/* ============================================================
   华人策略 - 价值投资主题模板
   配色: 藏蓝 #0b1e3a / 鎏金 #c8a45c / 米白 #f7f5f0
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: #22293a;
    background: #fff;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all .3s; }
ul, li { list-style: none; }
.container { width: 90%; max-width: 1380px; margin: 0 auto; }
.serif { font-family: "Songti SC", "STSong", "SimSun", serif; }

/* ---------- 顶部导航 ---------- */
.header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
    padding: 0 4%;
    display: flex; align-items: center; justify-content: space-between;
    height: 84px;
    background: linear-gradient(180deg, rgba(6,16,36,.72), rgba(6,16,36,0));
    transition: background .4s, height .4s, box-shadow .4s;
}
.header.solid {
    background: rgba(9, 24, 48, .96);
    height: 68px;
    box-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.logo { display: flex; align-items: baseline; color: #fff; }
.logo .logo-cn { font-size: 26px; font-weight: 700; letter-spacing: 4px; }
.logo .logo-cn em { font-style: normal; color: #c8a45c; }
.logo .logo-en { font-size: 11px; letter-spacing: 2px; margin-left: 10px; color: rgba(255,255,255,.55); text-transform: uppercase; }
.nav { display: flex; align-items: center; }
.nav a {
    color: rgba(255,255,255,.85); font-size: 16px; margin-left: 42px;
    padding: 6px 0; position: relative; letter-spacing: 1px;
}
.nav a::after {
    content: ""; position: absolute; left: 50%; bottom: -4px;
    width: 0; height: 2px; background: #c8a45c; transition: all .3s;
}
.nav a:hover, .nav a.on { color: #fff; }
.nav a:hover::after, .nav a.on::after { left: 0; width: 100%; }
.nav-toggle { display: none; cursor: pointer; width: 30px; }
.nav-toggle span { display: block; height: 2px; background: #fff; margin: 7px 0; transition: all .3s; }

/* ---------- Banner ---------- */
.banner { position: relative; height: 100vh; min-height: 620px; }
.banner .swiper { width: 100%; height: 100%; }
.banner .swiper-slide { position: relative; overflow: hidden; }
.banner .slide-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    transform: scale(1.08); transition: transform 6s ease-out;
}
.banner .swiper-slide-active .slide-bg { transform: scale(1); }
.banner .slide-mask {
    position: absolute; inset: 0;
    background: linear-gradient(105deg, rgba(6,16,36,.78) 22%, rgba(6,16,36,.42) 58%, rgba(6,16,36,.25));
}
.banner .slide-txt {
    position: absolute; left: 8%; top: 50%; transform: translateY(-46%);
    color: #fff; max-width: 760px; z-index: 2;
}
.banner .slide-txt .small {
    font-size: 15px; letter-spacing: 6px; color: #c8a45c;
    margin-bottom: 22px; display: flex; align-items: center;
}
.banner .slide-txt .small::before { content: ""; width: 46px; height: 1px; background: #c8a45c; margin-right: 14px; }
.banner .slide-txt h2 { font-size: 52px; font-weight: 700; line-height: 1.35; letter-spacing: 4px; margin-bottom: 26px; }
.banner .slide-txt h2 span { color: #c8a45c; }
.banner .slide-txt p { font-size: 17px; line-height: 2; color: rgba(255,255,255,.82); letter-spacing: 1px; max-width: 620px; }
.banner .slide-quote { font-size: 26px; line-height: 2.1; letter-spacing: 3px; color: rgba(255,255,255,.92); }
.banner .swiper-pagination { bottom: 46px !important; }
.banner .swiper-pagination-bullet {
    width: 34px; height: 3px; border-radius: 0;
    background: rgba(255,255,255,.35); opacity: 1; transition: all .3s;
}
.banner .swiper-pagination-bullet-active { background: #c8a45c; width: 56px; }
.banner .scroll-tip {
    position: absolute; right: 5%; bottom: 40px; z-index: 3;
    color: rgba(255,255,255,.6); font-size: 12px; letter-spacing: 3px;
    writing-mode: vertical-rl; height: 90px;
}
.banner .scroll-tip::after {
    content: ""; position: absolute; left: 50%; bottom: -34px;
    width: 1px; height: 30px; background: #c8a45c;
    animation: dropline 1.8s infinite;
}
@keyframes dropline { 0% {transform: scaleY(0); transform-origin: top;} 50% {transform: scaleY(1); transform-origin: top;} 51% {transform-origin: bottom;} 100% {transform: scaleY(0); transform-origin: bottom;} }

