/* ================================================================
   云上阿卯 · 大花苗祖地数字博物馆
   简约大气风格 · 含管理员系统
   ================================================================ */

/* ===== 变量 ===== */
:root {
    --red: #C41E2A;
    --red-dk: #8B1520;
    --red-lt: #E8475A;
    --gold: #D4A84B;
    --gold-lt: #F0D08C;
    --gold-dk: #A67C2E;
    --white: #FFFFFF;
    --cream: #FFFAF5;
    --bg-dk: #1A1210;
    --bg-dk2: #241B16;
    --bg-sec: #FDF6EE;
    --tx-dk: #2D1F16;
    --tx-md: #5C4A3A;
    --tx-lt: #9C8A7A;
    --tx-w: #F0E6D8;
    --tx-wm: #A89888;
    --bdr-lt: rgba(212,168,75,0.18);
    --bdr-dk: rgba(212,168,75,0.12);
    --sh-sm: 0 2px 8px rgba(0,0,0,0.06);
    --sh-md: 0 4px 20px rgba(0,0,0,0.10);
    --sh-lg: 0 8px 40px rgba(0,0,0,0.14);
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 20px;
    --serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --ease: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ===== 重置 ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--sans);color:var(--tx-dk);background:var(--cream);overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--red);color:#fff}
a{text-decoration:none;color:inherit}
ul{list-style:none}

/* ===== 加载动画 ===== */
#loader{position:fixed;inset:0;background:var(--bg-dk);z-index:10000;display:flex;align-items:center;justify-content:center;transition:opacity .6s,visibility .6s}
#loader.hide{opacity:0;visibility:hidden;pointer-events:none}
.loader-inner{text-align:center;position:relative}
.loader-ornament{width:100px;height:100px;border:1.5px solid var(--gold);border-radius:50%;margin:0 auto 24px;opacity:.2;animation:lPulse 2s ease-in-out infinite}
.loader-ornament::before{content:'';position:absolute;inset:16px;border:1px solid var(--gold);border-radius:50%;opacity:.5;animation:lPulse 2s ease-in-out infinite .3s}
@keyframes lPulse{0%,100%{transform:scale(1);opacity:.2}50%{transform:scale(1.08);opacity:.4}}
.loader-title{font-family:var(--serif);font-size:2.2rem;font-weight:900;color:var(--gold);letter-spacing:.3em}
.loader-sub{font-size:.85rem;color:var(--tx-wm);letter-spacing:.5em;margin-top:6px}
.loader-bar{width:180px;height:2px;background:rgba(212,168,75,.15);margin:28px auto 0;border-radius:2px;overflow:hidden}
.loader-fill{width:0;height:100%;background:var(--gold);border-radius:2px;animation:lFill 2s ease-in-out forwards}
@keyframes lFill{to{width:100%}}

/* ===== 导航 ===== */
#navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:18px 0;transition:all var(--ease)}
#navbar.scrolled{padding:10px 0;background:rgba(26,18,16,.96);backdrop-filter:blur(20px);box-shadow:0 2px 20px rgba(0,0,0,.25)}
.nav-wrap{max-width:1400px;margin:0 auto;padding:0 36px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:10px;cursor:pointer}
.brand-icon{font-size:1.6rem;color:var(--gold);line-height:1}
.brand-text{font-family:var(--serif);font-size:1.1rem;font-weight:700;color:var(--gold-lt);letter-spacing:.15em}
.nav-menu{display:flex;gap:4px}
.nav-menu a{color:rgba(255,255,255,.65);font-size:.82rem;padding:6px 12px;border-radius:18px;transition:all var(--ease);letter-spacing:.05em}
.nav-menu a:hover,.nav-menu a.active{color:var(--gold);background:rgba(212,168,75,.08)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--gold);border-radius:2px;transition:all var(--ease)}

/* ===== 管理员按钮 ===== */
.admin-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;background:rgba(212,168,75,.1);border:1px solid rgba(212,168,75,.3);border-radius:18px;color:var(--gold-lt);font-size:.78rem;cursor:pointer;transition:all var(--ease);letter-spacing:.06em}
.admin-btn:hover{background:rgba(212,168,75,.2);border-color:var(--gold);color:var(--gold)}
.admin-btn svg{flex-shrink:0}

/* ===== 移动端菜单 ===== */
.mobile-overlay{display:none;position:fixed;inset:0;background:rgba(26,18,16,.98);z-index:999;align-items:center;justify-content:center;flex-direction:column}
.mobile-overlay.open{display:flex}
.mobile-close{position:absolute;top:20px;right:20px;background:none;border:none;color:var(--gold);font-size:1.6rem;cursor:pointer}
.mobile-overlay ul{list-style:none;text-align:center}
.mobile-overlay a{display:block;color:var(--gold-lt);font-family:var(--serif);font-size:1.3rem;padding:12px 0;letter-spacing:.2em;transition:color var(--ease)}
.mobile-overlay a:hover{color:var(--gold)}
.mobile-admin{margin-top:20px;padding-top:20px;border-top:1px solid rgba(212,168,75,.2)}
.mobile-admin a{font-size:1rem;color:var(--red-lt)!important}

