/* ==========================================================================
   南诺方邦建站 nnfb.cn — 首页专属样式
   布局骨架：全屏主视觉 → 行业跑马灯 → 优势错落卡 → 快速入口
             → 服务便当格 → 行业卷轴 → 案例错行 → 流程时间轴
             → 资讯卡阵 → 合作邀请带
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 全屏主视觉
   -------------------------------------------------------------------------- */
.home-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 150px 0 80px;
    overflow: hidden;
    background:
        radial-gradient(700px 460px at 85% 12%, rgba(251, 221, 226, .65) 0%, transparent 68%),
        radial-gradient(760px 520px at 6% 88%, rgba(250, 231, 191, .75) 0%, transparent 66%),
        var(--cream);
}
/* 背景手绘虚线圆与十字（治愈感装饰） */
.home-hero .deco {
    position: absolute;
    pointer-events: none;
}
.deco-circle {
    top: 15%; left: 44%;
    width: 120px; height: 120px;
    border: 2px dashed var(--butter);
    border-radius: 50%;
    animation: floaty 8s ease-in-out infinite;
    opacity: .55;
}
.deco-cross {
    top: 24%; right: 8%;
    width: 34px; height: 34px;
    opacity: .5;
}
.deco-dots {
    bottom: 18%; left: 3%;
    opacity: .4;
}

.home-hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 60px;
    align-items: center;
}

/* 文字逐行浮现 */
.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 7px 18px;
    background: var(--milk);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 13px;
    letter-spacing: .28em;
    color: var(--pink-deep);
    box-shadow: var(--shadow-sm);
    margin-bottom: 26px;
    animation: pageIn .8s .1s ease both;
}
.hero-kicker i {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--butter);
}
.home-hero h1 {
    font-size: clamp(34px, 4.6vw, 56px);
    line-height: 1.32;
    margin-bottom: 24px;
}
.hero-line { display: block; overflow: hidden; }
.hero-line span {
    display: inline-block;
    transform: translateY(110%);
    animation: lineUp .9s cubic-bezier(.22, .7, .3, 1) forwards;
}
.hero-line:nth-child(1) span { animation-delay: .25s; }
.hero-line:nth-child(2) span { animation-delay: .45s; }
.hero-line em {
    color: var(--butter-deep);
    position: relative;
    white-space: nowrap;
}
.hero-line em::after {
    content: "";
    position: absolute;
    left: -2%; right: -2%; bottom: 6px;
    height: 12px;
    background: var(--pink-soft);
    z-index: -1;
    border-radius: 6px;
    transform: scaleX(0);
    transform-origin: left;
    animation: lineGrow .7s 1s cubic-bezier(.22, .7, .3, 1) forwards;
}
@keyframes lineUp { to { transform: translateY(0); } }
@keyframes lineGrow { to { transform: scaleX(1); } }

.hero-desc {
    max-width: 520px;
    color: var(--ink-mute);
    font-size: 16px;
    margin-bottom: 34px;
    animation: pageIn .9s .65s ease both;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 44px;
    animation: pageIn .9s .8s ease both;
}
/* 迷你数据 */
.hero-stats {
    display: flex;
    gap: 38px;
    animation: pageIn .9s .95s ease both;
}
.hero-stat strong {
    display: block;
    font-family: var(--serif);
    font-size: 30px;
    color: var(--butter-deep);
    line-height: 1.2;
}
.hero-stat strong i { font-size: 17px; margin-left: 2px; }
.hero-stat span {
    font-size: 12.5px;
    letter-spacing: .18em;
    color: var(--ink-mute);
}

