,79,161,0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(28,79,161,0.55); }
.btn-ghost { background: rgba(255,255,255,0.1); color: #fff; border: 1.5px solid rgba(255,255,255,0.45); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.2); border-color: #fff; transform: translateY(-3px); }
.btn-solid { background: var(--color-primary); color: #fff; box-shadow: 0 12px 30px rgba(28,79,161,0.32); }
.btn-solid:hover { background: var(--color-primary-dark); transform: translateY(-3px); box-shadow: 0 18px 40px rgba(28,79,161,0.45); }

/* ============ 通用 SECTION 头 ============ */
.block { padding: 6.5rem 0; }
.block-sand { background: var(--color-bg-sand); }
.sec-head { margin-bottom: 3.4rem; max-width: 640px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-kicker {
    display: inline-flex; align-items: center; gap: 0.55rem;
    font-size: 0.78rem; font-weight: 600; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--color-primary); margin-bottom: 1rem;
}
.sec-kicker::before { content: ''; width: 28px; height: 2px; background: linear-gradient(90deg, var(--color-primary), var(--sky-blue)); border-radius: 2px; }
.sec-head.center .sec-kicker::after { content: ''; width: 28px; height: 2px; background: linear-gradient(90deg, var(--sky-blue), var(--color-primary)); border-radius: 2px; }
.sec-title { font-size: clamp(1.9rem, 3.6vw, 2.9rem); color: var(--color-text-main); margin-bottom: 1rem; }
.sec-title span { color: var(--color-primary); font-style: italic; }
.sec-desc { color: var(--color-text-secondary); font-size: 1.02rem; font-weight: 300; line-height: 1.85; }

/* ============ 数据条（首页 + 圣托里尼） ============ */
.stats {
    background: var(--sidebar-bg); border-radius: var(--radius-lg);
    padding: 3rem 2rem; display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem; position: relative; overflow: hidden;
}
.stats::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(124,158,226,0.2), transparent 45%), radial-gradient(circle at 80% 80%, rgba(56,112,201,0.2), transparent 45%);
}
.stat { text-align: center; position: relative; z-index: 1; }
.stat .num { font-family: 'Cormorant Garamond', 'Noto Serif SC', 'Songti SC', 'PingFang SC', 'Microsoft YaHei', sans-serif; font-size: 2.7rem; font-weight: 700; color: #fff; line-height: 1; }
.stat .num i { color: var(--sky-blue); font-style: normal; }
.stat .lbl { color: rgba(255,255,255,0.6); font-size: 0.85rem; letter-spacing: 0.1em; margin-top: 0.6rem; text-transform: uppercase; }

/* ============ 视频特写（首页 + 视频作品） ============ */
.video-feature {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    height: 480px; box-shadow: var(--shadow-lg); cursor: pointer;
}
.video-feature img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); filter: brightness(0.8); }
.video-feature:hover img { transform: scale(1.06); }
.video-feature .vf-veil { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,31,71,0.9), rgba(16,51,109,0.3) 55%, transparent); }
.vf-play {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 96px; height: 96px; border-radius: 50%;
    background: rgba(255,255,255,0.16); backdrop-filter: blur(14px);
    border: 2px solid rgba(255,255,255,0.4);
    display: grid; place-items: center; color: #fff; font-size: 1.8rem;
    transition: all 0.4s var(--ease);
}
.vf-play i { margin-left: 5px; }
.video-feature:hover .vf-play { background: var(--color-primary); border-color: var(--color-primary); transform: translate(-50%,-50%) scale(1.1); box-shadow: 0 0 0 12px rgba(124,158,226,0.18); }
.vf-info { position: absolute; left: 2.6rem; bottom: 2.4rem; z-index: 2; color: #fff; max-width: 520px; }
.vf-info .vf-tag { color: var(--sky-blue); font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; }
.vf-info h3 { font-size: 2rem; margin: 0.5rem 0 0.6rem; }
.vf-info p { color: rgba(255,255,255,0.8); font-weight: 300; font-size: 0.98rem; }