/* ===== 模态框通用 ===== */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(26,18,16,.85);z-index:2000;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
.modal-overlay.open{display:flex}
.modal-box{background:var(--cream);border-radius:var(--r-xl);border:1px solid var(--bdr-lt);box-shadow:var(--sh-lg);position:relative;max-height:90vh;overflow-y:auto}
.modal-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--tx-lt);font-size:1.2rem;cursor:pointer;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all var(--ease);z-index:2}
.modal-close:hover{background:rgba(196,30,42,.08);color:var(--red)}

/* ===== 登录框 ===== */
.login-box{width:400px;max-width:92vw;padding:40px 36px 36px}
.login-header{text-align:center;margin-bottom:28px}
.login-logo{margin-bottom:14px;display:flex;justify-content:center;font-size:3rem;color:var(--gold);line-height:1}
.login-header h3{font-family:var(--serif);font-size:1.4rem;color:var(--tx-dk);letter-spacing:.1em;margin-bottom:6px}
.login-header p{font-size:.78rem;color:var(--tx-lt);letter-spacing:.1em}
.login-form .form-group{margin-bottom:18px}
.login-form label{display:block;font-size:.82rem;color:var(--tx-md);margin-bottom:6px;letter-spacing:.06em;font-weight:500}
.login-form input{width:100%;padding:11px 14px;border:1.5px solid var(--bdr-lt);border-radius:var(--r-md);font-size:.92rem;color:var(--tx-dk);background:#fff;transition:all var(--ease);outline:none;font-family:var(--sans)}
.login-form input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,168,75,.12)}
.login-form input::placeholder{color:var(--tx-lt);font-size:.85rem}
.form-error{font-size:.78rem;color:var(--red);min-height:18px;margin-bottom:8px;letter-spacing:.04em}
.login-submit{width:100%;padding:12px;background:var(--red);color:#fff;border:none;border-radius:var(--r-md);font-size:1rem;font-weight:600;letter-spacing:.2em;cursor:pointer;transition:all var(--ease);font-family:var(--sans)}
.login-submit:hover{background:var(--red-lt);box-shadow:0 6px 20px rgba(196,30,42,.3)}
.login-submit:active{transform:scale(.98)}

/* ===== 管理员后台面板 ===== */
.admin-panel{position:fixed;top:0;right:-420px;width:400px;max-width:92vw;height:100vh;background:var(--cream);z-index:1500;box-shadow:-4px 0 30px rgba(0,0,0,.15);transition:right .4s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;border-left:2px solid var(--gold)}
.admin-panel.open{right:0}
.ap-header{padding:16px 20px;background:var(--bg-dk);display:flex;align-items:center;justify-content:space-between;flex-shrink:0;border-bottom:1px solid var(--bdr-dk)}
.ap-title{display:flex;align-items:center;gap:10px;color:var(--gold-lt);font-family:var(--serif);font-size:1.05rem;letter-spacing:.08em}
.ap-actions{display:flex;align-items:center;gap:8px}
.ap-btn{display:flex;align-items:center;gap:5px;padding:6px 12px;border-radius:var(--r-sm);font-size:.78rem;cursor:pointer;border:1px solid var(--bdr-lt);background:rgba(255,255,255,.05);color:var(--gold-lt);transition:all var(--ease);letter-spacing:.04em}
.ap-btn:hover{background:rgba(212,168,75,.12);border-color:var(--gold)}
.ap-btn-danger{color:var(--red-lt);border-color:rgba(196,30,42,.25)}
.ap-btn-danger:hover{background:rgba(196,30,42,.12);border-color:var(--red)}
.ap-toggle{background:none;border:none;color:var(--gold-lt);cursor:pointer;padding:4px;display:flex;align-items:center;transition:all var(--ease)}
.ap-toggle:hover{color:var(--gold)}
.admin-panel.collapsed .ap-body{display:none}
.admin-panel.collapsed{height:auto}

.ap-body{flex:1;overflow-y:auto;padding:0}
.ap-tabs{display:flex;border-bottom:2px solid var(--bdr-lt);background:#fff;position:sticky;top:0;z-index:2}
.ap-tab{flex:1;padding:12px 8px;text-align:center;font-size:.82rem;color:var(--tx-lt);cursor:pointer;border:none;background:none;transition:all var(--ease);letter-spacing:.06em;position:relative;font-family:var(--sans)}
.ap-tab.active{color:var(--red);font-weight:600}
.ap-tab.active::after{content:'';position:absolute;bottom:-2px;left:20%;right:20%;height:2px;background:var(--red);border-radius:2px}
.ap-tab:hover{color:var(--tx-md)}