/* ---------- 通用标题 ---------- */
.sec-head { text-align: center; margin-bottom: 58px; }
.sec-head .en { font-size: 13px; letter-spacing: 5px; color: #c8a45c; text-transform: uppercase; margin-bottom: 12px; }
.sec-head h3 { font-size: 38px; letter-spacing: 4px; color: #16233f; font-weight: 700; }
.sec-head .line { width: 52px; height: 3px; background: #c8a45c; margin: 22px auto 0; }
.sec-head.light h3 { color: #fff; }

/* ---------- 关于我们 ---------- */
.about { padding: 110px 0 100px; background: #f7f5f0 url() no-repeat right bottom; }
.about .wrap { display: flex; gap: 70px; align-items: flex-start; }
.about .lef { flex: 1.25; }
.about .lef .tag { font-size: 14px; letter-spacing: 5px; color: #c8a45c; margin-bottom: 16px; }
.about .lef h3 { font-size: 36px; color: #16233f; letter-spacing: 3px; margin-bottom: 10px; }
.about .lef h4 { font-size: 20px; color: #6b7280; font-weight: 400; letter-spacing: 2px; margin-bottom: 34px; }
.about .lef .txt { font-size: 16px; line-height: 2.15; color: #4b5563; text-align: justify; }
.about .lef .motto {
    margin-top: 38px; padding: 26px 30px; border-left: 3px solid #c8a45c;
    background: #fff; font-size: 17px; line-height: 2; color: #16233f; letter-spacing: 1px;
    box-shadow: 0 10px 34px rgba(22,35,63,.06);
}
.about .rig { flex: 1; }
.about .rig .pic { position: relative; overflow: hidden; }
.about .rig .pic img { width: 100%; height: 380px; object-fit: cover; transition: transform .6s; }
.about .rig .pic:hover img { transform: scale(1.05); }
.about .rig .pic::after {
    content: ""; position: absolute; inset: 14px; border: 1px solid rgba(200,164,92,.55); pointer-events: none;
}
.counters { display: flex; margin-top: 44px; }
.counters .item { flex: 1; text-align: center; position: relative; }
.counters .item + .item::before {
    content: ""; position: absolute; left: 0; top: 12%;
    width: 1px; height: 76%; background: #e2ddd2;
}
.counters .num { font-size: 40px; font-weight: 700; color: #16233f; }
.counters .num i { font-style: normal; font-size: 20px; color: #c8a45c; margin-left: 2px; }
.counters .label { font-size: 14px; color: #8a8f9c; margin-top: 8px; letter-spacing: 1px; }

/* ---------- 投资理念 ---------- */
.philosophy {
    padding: 110px 0 120px; position: relative;
    background: #0b1e3a;
}
.philosophy::before {
    content: ""; position: absolute; inset: 0;
    background: url(../images/banner-chess.jpg) center/cover no-repeat;
    opacity: .12;
}
.philosophy .container { position: relative; z-index: 2; }
.philosophy .cols { display: flex; gap: 30px; }
.philosophy .col {
    flex: 1; padding: 52px 40px 60px;
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.09);
    backdrop-filter: blur(2px);
    transition: all .45s; position: relative; overflow: hidden;
}
.philosophy .col::before {
    content: attr(data-num); position: absolute; right: 22px; top: 14px;
    font-size: 64px; font-weight: 700; color: rgba(200,164,92,.14);
    font-family: Georgia, serif;
}
.philosophy .col:hover { background: rgba(200,164,92,.12); border-color: rgba(200,164,92,.45); transform: translateY(-8px); }
.philosophy .col .ico { width: 46px; height: 46px; margin-bottom: 26px; opacity: .9; }
.philosophy .col h4 { font-size: 24px; color: #fff; letter-spacing: 3px; margin-bottom: 8px; }
.philosophy .col .sub { font-size: 12px; color: #c8a45c; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 24px; }
.philosophy .col p { font-size: 15px; line-height: 2.05; color: rgba(255,255,255,.68); text-align: justify; }
.philosophy .col .key {
    margin-top: 24px; font-size: 17px; letter-spacing: 4px; color: #c8a45c;
}