/* ============ 联系信息列表（首页 + 联系我们） ============ */
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 1.2rem; margin-bottom: 2rem; }
.contact-list li { display: flex; align-items: center; gap: 1rem; color: var(--color-text-main); font-size: 0.98rem; }
.contact-list li i {
    width: 44px; height: 44px; flex: 0 0 44px; border-radius: 12px;
    background: linear-gradient(135deg, rgba(124,158,226,0.18), rgba(28,79,161,0.1));
    color: var(--color-primary); display: grid; place-items: center; font-size: 1rem;
}

/* ============ 摄影资讯卡片（首页 + 摄影资讯） ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.news-card {
    background: #fff; border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-sm); border: 1px solid rgba(28,79,161,0.06);
    display: flex; flex-direction: column;
    transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.news-thumb { position: relative; height: 200px; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.news-card:hover .news-thumb img { transform: scale(1.08); }
.news-tag {
    position: absolute; top: 1rem; left: 1rem;
    background: var(--color-primary); color: #fff;
    font-size: 0.72rem; letter-spacing: 0.06em; font-weight: 500;
    padding: 0.32rem 0.95rem; border-radius: 50px;
    box-shadow: 0 6px 16px rgba(28,79,161,0.35);
}
.news-body { padding: 1.6rem; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 1.14rem; color: var(--color-text-main); margin-bottom: 0.7rem; line-height: 1.45; }
.news-body p { color: var(--color-text-secondary); font-size: 0.9rem; font-weight: 300; margin-bottom: 1.2rem; flex: 1; }
.news-meta {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 1rem; border-top: 1px solid rgba(28,79,161,0.1);
    font-size: 0.8rem; color: var(--color-text-secondary);
}
.news-meta a { color: var(--color-primary); font-weight: 600; display: inline-flex; align-items: center; gap: 0.4rem; transition: gap 0.3s var(--ease), color 0.3s var(--ease); }
.news-meta a:hover { gap: 0.75rem; color: var(--color-primary-dark); }

/* ============ 页面横幅 Page Hero（全部子页） ============ */
.page-hero {
    position: relative; min-height: 46vh;
    display: flex; align-items: flex-end;
    padding: 5.5rem 0 3.2rem; overflow: hidden;
}
.page-hero .ph-bg { position: absolute; inset: 0; z-index: 0; }
.page-hero .ph-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.7) saturate(1.03); }
.page-hero .ph-veil {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(105deg, rgba(10,31,71,0.86) 0%, rgba(16,51,109,0.5) 48%, rgba(16,51,109,0.2) 100%);
}
.page-hero .ph-inner { position: relative; z-index: 2; width: 100%; }
.ph-eyebrow {
    display: inline-flex; align-items: center; gap: 0.6rem;
    background: rgba(255,255,255,0.14); backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.22);
    color: #fff; padding: 0.45rem 1.2rem; border-radius: 50px;
    font-size: 0.76rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
    margin-bottom: 1.2rem;
}
.ph-eyebrow i { color: var(--sky-blue); }
.ph-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem); color: #fff; font-weight: 700;
    text-shadow: 0 6px 40px rgba(0,0,0,0.35); margin-bottom: 0.9rem; max-width: 18ch;
}
.ph-title em { font-style: italic; color: var(--sky-blue); font-weight: 500; }
.ph-sub { color: rgba(255,255,255,0.86); font-size: 1.05rem; font-weight: 300; max-width: 560px; line-height: 1.8; }

/* ============ 面包屑（全部子页） ============ */
.breadcrumb { display: flex; align-items: center; gap: 0.6rem; margin-top: 1.6rem; font-size: 0.85rem; color: rgba(255,255,255,0.62); flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,0.82); transition: color 0.3s var(--ease); }
.breadcrumb a:hover { color: var(--sky-blue); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--sky-blue); font-weight: 500; }

/* ============ 筛选栏（婚纱摄影 + 摄影资讯） ============ */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.7rem; justify-content: center; margin-bottom: 3rem; }
.filter-btn {
    padding: 0.6rem 1.5rem; border-radius: 50px; cursor: pointer;
    border: 1.5px solid rgba(28,79,161,0.18); background: #fff;
    color: var(--color-text-secondary); font-size: 0.9rem; font-weight: 500;
    font-family: inherit; transition: all 0.3s var(--ease);
    text-decoration: none; display: inline-block;
}
.filter-btn:hover { border-color: var(--color-primary-light); color: var(--color-primary); transform: translateY(-2px); }
.filter-btn.active { background: linear-gradient(135deg, var(--sky-blue), var(--color-primary)); border-color: transparent; color: #fff; box-shadow: 0 10px 24px rgba(28,79,161,0.32); }