.ap-section{display:none;padding:20px}
.ap-section.active{display:block}
.ap-section-title{font-family:var(--serif);font-size:1.15rem;color:var(--tx-dk);letter-spacing:.06em;margin-bottom:8px}
.ap-hint{font-size:.78rem;color:var(--tx-lt);margin-bottom:18px;line-height:1.6;letter-spacing:.04em}

/* 内容编辑列表 */
.ap-edit-list{display:flex;flex-direction:column;gap:8px}
.ap-edit-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#fff;border:1px solid var(--bdr-lt);border-radius:var(--r-md);cursor:pointer;transition:all var(--ease)}
.ap-edit-item:hover{border-color:var(--gold);box-shadow:var(--sh-sm);transform:translateX(3px)}
.ap-edit-item-info{display:flex;align-items:center;gap:10px}
.ap-edit-item-num{width:24px;height:24px;background:var(--red);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:600;flex-shrink:0}
.ap-edit-item-name{font-size:.88rem;color:var(--tx-dk);font-weight:500;letter-spacing:.04em}
.ap-edit-item-arrow{color:var(--tx-lt);font-size:.9rem}

/* 照片管理 */
.ap-media-grid{display:flex;flex-direction:column;gap:12px}
.ap-media-item{background:#fff;border:1px solid var(--bdr-lt);border-radius:var(--r-md);padding:14px 16px}
.ap-media-label{font-size:.85rem;color:var(--tx-dk);font-weight:500;margin-bottom:8px;letter-spacing:.04em}
.ap-media-preview{width:100%;height:120px;background:var(--bg-sec);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;margin-bottom:8px;overflow:hidden;border:1px dashed var(--bdr-lt)}
.ap-media-preview img{width:100%;height:100%;object-fit:cover}
.ap-media-preview span{font-size:.78rem;color:var(--tx-lt)}
.ap-media-upload{display:flex;gap:8px}
.ap-media-upload-btn{flex:1;padding:8px;background:rgba(212,168,75,.06);border:1px solid var(--bdr-lt);border-radius:var(--r-sm);color:var(--gold-dk);font-size:.78rem;cursor:pointer;text-align:center;transition:all var(--ease);letter-spacing:.04em}
.ap-media-upload-btn:hover{background:rgba(212,168,75,.12);border-color:var(--gold)}
.ap-media-del-btn{padding:8px 12px;background:rgba(196,30,42,.04);border:1px solid rgba(196,30,42,.15);border-radius:var(--r-sm);color:var(--red);font-size:.78rem;cursor:pointer;transition:all var(--ease)}
.ap-media-del-btn:hover{background:rgba(196,30,42,.1);border-color:var(--red)}

/* 个性化设置 */
.ap-setting-group{margin-bottom:20px}
.ap-setting-group label{display:block;font-size:.82rem;color:var(--tx-md);margin-bottom:6px;font-weight:500;letter-spacing:.06em}
.ap-setting-group input[type="text"],
.ap-setting-group select{width:100%;padding:10px 12px;border:1.5px solid var(--bdr-lt);border-radius:var(--r-md);font-size:.88rem;color:var(--tx-dk);background:#fff;transition:all var(--ease);outline:none;font-family:var(--sans)}
.ap-setting-group input:focus,
.ap-setting-group select:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,168,75,.1)}
.ap-color-row{display:flex;gap:10px;flex-wrap:wrap}
.ap-color-opt{width:48px;height:48px;border-radius:var(--r-md);cursor:pointer;border:3px solid transparent;transition:all var(--ease);box-shadow:var(--sh-sm)}
.ap-color-opt:hover{transform:scale(1.08)}
.ap-color-opt.active{border-color:var(--tx-dk);box-shadow:0 0 0 2px var(--gold)}

/* 编辑模态框 */
.edit-box{width:600px;max-width:92vw;padding:36px;max-height:85vh}
.edit-header{margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--bdr-lt)}
.edit-header h3{font-family:var(--serif);font-size:1.25rem;color:var(--tx-dk);letter-spacing:.06em}
.edit-section-name{font-size:.78rem;color:var(--red);letter-spacing:.08em}
.edit-body{margin-bottom:24px}
.edit-field{margin-bottom:16px}
.edit-field label{display:block;font-size:.82rem;color:var(--tx-md);margin-bottom:6px;font-weight:500;letter-spacing:.06em}
.edit-field input,
.edit-field textarea{width:100%;padding:10px 12px;border:1.5px solid var(--bdr-lt);border-radius:var(--r-md);font-size:.88rem;color:var(--tx-dk);background:#fff;transition:all var(--ease);outline:none;font-family:var(--sans);line-height:1.6}
.edit-field textarea{min-height:100px;resize:vertical}
.edit-field input:focus,
.edit-field textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,168,75,.1)}
.edit-footer{display:flex;gap:12px;justify-content:flex-end;padding-top:16px;border-top:1px solid var(--bdr-lt)}
.edit-btn{padding:10px 24px;border-radius:var(--r-md);font-size:.88rem;cursor:pointer;transition:all var(--ease);letter-spacing:.08em;border:none;font-family:var(--sans)}
.edit-cancel{background:#fff;border:1px solid var(--bdr-lt);color:var(--tx-md)}
.edit-cancel:hover{background:var(--bg-sec);border-color:var(--gold)}
.edit-save{background:var(--red);color:#fff;font-weight:600}
.edit-save:hover{background:var(--red-lt);box-shadow:0 4px 16px rgba(196,30,42,.3)}