/* 右侧照片组 */
.hero-visual { position: relative; height: 560px; }
.hero-photo-main {
    position: absolute;
    top: 30px; right: 30px;
    width: 78%;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    transform: rotate(2.5deg);
    animation: pageIn 1.1s .5s ease both;
    overflow: hidden;
}
.hero-photo-main img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.hero-photo-sub {
    position: absolute;
    left: 0; bottom: 46px;
    width: 46%;
    border-radius: var(--r-md);
    box-shadow: var(--shadow);
    transform: rotate(-4deg);
    border: 6px solid var(--milk);
    animation: pageIn 1.1s .75s ease both;
    overflow: hidden;
}
.hero-photo-sub img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.hero-float-card {
    position: absolute;
    top: -8px; left: 14%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 20px;
    background: var(--milk);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    font-size: 13.5px;
    color: var(--ink);
    animation: floaty 6s 1s ease-in-out infinite;
}
.hero-float-card svg { flex-shrink: 0; }
.hero-float-year {
    position: absolute;
    right: 6px; bottom: -6px;
    width: 104px; height: 104px;
    border-radius: 50%;
    background: linear-gradient(140deg, var(--butter) 0%, var(--pink) 100%);
    color: #5C3D0E;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    animation: floatySlow 5s .5s ease-in-out infinite;
    z-index: 2;
}
.hero-float-year strong { font-family: var(--serif); font-size: 30px; color: #53360B; line-height: 1.1; }
.hero-float-year span { font-size: 11px; letter-spacing: .22em; color: #6B4318; }

/* 滚动提示 */
.scroll-cue {
    position: absolute;
    left: 50%; bottom: 26px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: .4em;
    color: var(--ink-mute);
    animation: pageIn 1s 1.4s ease both;
}
.scroll-cue::after {
    content: "";
    width: 1px; height: 42px;
    background: linear-gradient(var(--butter-deep), transparent);
    animation: cueDrop 1.8s ease-in-out infinite;
}
@keyframes cueDrop {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* 主视觉底部波浪衔接 */
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; display: block; }

/* --------------------------------------------------------------------------
   2. 行业跑马灯（服务过的行业）
   -------------------------------------------------------------------------- */
.marquee-band {
    background: var(--ink);
    padding: 18px 0;
    overflow: hidden;
}
.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee 36s linear infinite;
}
.marquee-band:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0 34px;
    color: #E8D9C4;
    font-size: 14.5px;
    letter-spacing: .3em;
    white-space: nowrap;
}
.marquee-item i {
    width: 7px; height: 7px;
    background: var(--butter);
    border-radius: 50%;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------------------
   3. 核心优势 · 错落卡
   -------------------------------------------------------------------------- */
.strength-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}
.strength-card {
    position: relative;
    padding: 38px 30px 34px;
    background: var(--milk);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
    transition: transform .45s ease, box-shadow .45s ease;
    overflow: hidden;
}
.strength-card:nth-child(even) { transform: translateY(26px); }
.strength-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
}
.strength-card:nth-child(even):hover { transform: translateY(18px); }
.strength-num {
    position: absolute;
    top: 18px; right: 22px;
    font-family: var(--serif);
    font-size: 44px;
    color: var(--butter-soft);
    font-weight: 700;
    line-height: 1;
}
.strength-icon {
    width: 62px; height: 62px;
    border-radius: 18px;
    background: linear-gradient(140deg, var(--butter-soft), var(--pink-soft));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}
.strength-card h3 { font-size: 19px; margin-bottom: 12px; }
.strength-card p { font-size: 14px; color: var(--ink-mute); line-height: 1.95; }

/* --------------------------------------------------------------------------
   4. 快速入口
   -------------------------------------------------------------------------- */
.quick-band { padding-top: 70px; }
.quick-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}
.quick-chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 11px 24px;
    background: var(--milk);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 14.5px;
    color: var(--ink);
    letter-spacing: .08em;
    box-shadow: var(--shadow-sm);
    transition: all .35s ease;
}
.quick-chip:hover {
    background: var(--butter-soft);
    border-color: var(--butter);
    transform: translateY(-4px);
    color: var(--butter-deep);
}
.quick-chip svg { flex-shrink: 0; }

/* --------------------------------------------------------------------------
   5. 服务矩阵 · 便当格
   -------------------------------------------------------------------------- */
.bento {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 216px;
    gap: 22px;
}
.bento-item {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: var(--milk);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    transition: transform .45s ease, box-shadow .45s ease;
    min-height: 200px;
}
.bento-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.bento-item.b-lg { grid-column: span 2; grid-row: span 2; justify-content: flex-end; }
.bento-item figure {
    position: absolute;
    inset: 0;
    margin: 0;
}
.bento-item figure img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: .38;
    transition: transform .8s ease, opacity .5s ease;
}
.bento-item:hover figure img { transform: scale(1.06); opacity: .5; }
.bento-item figure::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 249, 240, .1) 30%, rgba(255, 249, 240, .94) 96%);
}
.bento-body { position: relative; }
.bento-body i {
    font-size: 12px;
    letter-spacing: .3em;
    color: var(--pink-deep);
}
.bento-body h3 { font-size: 21px; margin: 6px 0 8px; }
.bento-item.b-lg .bento-body h3 { font-size: 27px; }
.bento-body p { font-size: 13.5px; color: var(--ink-body); }
.bento-body .link-more { margin-top: 12px; font-size: 13px; }

