/* ============================================================
   招商优势页样式 - page-advantage.css
   三驱动力导入 · 大势 · 主流 · 优术 · 轻快易高低 · 响应式
============================================================ */

/* ===== 三驱动力 Hero 导入（PPT 封面风格） ===== */
.adv-hero {
    position: relative; overflow: hidden;
    padding: 120px 0 130px;
    text-align: center;
}
.adv-hero-bg { position: absolute; inset: 0; z-index: 0; }
.adv-hero-bg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.adv-hero-bg::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.18) 30%, rgba(255,255,255,.28) 72%, var(--white) 100%);
}
.adv-hero .container { position: relative; z-index: 1; }
.adv-hero-eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-display); font-size: 15px; font-weight: 700;
    letter-spacing: 6px; color: #334255;
    margin-bottom: 30px;
}
.adv-hero-eyebrow::before,
.adv-hero-eyebrow::after {
    content: ""; width: 7px; height: 7px; border-radius: 50%;
    background: #00863D; opacity: .55;
}
.adv-hero h1 {
    font-size: clamp(40px, 6.5vw, 66px); font-weight: 800;
    letter-spacing: 8px; line-height: 1.2;
    color: #00863D;
}
.adv-hero h1 .dot { color: #44a770; margin: 0 10px; font-size: .6em; }
.adv-hero-sub {
    margin: 28px auto 0; max-width: 820px;
    font-size: clamp(14px, 1.8vw, 17px); line-height: 2;
    color: #475569;
}
.adv-hero-sub strong { color: #00863D; font-weight: 700; }

/* ===== 大势 ===== */
.trend { padding: 96px 0; background: var(--white); }
.trend .section-head { margin-bottom: 52px; }

/* intro：左右图文 */
.trend-intro {
    display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px;
    align-items: stretch; margin-bottom: 56px;
}
.trend-intro-text {
    display: flex; flex-direction: column; justify-content: center;
}
.trend-intro-text p {
    color: var(--muted); font-size: 16px; line-height: 2;
}
.trend-intro-text strong { color: var(--green-700); font-weight: 700; }
.trend-intro-text .hl-box {
    margin-top: 28px;
    background: var(--green-50); border-left: 4px solid var(--green-500);
    border-radius: 0 12px 12px 0;
    padding: 18px 22px; font-size: 14px; color: var(--ink-soft); line-height: 1.8;
}
.trend-intro-text .hl-box strong { color: var(--green-600); }
.trend-intro-photo {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.trend-intro-photo img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; display: block; }
.trend-intro-photo .cap {
    position: absolute; left: 18px; bottom: 18px;
    background: rgba(255,255,255,.92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    color: var(--green-700); font-size: 13px; font-weight: 700; letter-spacing: 2px;
    padding: 8px 18px; border-radius: 999px;
}

/* 三卡片 grid */
.trend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.trend-card {
    background: var(--white); border-radius: var(--radius); padding: 36px 30px 32px;
    box-shadow: var(--shadow-md); border: 1px solid var(--line);
    border-top: 4px solid transparent;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.trend-card:nth-child(1) { border-top-color: var(--green-400); }
.trend-card:nth-child(2) { border-top-color: var(--green-500); }
.trend-card:nth-child(3) { border-top-color: var(--green-700); }
.trend-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.trend-card-top {
    display: flex; align-items: center; gap: 14px; margin-bottom: 18px;
}
.trend-card-num {
    width: 44px; height: 44px; border-radius: 12px;
    background: var(--green-50);
    font-size: 18px; font-weight: 800; color: var(--green-600);
    display: grid; place-items: center; flex-shrink: 0;
    letter-spacing: 1px;
}
.trend-card-icon { width: 44px; height: 44px; flex-shrink: 0; }
.trend-card-icon img { width: 100%; height: 100%; }
.trend-card h3 { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 12px; line-height: 1.35; }
.trend-card p { font-size: 14.5px; color: var(--muted); line-height: 1.85; text-align: justify; }

/* ===== 主流 ===== */
.mainline { padding: 96px 0; background: var(--bg-soft); }
.mainline .section-head { margin-bottom: 52px; }

/* ===== 优术 ===== */
.skill { padding: 96px 0; background: var(--white); }
.skill .section-head { margin-bottom: 52px; }

/* ===== 主流 / 优术：左右分栏（共用） ===== */
.adv-split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.adv-split.reverse { direction: rtl; }
.adv-split.reverse > * { direction: ltr; }
.adv-visual { position: relative; }
.adv-visual img {
    width: 100%; height: 500px; object-fit: cover;
    border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); display: block;
}
.adv-note {
    position: absolute; left: 16px; right: 16px; bottom: 16px;
    background: rgba(9,42,24,.72); color: #e2f5ea;
    padding: 14px 18px; border-radius: 14px; font-size: 13.5px; line-height: 1.65;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.adv-cards { display: flex; flex-direction: column; gap: 18px; }
.mini-card {
    display: flex; gap: 18px; align-items: flex-start;
    background: var(--white); border-radius: var(--radius); padding: 24px;
    box-shadow: var(--shadow-md); border: 1px solid var(--line);
    transition: transform .3s ease, box-shadow .3s ease;
}
.mini-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.mini-card img { width: 46px; height: 46px; flex-shrink: 0; margin-top: 2px; }
.mini-card-body { flex: 1; min-width: 0; }
.mini-card .mc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.mini-card .mc-head .num { font-size: 13px; font-weight: 800; color: var(--green-600); letter-spacing: 1px; }
.mini-card h3 { font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: .3px; }
.mini-card p { font-size: 14px; color: var(--muted); line-height: 1.85; text-align: justify; margin-top: 6px; }

/* ===== 轻快易高低 ===== */
.benefit { padding: 96px 0; background: var(--bg-soft); }
.benefit .section-head { margin-bottom: 52px; }
.benef-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.benef-card {
    background: var(--white); border-radius: var(--radius); padding: 38px 22px;
    box-shadow: var(--shadow-md); border: 1px solid var(--line);
    text-align: center; transition: transform .3s ease, box-shadow .3s ease;
}
.benef-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.benef-card img { width: 56px; height: 56px; margin: 0 auto 18px; }
.benef-card h3 { font-size: 26px; font-weight: 900; color: var(--ink); letter-spacing: 6px; margin-bottom: 12px; }
.benef-card p { font-size: 13.5px; color: var(--muted); line-height: 1.85; text-align: justify; }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
    .trend-intro { grid-template-columns: 1fr; gap: 32px; }
    .trend-grid { grid-template-columns: 1fr; gap: 20px; }
    .adv-split, .adv-split.reverse { grid-template-columns: 1fr; gap: 40px; direction: ltr; }
    .adv-visual img { height: 380px; }
    .benef-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .adv-hero { padding: 90px 0 100px; }
    .trend, .mainline, .skill, .benefit { padding: 72px 0; }
}
@media (max-width: 560px) {
    .adv-hero { padding: 80px 0 90px; }
    .adv-hero h1 { letter-spacing: 5px; }
    .trend, .mainline, .skill, .benefit { padding: 56px 0; }
    .trend-intro-photo img { min-height: 220px; }
    .adv-visual img { height: 280px; }
    .benef-grid { grid-template-columns: 1fr; }
    .trend-card { padding: 28px 22px; }
    .mini-card { padding: 20px 18px; gap: 14px; }
}