/* ===== 管理员模式指示器 ===== */
.admin-indicator{position:fixed;bottom:28px;left:28px;padding:8px 16px;background:var(--red);color:#fff;border-radius:20px;font-size:.78rem;display:flex;align-items:center;gap:6px;z-index:100;box-shadow:var(--sh-md);letter-spacing:.06em;animation:adminPulse 2s ease-in-out infinite}
@keyframes adminPulse{0%,100%{box-shadow:var(--sh-md)}50%{box-shadow:0 4px 24px rgba(196,30,42,.4)}}

/* ===== 保存成功提示 ===== */
.save-toast{position:fixed;top:80px;left:50%;transform:translateX(-50%) translateY(-20px);padding:12px 28px;background:var(--bg-dk);color:var(--gold-lt);border-radius:var(--r-md);font-size:.88rem;z-index:3000;box-shadow:var(--sh-lg);opacity:0;transition:all .4s ease;letter-spacing:.1em;border:1px solid var(--gold);pointer-events:none}
.save-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== 管理员编辑态高亮 ===== */
body.admin-mode [data-editable]{position:relative;transition:outline .2s ease}
body.admin-mode [data-editable]:hover{outline:2px dashed var(--gold);outline-offset:4px;cursor:pointer}
body.admin-mode [data-field]{position:relative;transition:outline .2s ease}
body.admin-mode [data-field]:hover{outline:2px dashed var(--red);outline-offset:2px;cursor:text}

/* ===== 通用展厅 ===== */
.sec{padding:100px 0;position:relative}
.light-sec{background:var(--bg-sec)}
.dark-sec{background:var(--bg-dk);color:var(--tx-w)}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.sec-head{text-align:center;margin-bottom:64px;padding:0 16px}
.sec-tag{display:inline-block;padding:4px 16px;border:1px solid var(--gold);border-radius:18px;font-size:.78rem;color:var(--gold);letter-spacing:.2em;margin-bottom:18px}
.sec-title{font-family:var(--serif);font-size:clamp(1.9rem,4vw,2.8rem);font-weight:900;color:var(--tx-dk);letter-spacing:.08em;margin-bottom:10px}
.dark-sec .sec-title{color:var(--gold-lt)}
.sec-sub{font-size:.95rem;color:var(--tx-lt);letter-spacing:.08em;line-height:1.7}
.dark-sec .sec-sub{color:var(--tx-wm)}
.sec-div{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:18px}
.sec-div i{color:var(--gold);font-size:.65rem;font-style:normal}
.sec-div span{width:50px;height:1px;background:var(--gold)}