/* ---------- 主营业务 ---------- */
.business { padding: 110px 0; background: #fff; }
.business .cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.business .card {
    position: relative; height: 460px; overflow: hidden; cursor: pointer;
}
.business .card .bg {
    position: absolute; inset: 0; background-size: cover; background-position: center;
    transition: transform .7s;
}
.business .card:hover .bg { transform: scale(1.08); }
.business .card .shade {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(9,24,48,.18) 30%, rgba(9,24,48,.88) 82%);
    transition: background .5s;
}
.business .card:hover .shade { background: linear-gradient(180deg, rgba(9,24,48,.36) 10%, rgba(9,24,48,.93) 78%); }
.business .card .info {
    position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 26px;
    color: #fff; transform: translateY(66px); transition: transform .5s;
}
.business .card .info h4 { font-size: 23px; letter-spacing: 2px; margin-bottom: 6px; }
.business .card .info .en { font-size: 11px; letter-spacing: 2px; color: #c8a45c; text-transform: uppercase; margin-bottom: 18px; }
.business .card .info p { font-size: 14px; line-height: 1.95; color: rgba(255,255,255,.78); opacity: 0; transition: opacity .5s .08s; }
.business .card:hover .info { transform: translateY(0); }
.business .card:hover .info p { opacity: 1; }
.business .card .corner {
    position: absolute; top: 20px; left: 20px; width: 34px; height: 34px;
    border-top: 2px solid #c8a45c; border-left: 2px solid #c8a45c;
    opacity: 0; transition: opacity .4s;
}
.business .card:hover .corner { opacity: 1; }

/* ---------- 行业聚焦 ---------- */
.sectors { padding: 110px 0; background: #f7f5f0; }
.sectors .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.sectors .cell { position: relative; height: 250px; overflow: hidden; }
.sectors .cell .bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .6s; }
.sectors .cell:hover .bg { transform: scale(1.07); }
.sectors .cell .shade { position: absolute; inset: 0; background: rgba(9,24,48,.42); transition: background .4s; }
.sectors .cell:hover .shade { background: rgba(9,24,48,.18); }
.sectors .cell .name {
    position: absolute; left: 24px; bottom: 20px; color: #fff; z-index: 2;
}
.sectors .cell .name h5 { font-size: 20px; letter-spacing: 2px; margin-bottom: 3px; }
.sectors .cell .name span { font-size: 11px; letter-spacing: 2px; color: rgba(255,255,255,.72); text-transform: uppercase; }

/* ---------- 团队 ---------- */
.team { padding: 110px 0; background: #fff; }
.team .members { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.team .member { background: #f7f5f0; transition: all .45s; }
.team .member:hover { box-shadow: 0 20px 50px rgba(22,35,63,.14); transform: translateY(-8px); }
.team .member .photo { overflow: hidden; height: 340px; }
.team .member .photo img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .6s; }
.team .member:hover .photo img { transform: scale(1.05); }
.team .member .intro { padding: 30px 30px 38px; }
.team .member .intro .quote {
    font-size: 19px; letter-spacing: 3px; color: #16233f; margin-bottom: 18px; line-height: 1.7;
}
.team .member .intro .quote::before { content: "「 "; color: #c8a45c; }
.team .member .intro .quote::after { content: " 」"; color: #c8a45c; }
.team .member .intro p { font-size: 14px; line-height: 2; color: #6b7280; text-align: justify; margin-bottom: 22px; min-height: 112px; }
.team .member .intro .who { display: flex; align-items: baseline; border-top: 1px solid #e5e0d4; padding-top: 18px; }
.team .member .intro .who b { font-size: 18px; color: #16233f; letter-spacing: 1px; }
.team .member .intro .who span { font-size: 13px; color: #c8a45c; margin-left: 12px; letter-spacing: 1px; }

/* ---------- 观察与思考 ---------- */
.insights { padding: 110px 0 120px; background: #0b1e3a; position: relative; }
.insights::before {
    content: ""; position: absolute; inset: 0;
    background: url(../images/banner-arch.jpg) center/cover no-repeat;
    opacity: .08;
}
.insights .container { position: relative; z-index: 2; }
.insights .list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.insights .post {
    background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09);
    transition: all .45s; display: flex; flex-direction: column;
}
.insights .post:hover { transform: translateY(-8px); border-color: rgba(200,164,92,.5); background: rgba(255,255,255,.08); }
.insights .post .thumb { height: 210px; overflow: hidden; }
.insights .post .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.insights .post:hover .thumb img { transform: scale(1.07); }
.insights .post .body { padding: 28px 26px 32px; flex: 1; display: flex; flex-direction: column; }
.insights .post .cat { font-size: 12px; color: #c8a45c; letter-spacing: 3px; margin-bottom: 14px; }
.insights .post h4 { font-size: 20px; color: #fff; line-height: 1.6; letter-spacing: 1px; margin-bottom: 16px; }
.insights .post p {
    font-size: 14px; line-height: 1.95; color: rgba(255,255,255,.62); flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.insights .post .more {
    margin-top: 24px; font-size: 13px; color: #c8a45c; letter-spacing: 2px;
    display: inline-flex; align-items: center;
}
.insights .post .more::after { content: "→"; margin-left: 8px; transition: margin .3s; }
.insights .post:hover .more::after { margin-left: 16px; }