/* ============ 作品网格卡片（婚纱摄影 + 个人写真 + 圣托里尼） ============ */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.work-card {
    position: relative; border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-sm); cursor: pointer; aspect-ratio: 4 / 5;
    text-decoration: none; display: block;
    transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.work-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.work-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.work-card:hover img { transform: scale(1.09); }
.work-card .wc-veil { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,31,71,0.9), rgba(16,51,109,0.35) 50%, transparent); opacity: 0.85; transition: opacity 0.4s var(--ease); }
.work-card:hover .wc-veil { opacity: 1; }
.work-card .wc-cap { position: absolute; left: 1.5rem; right: 1.5rem; bottom: 1.4rem; color: #fff; z-index: 2; transform: translateY(10px); transition: transform 0.45s var(--ease); }
.work-card:hover .wc-cap { transform: translateY(0); }
.work-card .wc-cap span { font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky-blue); }
.work-card .wc-cap h4 { font-size: 1.24rem; margin-top: 0.25rem; }
.work-card .wc-cap p { font-size: 0.86rem; color: rgba(255,255,255,0.78); font-weight: 300; margin-top: 0.4rem; max-height: 0; opacity: 0; overflow: hidden; transition: all 0.45s var(--ease); }
.work-card:hover .wc-cap p { max-height: 60px; opacity: 1; }

/* ============ 瀑布流画廊（首页精选 + 相册列表 + 相关图册共用） ============ */
.masonry { columns: 3; column-gap: 1.4rem; }
.masonry-item {
    display: block; /* 条目为 <a> 链接，需显式块级化，否则行内盒会破坏瀑布流排版 */
    break-inside: avoid; margin-bottom: 1.4rem;
    border-radius: var(--radius); overflow: hidden; position: relative;
    cursor: pointer; box-shadow: var(--shadow-sm);
    transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.masonry-item img { width: 100%; height: auto; transition: transform 0.7s var(--ease); filter: saturate(0.95) contrast(1.03); }
.masonry-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.masonry-item:hover img { transform: scale(1.08); }
.masonry-cap {
    position: absolute; inset: auto 0 0 0; padding: 2.4rem 1.4rem 1.3rem;
    background: linear-gradient(to top, rgba(10,31,71,0.9), rgba(16,51,109,0.4) 55%, transparent);
    color: #fff; opacity: 0; transform: translateY(12px);
    transition: all 0.45s var(--ease);
}
.masonry-item:hover .masonry-cap { opacity: 1; transform: translateY(0); }
.masonry-cap h4 { font-size: 1.35rem; font-weight: 600; margin-bottom: 0.25rem; color: #ffffff; text-shadow: 0 2px 8px rgba(10,31,71,0.7); }
.masonry-cap span { font-size: 0.92rem; font-weight: 500; color: #ffffff; letter-spacing: 0.08em; text-transform: uppercase; text-shadow: 0 1px 6px rgba(10,31,71,0.8); }
.masonry-badge {
    position: absolute; top: 1rem; right: 1rem;
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.18); backdrop-filter: blur(8px);
    display: grid; place-items: center; color: #fff;
    opacity: 0; transform: scale(0.6); transition: all 0.4s var(--ease);
}
.masonry-item:hover .masonry-badge { opacity: 1; transform: scale(1); }

/* 首页精选作品：规则网格排列（非瀑布流），封面统一 3:4 裁切 */
.masonry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.masonry-grid .masonry-item { margin-bottom: 0; }
.masonry-grid .masonry-item img { height: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: center; display: block; }