/* ===== Hero ===== */
.hero-sec{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-dk);overflow:hidden}
.hero-deco{position:absolute;inset:0;opacity:.035;background-image:radial-gradient(circle at 20% 50%,var(--gold) 1px,transparent 1px),radial-gradient(circle at 80% 20%,var(--red) 1px,transparent 1px),radial-gradient(circle at 50% 80%,var(--gold) 1px,transparent 1px);background-size:60px 60px,80px 80px,70px 70px}
.hero-particles{position:absolute;inset:0;pointer-events:none}
.hero-body{position:relative;z-index:2;text-align:center;padding:0 20px}
.hero-badge{display:inline-block;padding:5px 18px;border:1px solid var(--gold);border-radius:18px;color:var(--gold);font-size:.78rem;letter-spacing:.3em;margin-bottom:28px;opacity:0;animation:fadeUp .8s ease .5s forwards}
.hero-title{font-family:var(--serif);margin-bottom:22px}
.t1{display:block;font-size:clamp(2.4rem,7vw,4.6rem);font-weight:900;color:var(--gold-lt);letter-spacing:.2em;opacity:0;animation:fadeUp .8s ease .7s forwards}
.t-div{display:block;color:var(--red);font-size:.9rem;letter-spacing:.5em;margin:8px 0;opacity:0;animation:fadeUp .8s ease .8s forwards}
.t2{display:block;font-size:clamp(1.4rem,4vw,2.8rem);color:var(--gold);opacity:0;animation:fadeUp .8s ease .9s forwards}
.hero-desc{font-size:1.05rem;color:var(--tx-wm);line-height:2;margin-bottom:36px;opacity:0;animation:fadeUp .8s ease 1.1s forwards}
.hero-stats{display:flex;gap:48px;justify-content:center;margin-bottom:44px;opacity:0;animation:fadeUp .8s ease 1.3s forwards}
.stat{text-align:center}
.stat-val{font-family:var(--serif);font-size:2.4rem;font-weight:900;color:var(--gold)}
.stat-unit{font-size:.95rem;color:var(--gold-lt)}
.stat-label{display:block;font-size:.78rem;color:var(--tx-wm);margin-top:3px;letter-spacing:.1em}
.hero-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;background:var(--red);color:#fff;border-radius:28px;font-size:.95rem;letter-spacing:.1em;transition:all var(--ease);opacity:0;animation:fadeUp .8s ease 1.5s forwards}
.hero-cta:hover{background:var(--red-lt);transform:translateY(-2px);box-shadow:0 8px 28px rgba(196,30,42,.35)}
.scroll-hint{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);text-align:center;opacity:0;animation:fadeUp .8s ease 2s forwards}
.scroll-mouse{width:22px;height:36px;border:2px solid rgba(212,168,75,.35);border-radius:11px;margin:0 auto 7px;position:relative}
.scroll-dot{width:3px;height:7px;background:var(--gold);border-radius:3px;position:absolute;top:5px;left:50%;transform:translateX(-50%);animation:scrollD 1.5s ease-in-out infinite}
@keyframes scrollD{0%{opacity:1;transform:translateX(-50%) translateY(0)}100%{opacity:0;transform:translateX(-50%) translateY(11px)}}
.scroll-hint span{font-size:.72rem;color:var(--tx-wm);letter-spacing:.2em}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}

/* ===== 概述区块 ===== */
.intro-block{display:grid;grid-template-columns:1.3fr 1fr;background:#fff;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--bdr-lt);box-shadow:var(--sh-sm);margin-bottom:52px}
.intro-text{padding:36px 40px}
.intro-text h3{font-family:var(--serif);font-size:1.4rem;color:var(--tx-dk);margin-bottom:14px;letter-spacing:.06em}
.intro-text p{font-size:.92rem;color:var(--tx-md);line-height:1.95;margin-bottom:6px}
.intro-text p strong{color:var(--tx-dk);font-weight:600;letter-spacing:.04em}
.intro-text em{font-style:normal;color:var(--red);font-weight:600}
.intro-img{position:relative;min-height:260px;background:linear-gradient(135deg,#3a2a1a 0%,#5a4a2a 40%,#8a7a4a 100%);overflow:hidden}
.intro-img-inner{position:absolute;inset:0;opacity:.15;background-image:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,.08) 10px,rgba(255,255,255,.08) 20px)}
.intro-img-cap{position:absolute;bottom:14px;left:14px;background:rgba(26,18,16,.82);color:var(--gold-lt);padding:5px 12px;border-radius:var(--r-sm);font-size:.78rem;letter-spacing:.08em;backdrop-filter:blur(10px)}

/* ===== 区块标题 ===== */
.block-title{font-family:var(--serif);font-size:1.25rem;color:var(--tx-dk);margin:48px 0 24px;letter-spacing:.06em;display:flex;align-items:center;gap:12px}
.block-badge{display:inline-block;padding:3px 12px;background:var(--red);color:#fff;font-size:.72rem;border-radius:10px;letter-spacing:.1em}

/* ===== 威宁地标 ===== */
.landmarks{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.lm-card{padding:22px;border-radius:var(--r-lg);border:1px solid var(--bdr-lt);transition:all var(--ease);background:#fff}
.lm-card:hover{border-color:var(--gold);box-shadow:var(--sh-sm);transform:translateY(-2px)}
.lm-icon{font-size:1.8rem;margin-bottom:10px}
.lm-card h4{font-family:var(--serif);font-size:1rem;color:var(--tx-dk);margin-bottom:6px;letter-spacing:.04em}
.lm-period{font-size:.78rem;color:var(--red);margin-bottom:8px;letter-spacing:.04em}
.lm-card p{font-size:.84rem;color:var(--tx-md);line-height:1.8}
.lm-quote{margin-top:10px;padding:10px 14px;background:rgba(196,30,42,.04);border-left:3px solid var(--red);border-radius:0 var(--r-sm) var(--r-sm) 0;font-style:italic;font-size:.82rem!important;color:var(--tx-md);line-height:1.7}
.lm-quote cite{font-style:normal;font-size:.78rem;color:var(--tx-lt)}