/* --------------------------------------------------------------------------
   6. 行业方案 · 横向卷轴
   -------------------------------------------------------------------------- */
.solution-scroll {
    display: flex;
    gap: 22px;
    overflow-x: auto;
    padding: 8px 4px 26px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--butter) transparent;
}
.solution-scroll::-webkit-scrollbar { height: 6px; }
.solution-scroll::-webkit-scrollbar-thumb { background: var(--butter); border-radius: 3px; }
.sol-card {
    scroll-snap-align: start;
    flex: 0 0 272px;
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--milk);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    transition: transform .4s ease;
}
.sol-card:hover { transform: translateY(-6px); }
.sol-card figure { position: relative; overflow: hidden; margin: 0; }
.sol-card figure img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    transition: transform .7s ease;
}
.sol-card:hover figure img { transform: scale(1.07); }
.sol-card figure span {
    position: absolute;
    left: 14px; top: 14px;
    padding: 4px 12px;
    background: rgba(255, 253, 249, .92);
    border-radius: 999px;
    font-size: 12px;
    color: var(--butter-deep);
    letter-spacing: .12em;
}
.sol-card h3 {
    font-size: 17px;
    padding: 16px 18px 4px;
}
.sol-card p {
    padding: 0 18px 18px;
    font-size: 13px;
    color: var(--ink-mute);
}

/* --------------------------------------------------------------------------
   7. 精选案例 · 错行大卡
   -------------------------------------------------------------------------- */
.case-row {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 54px;
    align-items: center;
    margin-bottom: 76px;
}
.case-row:last-child { margin-bottom: 0; }
.case-row.flip .case-media { order: 2; }
.case-media {
    position: relative;
}
.case-media figure {
    margin: 0;
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.case-media img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    transition: transform .8s ease;
}
.case-media:hover img { transform: scale(1.05); }
.case-media::before {
    content: attr(data-no);
    position: absolute;
    left: -14px; top: -34px;
    font-family: var(--serif);
    font-size: 88px;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--butter);
    line-height: 1;
    z-index: 2;
}
.case-info .tag {
    display: inline-block;
    padding: 5px 16px;
    background: var(--pink-soft);
    color: var(--pink-deep);
    border-radius: 999px;
    font-size: 12.5px;
    letter-spacing: .18em;
    margin-bottom: 16px;
}
.case-info h3 { font-size: 25px; margin-bottom: 14px; }
.case-info p { color: var(--ink-mute); font-size: 14.5px; margin-bottom: 20px; }
.case-data {
    display: flex;
    gap: 34px;
    padding: 16px 0;
    border-top: 1px dashed var(--line);
}
.case-data li strong {
    display: block;
    font-family: var(--serif);
    font-size: 24px;
    color: var(--butter-deep);
}
.case-data li span { font-size: 12px; color: var(--ink-mute); letter-spacing: .12em; }

/* --------------------------------------------------------------------------
   8. 建站流程 · 时间轴
   -------------------------------------------------------------------------- */
.process-wrap {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 60px;
    align-items: start;
}
.process-sticky {
    position: sticky;
    top: 140px;
    padding: 40px;
    border-radius: var(--r-lg);
    background: linear-gradient(150deg, var(--butter-soft), var(--pink-soft));
    box-shadow: var(--shadow-sm);
}
.process-sticky h3 { font-size: 24px; margin-bottom: 12px; }
.process-sticky p { font-size: 14px; color: var(--ink-body); }
.process-sticky .btn { margin-top: 24px; }
.step-list { position: relative; }
.step-list::before {
    content: "";
    position: absolute;
    left: 27px; top: 12px; bottom: 12px;
    width: 2px;
    background: repeating-linear-gradient(var(--butter) 0 6px, transparent 6px 14px);
}
.step-item {
    position: relative;
    display: flex;
    gap: 26px;
    padding: 18px 0 18px 0;
}
.step-no {
    position: relative;
    z-index: 1;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--milk);
    border: 2px solid var(--butter);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 700;
    color: var(--butter-deep);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}
.step-item:hover .step-no { background: var(--butter); color: #5C3D0E; }
.step-body { padding-top: 4px; }
.step-body h3 { font-size: 18.5px; margin-bottom: 6px; }
.step-body h3 span { font-size: 12px; color: var(--pink-deep); letter-spacing: .2em; margin-left: 10px; font-weight: 400; }
.step-body p { font-size: 13.8px; color: var(--ink-mute); }