/* ============ CTA 横幅（多个子页） ============ */
.cta-band { position: relative; border-radius: var(--radius-lg); overflow: hidden; padding: 4rem 3rem; text-align: center; background: var(--sidebar-bg); box-shadow: var(--shadow-lg); }
.cta-band::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 18% 20%, rgba(124,158,226,0.22), transparent 46%), radial-gradient(circle at 82% 82%, rgba(56,112,201,0.22), transparent 46%); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 0.9rem; }
.cta-band p { color: rgba(255,255,255,0.78); font-weight: 300; max-width: 560px; margin: 0 auto 2rem; }

/* ============ 表单基元（联系我们 + 摄影资讯订阅） ============ */
.form-control {
    width: 100%; padding: 0.85rem 1.1rem; border-radius: var(--radius-sm);
    border: 1.5px solid rgba(28,79,161,0.16); background: #fbfdff;
    font-family: inherit; font-size: 0.94rem; color: var(--color-text-main);
    transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.form-control::placeholder { color: #9aa9b4; font-weight: 300; }
.form-control:focus { outline: none; border-color: var(--color-primary-light); background: #fff; box-shadow: 0 0 0 4px rgba(124,158,226,0.16); }
textarea.form-control { resize: vertical; min-height: 132px; }
select.form-control { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231c4fa1' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1.1rem center; }
.form-tip { display: none; margin-top: 1rem; color: var(--color-primary); font-size: 0.9rem; font-weight: 500; }

/* ============ 信息 / 地点卡片（视频作品 + 联系我们） ============ */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.info-card { background: #fff; border-radius: var(--radius); padding: 2.2rem 1.8rem; box-shadow: var(--shadow-sm); border: 1px solid rgba(28,79,161,0.06); text-align: center; transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease); }
.info-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.info-card .ic-icon { width: 60px; height: 60px; margin: 0 auto 1.2rem; border-radius: 18px; background: linear-gradient(135deg, rgba(124,158,226,0.2), rgba(28,79,161,0.12)); color: var(--color-primary); display: grid; place-items: center; font-size: 1.4rem; }
.info-card h4 { font-size: 1.16rem; color: var(--color-text-main); margin-bottom: 0.5rem; }
.info-card p { color: var(--color-text-secondary); font-size: 0.92rem; font-weight: 300; }
.info-card a { color: var(--color-primary); font-weight: 500; }

/* ============ 双栏图文（个人写真 / 摄影资讯 / 圣托里尼 / 联系我们） ============ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.split-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); min-height: 400px; }
.split-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.split-media:hover img { transform: scale(1.06); }
.split-body h3 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 1rem; }
.split-body p { color: var(--color-text-secondary); font-weight: 300; margin-bottom: 1.2rem; line-height: 1.85; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 0.9rem; margin: 1.4rem 0 2rem; }
.feature-list li { display: flex; align-items: flex-start; gap: 0.8rem; color: var(--color-text-main); font-size: 0.96rem; font-weight: 300; }
.feature-list li i { color: var(--color-primary); margin-top: 0.25rem; }

/* ============ FOOTER ============ */
.site-footer { background: #08182f; color: rgba(255,255,255,0.55); padding: 2.4rem 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-inner .fbrand { font-family: 'Cormorant Garamond', 'Noto Serif SC', 'Songti SC', 'PingFang SC', 'Microsoft YaHei', sans-serif; color: #fff; font-size: 1.3rem; letter-spacing: 0.05em; }
.footer-links { display: flex; gap: 1.6rem; flex-wrap: wrap; font-size: 0.88rem; }
.footer-links a:hover { color: var(--sky-blue); }

/* ============ 返回顶部 ============ */
.to-top {
    position: fixed; bottom: 28px; right: 28px; z-index: 1100;
    width: 50px; height: 50px; border-radius: 50%; border: none; cursor: pointer;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff; font-size: 1.1rem; box-shadow: 0 10px 28px rgba(28,79,161,0.4);
    opacity: 0; visibility: hidden; transform: translateY(16px);
    transition: all 0.4s var(--ease);
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); }

/* ============ reveal 动画 ============ */
.reveal { opacity: 0; transform: translateY(38px); transition: opacity 0.85s var(--ease), transform 0.85s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; } .d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; } .d4 { transition-delay: 0.32s; }