/* ===== 流程条 ===== */
.flow-strip{background:#fff;border-radius:var(--r-xl);padding:32px;border:1px solid var(--bdr-lt);margin-top:48px}
.flow-strip.dark-flow{background:var(--bg-dk2);border-color:var(--bdr-dk)}
.flow-title{font-family:var(--serif);font-size:1.15rem;text-align:center;margin-bottom:22px;color:var(--tx-dk);letter-spacing:.06em}
.dark-flow .flow-title{color:var(--gold-lt)}
.flow-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.flow-node{display:flex;flex-direction:column;align-items:center;padding:12px 16px;border-radius:var(--r-md);border:1px solid var(--bdr-lt);font-family:var(--serif);font-size:.9rem;color:var(--tx-dk);font-weight:600;letter-spacing:.04em;transition:all var(--ease);min-width:90px;text-align:center}
.flow-node span{font-size:.72rem;color:var(--tx-lt);font-weight:400;margin-top:3px;letter-spacing:.04em}
.flow-node:hover{border-color:var(--gold)}
.flow-node.hl{border-color:var(--red);background:rgba(196,30,42,.04)}
.dark-flow .flow-node{border-color:var(--bdr-dk);color:var(--gold-lt);background:rgba(255,255,255,.02)}
.dark-flow .flow-node span{color:var(--tx-wm)}
.dark-flow .flow-node.hl{border-color:var(--red);background:rgba(196,30,42,.12)}
.flow-arrow{color:var(--gold);font-size:1.1rem;font-weight:700;flex-shrink:0}

/* ===== 时间线 ===== */
.timeline{position:relative;max-width:860px;margin:0 auto 60px;padding:16px 0}
.tl-line{position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,transparent,var(--gold),var(--gold),transparent);transform:translateX(-50%)}
.tl-item{position:relative;width:50%;padding:18px 36px;margin-bottom:24px}
.tl-left{left:0;text-align:right;padding-right:56px}
.tl-right{left:50%;text-align:left;padding-left:56px}
.tl-dot{position:absolute;top:28px;width:14px;height:14px;background:var(--red);border:3px solid var(--bg-dk);border-radius:50%;z-index:2}
.tl-left .tl-dot{right:-7px}
.tl-right .tl-dot{left:-7px}
.tl-card{background:var(--bg-dk2);padding:24px;border-radius:var(--r-md);border:1px solid var(--bdr-dk);transition:all var(--ease)}
.tl-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.tl-era{display:inline-block;font-size:.72rem;color:var(--red-lt);background:rgba(196,30,42,.12);padding:2px 10px;border-radius:8px;letter-spacing:.08em;margin-bottom:8px}
.tl-card h3{font-family:var(--serif);font-size:1.2rem;color:var(--gold-lt);margin-bottom:8px;letter-spacing:.04em}
.tl-card p{font-size:.88rem;color:var(--tx-wm);line-height:1.85;margin-bottom:5px}
.tl-card p strong{color:var(--tx-w);font-weight:600}
.tl-card .lm-quote{background:rgba(212,168,75,.06);border-left-color:var(--gold);color:var(--tx-wm)}
.tl-tag{display:inline-block;margin-top:10px;font-size:.78rem;color:var(--gold-dk);letter-spacing:.08em}

/* ===== 宜居文化 ===== */
.culture-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:52px}
.cul-card{background:#fff;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--bdr-lt);transition:all var(--ease)}
.cul-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.cul-wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr}
.cul-visual{position:relative;min-height:240px;overflow:hidden}
.cul-house{background:linear-gradient(135deg,#4a3420,#7a5a3a,#b08a5a)}
.cul-farm{background:linear-gradient(135deg,#2a5016,#4a7a2e,#6aaa3a)}
.cul-dress{background:linear-gradient(135deg,#8a1520,#c41e2a,#d4a84b)}
.cul-badge{display:inline-block;padding:2px 10px;background:rgba(196,30,42,.06);color:var(--red);font-size:.72rem;border-radius:8px;letter-spacing:.08em;margin-bottom:8px}
.cul-info{padding:24px}
.cul-info h3{font-family:var(--serif);font-size:1.3rem;color:var(--tx-dk);margin-bottom:10px;letter-spacing:.04em}
.cul-info p{font-size:.88rem;color:var(--tx-md);line-height:1.85}
.cul-list{margin-top:10px}
.cul-list li{font-size:.84rem;color:var(--tx-md);padding:5px 0 5px 16px;position:relative;line-height:1.75}
.cul-list li::before{content:'◆';position:absolute;left:0;color:var(--gold);font-size:.45rem;top:10px}