/* --------------------------------------------------------------------------
   9. 首页资讯 · 卡阵（数据源：C# 模板标签输出）
   -------------------------------------------------------------------------- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.news-card {
    background: var(--milk);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .4s ease, box-shadow .4s ease;
    display: flex;
    flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.news-card .media { position: relative; overflow: hidden; display: block; }
.news-card .media img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    transition: transform .7s ease;
}
.news-card:hover .media img { transform: scale(1.06); }
.news-card .media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(69, 55, 41, .28));
}
.news-card .body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.news-card time {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    color: var(--ink-mute);
    letter-spacing: .1em;
    margin-bottom: 10px;
}
.news-card time::before {
    content: "";
    width: 16px; height: 2px;
    background: var(--pink);
    border-radius: 2px;
}
.news-card h3 {
    font-size: 16.5px;
    line-height: 1.6;
    margin-bottom: 10px;
}
.news-card h3 a {
    color: var(--ink);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card h3 a:hover { color: var(--pink-deep); }
.news-card p {
    font-size: 13.5px;
    color: var(--ink-mute);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   10. 合作邀请带
   -------------------------------------------------------------------------- */
.cta-band {
    position: relative;
    margin-top: 100px;
    padding: 86px 0;
    background:
        radial-gradient(520px 300px at 12% 20%, rgba(255, 253, 249, .28) 0%, transparent 70%),
        linear-gradient(120deg, #F7D488 0%, #F3B7A6 100%);
    text-align: center;
    overflow: hidden;
}
.cta-band h2 { font-size: clamp(26px, 3.6vw, 40px); color: #53360B; margin-bottom: 14px; }
.cta-band p { color: #7A5433; margin-bottom: 32px; font-size: 15.5px; }
.cta-band .btn-pink { background: #FFFDF9; color: var(--pink-deep); box-shadow: 0 14px 30px rgba(131, 74, 48, .22); }
.cta-band .btn-pink:hover { background: #fff; }
.cta-actions { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.cta-band .deco-ring {
    position: absolute;
    border: 2px dashed rgba(255, 253, 249, .5);
    border-radius: 50%;
    pointer-events: none;
}
.cta-band .dr-1 { width: 220px; height: 220px; top: -80px; right: 6%; }
.cta-band .dr-2 { width: 130px; height: 130px; bottom: -40px; left: 8%; }

/* --------------------------------------------------------------------------
   11. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
    .home-hero-grid { grid-template-columns: 1fr; gap: 50px; }
    .hero-visual { height: 480px; max-width: 560px; margin: 0 auto; width: 100%; }
    .strength-grid { grid-template-columns: 1fr 1fr; }
    .strength-card:nth-child(even) { transform: none; }
    .strength-card:nth-child(even):hover { transform: translateY(-8px); }
    .bento { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; }
    .bento-item { min-height: 240px; }
    .bento-item.b-lg { grid-column: span 2; grid-row: auto; min-height: 320px; }
    .process-wrap { grid-template-columns: 1fr; }
    .process-sticky { position: static; }
    .news-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .home-hero { padding-top: 120px; }
    .hero-stats { gap: 22px; flex-wrap: wrap; }
    .hero-stat strong { font-size: 24px; }
    .hero-visual { height: 400px; }
    .strength-grid { grid-template-columns: 1fr; }
    .quick-row { justify-content: flex-start; }
    .bento { grid-template-columns: 1fr; }
    .bento-item.b-lg { grid-column: auto; }
    .case-row { grid-template-columns: 1fr; gap: 30px; margin-bottom: 54px; }
    .case-row.flip .case-media { order: 0; }
    .case-media::before { font-size: 60px; top: -24px; }
    .news-grid { grid-template-columns: 1fr; }
    .step-item { gap: 16px; }
    .step-no { width: 46px; height: 46px; font-size: 16px; }
    .step-list::before { left: 22px; }
}