/* ============================================================
   RESPONSIVE —— 公共组件
   （页面独有组件的响应式规则见各自 css/<page>.css）
============================================================ */
@media (max-width: 1200px) {
    .content-wrap { padding: 0 2rem; }
    .work-grid { grid-template-columns: repeat(2, 1fr); }
    .masonry { columns: 2; }
    .masonry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    :root { --sidebar-w: 264px; }
    .sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
    .sidebar.open { transform: translateX(0); }
    .menu-toggle { display: grid; }
    .main { margin-left: 0; }
    .news-grid { grid-template-columns: 1fr 1fr; }
    .stats { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .block { padding: 5rem 0; }
    .split { grid-template-columns: 1fr; gap: 2rem; }
    .split-media { min-height: 300px; }
    .info-grid { grid-template-columns: 1fr; }
    .page-hero { padding-top: 6rem; }
}

@media (max-width: 768px) {
    .content-wrap { padding: 0 1.3rem; }
    .block { padding: 4rem 0; }
    .stats { padding: 2.4rem 1.4rem; }
    .stat .num { font-size: 2.2rem; }
    .footer-inner { justify-content: center; text-align: center; }
    .news-grid { grid-template-columns: 1fr; }
    .work-grid { grid-template-columns: 1fr; }
    .masonry { columns: 1; }
    .masonry-grid { grid-template-columns: 1fr; }
    .video-feature { height: 380px; }
    .vf-info { left: 1.5rem; right: 1.5rem; bottom: 1.8rem; }
    .vf-info h3 { font-size: 1.5rem; }
    .cta-band { padding: 3rem 1.6rem; }
    .page-hero { min-height: 40vh; padding: 5.5rem 0 2.4rem; }
    .filter-bar { gap: 0.5rem; }
    .filter-btn { padding: 0.5rem 1.1rem; font-size: 0.84rem; }
}

@media (max-width: 420px) {
    .stats { grid-template-columns: 1fr; }
    .btn { padding: 0.85rem 1.7rem; font-size: 0.9rem; }
}

/* ============ 微信客服二维码弹窗（点击侧边栏微信图标触发） ============ */
.wx-modal {
    position: fixed; inset: 0; z-index: 2000;
    display: grid; place-items: center; padding: 1.5rem;
    background: rgba(10,31,71,0.6); backdrop-filter: blur(6px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.wx-modal.show { opacity: 1; visibility: visible; }
.wx-modal-box {
    position: relative; width: 100%; max-width: 340px;
    background: #fff; border-radius: var(--radius-lg);
    padding: 2rem 1.8rem 1.8rem; text-align: center;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.96);
    transition: transform 0.4s var(--ease);
}
.wx-modal.show .wx-modal-box { transform: none; }
.wx-modal-close {
    position: absolute; top: 0.9rem; right: 0.9rem;
    width: 34px; height: 34px; border-radius: 50%; border: none; cursor: pointer;
    background: rgba(28,79,161,0.08); color: var(--color-primary);
    font-size: 1rem; display: grid; place-items: center;
    transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}
.wx-modal-close:hover { background: var(--color-primary); color: #fff; transform: rotate(90deg); }
.wx-modal-head {
    display: inline-flex; align-items: center; gap: 0.55rem;
    font-family: 'Cormorant Garamond', 'Noto Serif SC', 'Songti SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 1.25rem; font-weight: 600; color: var(--color-text-main);
    margin-bottom: 1.1rem;
}
.wx-modal-head i { color: #07c160; font-size: 1.35rem; }
.wx-modal-img {
    width: 100%; max-width: 240px; margin: 0 auto;
    border-radius: var(--radius-sm); border: 1px solid rgba(28,79,161,0.1);
}
.wx-modal-tip { margin-top: 1rem; font-size: 0.86rem; color: var(--color-text-secondary); font-weight: 300; }