/* ===== 习俗 ===== */
.customs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cstm-card{padding:22px;border-radius:var(--r-lg);border:1px solid var(--bdr-lt);transition:all var(--ease);background:#fff}
.cstm-card:hover{border-color:var(--gold);box-shadow:var(--sh-sm);transform:translateY(-2px)}
.cstm-icon{font-size:1.8rem;margin-bottom:10px}
.cstm-card h4{font-family:var(--serif);font-size:1rem;color:var(--tx-dk);margin-bottom:8px;letter-spacing:.04em}
.cstm-card p{font-size:.84rem;color:var(--tx-md);line-height:1.8}

/* ===== 支系分布 ===== */
.dist-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.dist-card{background:var(--bg-dk2);border-radius:var(--r-xl);padding:26px;border:1px solid var(--bdr-dk);transition:all var(--ease)}
.dist-card:hover{transform:translateY(-3px);box-shadow:0 8px 36px rgba(212,168,75,.08)}
.dist-core{border-color:var(--red);background:linear-gradient(180deg,rgba(196,30,42,.08),var(--bg-dk2))}
.dist-head{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.dist-flag{font-size:1.4rem}
.dist-head h4{font-family:var(--serif);font-size:1.15rem;color:var(--gold-lt);flex:1;letter-spacing:.04em}
.dist-pop{padding:2px 10px;background:rgba(196,30,42,.12);color:var(--red-lt);border-radius:8px;font-size:.78rem;letter-spacing:.04em}
.dist-desc{font-size:.84rem;color:var(--tx-wm);line-height:1.65;margin-bottom:14px}
.dist-area{margin-bottom:10px}
.dist-area h5{font-family:var(--serif);font-size:.82rem;color:var(--gold);margin-bottom:7px;padding-bottom:4px;border-bottom:1px solid var(--bdr-dk);letter-spacing:.04em}
.dist-tags{display:flex;flex-wrap:wrap;gap:5px}
.dist-tags span{padding:3px 9px;background:rgba(255,255,255,.04);color:var(--tx-wm);border-radius:10px;font-size:.78rem;border:1px solid var(--bdr-dk);letter-spacing:.02em}
.dist-tags .tag-core{background:rgba(196,30,42,.1);color:var(--red-lt);border-color:rgba(196,30,42,.25)}
.dist-note{margin-top:10px;padding:8px 12px;background:rgba(212,168,75,.04);border-radius:var(--r-sm);font-size:.78rem;color:var(--tx-wm);font-style:italic}

/* ===== 史料依据 ===== */
.src-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:36px}
.src-card{background:#fff;border-radius:var(--r-md);padding:24px;border:1px solid var(--bdr-lt);transition:all var(--ease)}
.src-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--gold)}
.src-primary{border-color:var(--red);background:linear-gradient(180deg,rgba(196,30,42,.025),#fff)}
.src-icon{font-size:1.8rem;margin-bottom:8px}
.src-badge{display:inline-block;padding:2px 9px;background:var(--red);color:#fff;font-size:.68rem;border-radius:6px;letter-spacing:.08em;margin-bottom:6px}
.src-card h4{font-family:var(--serif);font-size:1rem;color:var(--tx-dk);margin-bottom:6px;letter-spacing:.04em}
.src-card p{font-size:.84rem;color:var(--tx-md);line-height:1.75}

/* ===== 核心结论 ===== */
.conclusion{background:linear-gradient(135deg,rgba(196,30,42,.04),rgba(212,168,75,.04));border-radius:var(--r-xl);padding:44px 36px;text-align:center;border:2px solid var(--red)}
.cl-icon{font-size:1.8rem;color:var(--gold);margin-bottom:14px}
.conclusion h3{font-family:var(--serif);font-size:1.4rem;color:var(--tx-dk);margin-bottom:14px;letter-spacing:.08em}
.conclusion p{font-size:1rem;color:var(--tx-md);line-height:2;max-width:560px;margin:0 auto}

/* ===== 寻根传承 ===== */
.htg-statement{margin-bottom:48px;padding:44px 36px;background:var(--bg-dk2);border-radius:var(--r-xl);border:1px solid var(--bdr-dk);text-align:center}
.htg-icon{font-size:2.6rem;margin-bottom:14px}
.htg-statement h3{font-family:var(--serif);font-size:1.7rem;color:var(--gold-lt);margin-bottom:14px;letter-spacing:.1em}
.htg-statement p{font-size:.95rem;color:var(--tx-wm);line-height:2;max-width:660px;margin:0 auto 6px}
.htg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.htg-item{background:var(--bg-dk2);border-radius:var(--r-xl);padding:28px;border:1px solid var(--bdr-dk);text-align:center;transition:all var(--ease)}
.htg-item:hover{border-color:var(--gold);transform:translateY(-3px)}
.htg-item-icon{font-size:2.2rem;margin-bottom:14px}
.htg-item h4{font-family:var(--serif);font-size:1.15rem;color:var(--gold-lt);margin-bottom:10px;letter-spacing:.06em}
.htg-item p{font-size:.88rem;color:var(--tx-wm);line-height:1.85}