/* ---------- 页脚 ---------- */
.footer { background: #060f22; color: rgba(255,255,255,.6); }
.footer .top { padding: 70px 0 50px; display: flex; justify-content: space-between; gap: 60px; flex-wrap: wrap; }
.footer .brand .logo-cn { font-size: 28px; color: #fff; letter-spacing: 4px; font-weight: 700; }
.footer .brand .logo-cn em { font-style: normal; color: #c8a45c; }
.footer .brand p { margin-top: 20px; font-size: 14px; line-height: 2.1; max-width: 420px; letter-spacing: 1px; }
.footer .brand .quote { margin-top: 18px; font-size: 15px; color: rgba(200,164,92,.85); letter-spacing: 2px; line-height: 1.9; }
.footer .links h5 { color: #fff; font-size: 16px; letter-spacing: 2px; margin-bottom: 22px; }
.footer .links a { display: block; font-size: 14px; margin-bottom: 13px; color: rgba(255,255,255,.55); }
.footer .links a:hover { color: #c8a45c; }
.footer .contact h5 { color: #fff; font-size: 16px; letter-spacing: 2px; margin-bottom: 22px; }
.footer .contact p { font-size: 14px; line-height: 2.2; }
.footer .copyright {
    border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0;
    font-size: 13px; text-align: center; color: rgba(255,255,255,.38); letter-spacing: 1px;
}
.footer .copyright a { color: rgba(255,255,255,.38); }
.footer .copyright a:hover { color: #c8a45c; }

/* ---------- 返回顶部 ---------- */
#toTop {
    position: fixed; right: 28px; bottom: -60px; z-index: 900;
    width: 46px; height: 46px; background: #0b1e3a; border: 1px solid rgba(200,164,92,.6);
    color: #c8a45c; font-size: 20px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: bottom .4s, background .3s;
}
#toTop.show { bottom: 34px; }
#toTop:hover { background: #c8a45c; color: #0b1e3a; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
    .banner .slide-txt h2 { font-size: 40px; }
    .business .cards { grid-template-columns: repeat(2, 1fr); }
    .business .card { height: 380px; }
    .team .members { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
    .insights .list { grid-template-columns: 1fr; max-width: 620px; margin: 0 auto; }
    .sectors .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
    .nav {
        position: fixed; top: 68px; right: -100%; width: 72%; height: calc(100vh - 68px);
        background: rgba(9,24,48,.98); flex-direction: column; align-items: flex-start;
        padding: 40px 36px; transition: right .4s;
    }
    .nav.open { right: 0; }
    .nav a { margin: 0 0 30px; font-size: 18px; }
    .nav-toggle { display: block; }
    .nav-toggle.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
    .header { height: 68px; background: rgba(9,24,48,.96); }
    .banner .slide-txt h2 { font-size: 30px; letter-spacing: 2px; }
    .banner .slide-quote { font-size: 19px; }
    .banner .slide-txt p { font-size: 14px; }
    .about .wrap { flex-direction: column; gap: 44px; }
    .philosophy .cols { flex-direction: column; }
    .counters { flex-wrap: wrap; }
    .counters .item { flex: 1 1 50%; margin-bottom: 26px; }
    .counters .item:nth-child(3)::before { display: none; }
    .sec-head h3 { font-size: 28px; }
    .about, .philosophy, .business, .sectors, .team, .insights { padding: 70px 0; }
    .footer .top { flex-direction: column; gap: 40px; }
}
@media (max-width: 560px) {
    .business .cards { grid-template-columns: 1fr; }
    .sectors .grid { grid-template-columns: 1fr; }
    .sectors .cell { height: 200px; }
    .banner { min-height: 520px; }
}