/* ============ 图片灯箱（[data-lightbox] 触发，全站共享） ============ */
.lightbox {
    position: fixed; inset: 0; z-index: 2100;
    display: grid; place-items: center;
    background: rgba(8, 24, 47, 0.92); backdrop-filter: blur(8px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.lightbox.show { opacity: 1; visibility: visible; }
.lb-stage {
    max-width: min(1100px, 86vw); max-height: 86vh;
    display: flex; flex-direction: column; align-items: center; gap: 0.9rem;
}
.lb-img {
    max-width: 100%; max-height: 76vh; width: auto; height: auto;
    object-fit: contain; border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
}
.lb-counter { color: rgba(255,255,255,0.72); font-size: 0.85rem; letter-spacing: 0.14em; }
.lb-close, .lb-prev, .lb-next {
    position: absolute; border: none; cursor: pointer; color: #fff;
    width: 48px; height: 48px; border-radius: 50%;
    background: rgba(255,255,255,0.12); backdrop-filter: blur(6px);
    display: grid; place-items: center; font-size: 1.1rem;
    transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.lb-close { top: 1.4rem; right: 1.4rem; }
.lb-close:hover { background: var(--color-primary); transform: rotate(90deg); }
.lb-prev { left: 1.6rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1.6rem; top: 50%; transform: translateY(-50%); }
.lb-prev:hover { background: var(--color-primary); transform: translateY(-50%) scale(1.08); }
.lb-next:hover { background: var(--color-primary); transform: translateY(-50%) scale(1.08); }
@media (max-width: 768px) {
    .lb-prev { left: 0.7rem; }
    .lb-next { right: 0.7rem; }
    .lb-stage { max-width: 92vw; }
}

/* ============ 视频弹窗（.video-feature[data-video] 触发） ============ */
.video-modal {
    position: fixed; inset: 0; z-index: 2200;
    display: grid; place-items: center; padding: 1.5rem;
    background: radial-gradient(ellipse at center, rgba(10, 31, 71, 0.85) 0%, rgba(4, 12, 28, 0.96) 100%);
    backdrop-filter: blur(10px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.video-modal.show { opacity: 1; visibility: visible; }
.vm-stage {
    position: relative; width: min(1000px, 94vw);
    transform: translateY(24px) scale(0.96);
    transition: transform 0.45s var(--ease);
    filter: drop-shadow(0 30px 80px rgba(0, 0, 0, 0.55));
}
.video-modal.show .vm-stage { transform: none; }
/* 视频外框：电影感窄边 + 柔光 */
.vm-video {
    display: block; width: 100%; aspect-ratio: 16 / 9;
    background: #000; border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 1px rgba(124, 158, 226, 0.15), 0 24px 70px rgba(0, 0, 0, 0.5);
}
/* 标题栏：渐变深色底，衬线标题 */
.vm-caption {
    display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
    margin-top: 1.1rem; padding: 0 0.4rem;
    color: #fff; text-align: left;
}
.vm-caption .vm-tag {
    color: var(--sky-blue); font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase;
    padding: 0.3rem 0.7rem; border: 1px solid rgba(124, 158, 226, 0.3); border-radius: 20px;
}
.vm-caption .vm-title {
    font-family: 'Cormorant Garamond', 'Noto Serif SC', 'Songti SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 1.45rem; font-weight: 600; letter-spacing: 0.02em;
    margin: 0;
}
.vm-caption .vm-title::after {
    content: ''; display: block; width: 42px; height: 2px; margin-top: 0.5rem;
    background: linear-gradient(90deg, var(--sky-blue), transparent);
}
.vm-tip { display: none; margin-top: 0.9rem; padding: 0 0.4rem; color: rgba(255,255,255,0.7); font-size: 0.86rem; font-weight: 300; }
/* 关闭按钮：悬浮在视频右上角，毛玻璃质感 */
.vm-close {
    position: absolute; top: 1rem; right: 1rem;
    width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.18);
    cursor: pointer; color: #fff;
    background: rgba(0, 0, 0, 0.35); backdrop-filter: blur(8px);
    display: grid; place-items: center; font-size: 1rem; z-index: 2;
    transition: background 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.vm-close:hover { background: var(--color-primary); border-color: var(--color-primary); transform: rotate(90deg); }
@media (max-width: 768px) {
    .vm-close { top: 0.7rem; right: 0.7rem; width: 38px; height: 38px; font-size: 0.9rem; }
    .vm-caption .vm-title { font-size: 1.15rem; }
}