/* ===== 尾声 ===== */
.epilogue-sec{background:var(--bg-dk);padding:100px 0;text-align:center;overflow:hidden;position:relative}
.epi-deco{position:absolute;inset:0;opacity:.025;background-image:radial-gradient(circle at 25% 25%,var(--gold) 1px,transparent 1px),radial-gradient(circle at 75% 75%,var(--red) 1px,transparent 1px);background-size:40px 40px}
.epi-body{position:relative;z-index:2;padding:0 20px}
.epi-body h2{font-family:var(--serif);font-size:clamp(2.8rem,6vw,4.6rem);color:var(--gold-lt);letter-spacing:.5em;margin-bottom:36px}
.epi-text{font-size:1.05rem;color:var(--tx-wm);line-height:2.2;max-width:560px;margin:0 auto}
.epi-ornament{color:var(--red);font-size:.75rem;letter-spacing:1em;margin:36px 0 18px}
.epi-credit{font-size:.82rem;color:var(--tx-wm);letter-spacing:.3em}
.epi-source{font-size:.68rem;color:rgba(168,152,136,.5);margin-top:18px;letter-spacing:.04em;max-width:660px;margin-left:auto;margin-right:auto;line-height:1.7}

/* ===== 页脚 ===== */
.site-ft{background:#0F0A08;padding:36px 0;text-align:center}
.ft-inner{padding:0 20px}
.ft-brand{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:8px}
.ft-logo{display:flex;align-items:center;font-size:1rem;color:var(--gold)}
.ft-brand{font-family:var(--serif);color:var(--gold-lt);font-size:.88rem;letter-spacing:.15em}
.ft-copy{font-size:.78rem;color:var(--tx-wm);margin-bottom:14px}
.ft-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.ft-links a{color:var(--tx-wm);font-size:.72rem;transition:color var(--ease)}
.ft-links a:hover{color:var(--gold)}

/* ===== 回到顶部 ===== */
.back-top{position:fixed;bottom:28px;right:28px;width:42px;height:42px;background:var(--red);color:#fff;border:none;border-radius:50%;font-size:1.1rem;cursor:pointer;opacity:0;visibility:hidden;transition:all var(--ease);z-index:100;box-shadow:var(--sh-md)}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--red-lt);transform:translateY(-2px)}

/* ===== 滚动动画基础类 ===== */
.aos-init{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.aos-init[data-aos="fade-left"]{transform:translateX(-28px)}
.aos-init[data-aos="fade-right"]{transform:translateX(28px)}
.aos-init[data-aos="fade-up"]{transform:translateY(28px)}
.aos-on{opacity:1!important;transform:translate(0,0)!important}

/* ================================================================
   响应式
   ================================================================ */
@media(max-width:1024px){
    .landmarks{grid-template-columns:repeat(2,1fr)}
    .customs-grid{grid-template-columns:repeat(2,1fr)}
    .dist-grid{grid-template-columns:1fr}
    .src-grid{grid-template-columns:repeat(2,1fr)}
    .htg-grid{grid-template-columns:1fr}
    .flow-row{flex-direction:column}
    .flow-arrow{transform:rotate(90deg)}
    .flow-node{width:100%}
    .cul-wide{grid-column:span 2;grid-template-columns:1fr}
    .intro-block{grid-template-columns:1fr}
    .intro-img{min-height:200px}
    .culture-grid{grid-template-columns:1fr}
    .cul-wide{grid-column:span 1}
    .admin-panel{width:360px;right:-380px}
}

@media(max-width:768px){
    .nav-menu{display:none}
    .nav-toggle{display:flex}
    .sec{padding:72px 0}
    .sec-head{margin-bottom:44px}
    .hero-stats{gap:28px}
    .stat-val{font-size:2rem}
    .timeline .tl-line{left:18px}
    .tl-item{width:100%!important;left:0!important;text-align:left!important;padding-left:48px!important;padding-right:0!important}
    .tl-dot{left:11px!important;right:auto!important}
    .landmarks{grid-template-columns:1fr}
    .customs-grid{grid-template-columns:1fr}
    .src-grid{grid-template-columns:1fr}
    .conclusion{padding:28px 20px}
    .flow-strip{padding:22px}
    .intro-text{padding:24px}
    .admin-panel{width:100%;right:-100%}
    .admin-btn span{display:none}
    .admin-btn{padding:8px 10px}
    .edit-box{padding:24px}
}

@media(max-width:480px){
    .hero-stats{flex-direction:column;gap:16px}
    .stat{display:flex;align-items:center;gap:8px}
    .stat-label{margin-top:0}
    .dist-card{padding:18px}
    .hero-body{padding:0 14px}
    .login-box{padding:28px 20px 20px}
}