/* ===== Section title shared ===== */
.sec_title{text-align:center;margin-bottom:50px}
.sec_kicker{display:inline-block;background:var(--color-primary-light);color:var(--color-primary);font-size:13px;font-weight:600;padding:5px 14px;border-radius:20px;margin-bottom:14px;letter-spacing:.5px}
.sec_h{font-size:36px;font-weight:700;color:var(--color-text-h);line-height:1.3;margin-bottom:12px}
.sec_desc{color:var(--color-text-sub);font-weight:300;font-size:18px}

/* ===== Hero banner ===== */
.hero{width:100%;min-height:560px;background:linear-gradient(135deg,#0c2246 0%,#1a3a6e 50%,#2a5aa8 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;position:relative;padding:90px 20px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 20% 30%,rgba(42,90,168,.45),transparent 55%),radial-gradient(ellipse at 80% 70%,rgba(250,100,0,.18),transparent 55%);pointer-events:none}
.hero::after{content:"";position:absolute;top:50%;left:50%;width:1px;height:80px;background:linear-gradient(180deg,transparent,rgba(255,255,255,.4),transparent);bottom:30px;top:auto;animation:scrollHint 2s ease-in-out infinite}
@keyframes scrollHint{0%,100%{opacity:.3;transform:translateX(-50%) translateY(0)}50%{opacity:1;transform:translateX(-50%) translateY(10px)}}
.hero_kicker{position:relative;z-index:2;display:inline-block;background:rgba(255,255,255,.12);color:#fff;font-size:13px;padding:8px 18px;border-radius:30px;letter-spacing:1.5px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}
.hero h2{position:relative;z-index:2;font-size:72px;font-weight:900;color:#fff;letter-spacing:6px;line-height:1.1;margin:14px 0;text-align:center}
.hero h2 .highlight{background:linear-gradient(120deg,#fbb87e,#fa6400);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero_subtitle{position:relative;z-index:2;font-size:24px;color:#fff;font-weight:300;letter-spacing:8px;margin-top:8px;text-align:center}
.hero_subtitle strong{font-weight:600}
.hero_intro{position:relative;z-index:2;max-width:880px;text-align:center;font-size:17px;color:rgba(255,255,255,.8);line-height:1.95;margin-top:24px;letter-spacing:.5px;font-weight:300}
.hero_intro strong{color:#fff;font-weight:600}
.hero_meta{position:relative;z-index:2;display:flex;gap:20px;margin-top:30px;flex-wrap:wrap;justify-content:center}
.hero_meta_item{padding:10px 22px;background:rgba(255,255,255,.08);border-radius:30px;color:#fff;font-size:14px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);letter-spacing:.5px}
.hero_meta_item strong{color:#fbb87e;font-weight:700;margin-right:6px}

/* ===== Story section (凌晨三点 vs 上午十一点) ===== */
.story_section{width:100%;background:#fff;padding:90px 0}
.story_inner{max-width:1180px;margin:0 auto;padding:0 40px}
.story_quote_top{text-align:center;font-size:22px;color:var(--color-text-sub);font-style:italic;line-height:1.7;margin-bottom:46px;letter-spacing:.5px;font-weight:400}
.story_quote_top .em-orange{color:var(--color-orange);font-weight:700;font-style:normal}
.story_scenes{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:36px}
.scene_card{background:linear-gradient(160deg,#f4f7fd,#fff);border-radius:18px;padding:32px 32px;border:1px solid rgba(42,90,168,.08);border-left:4px solid var(--color-primary);transition:all .25s;position:relative;overflow:hidden}
.scene_card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(42,90,168,.1)}
.scene_card:nth-child(2){border-left-color:var(--color-orange);background:linear-gradient(160deg,#fff8f0,#fff)}
.scene_time{font-size:14px;color:var(--color-primary);font-weight:700;letter-spacing:1.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.scene_card:nth-child(2) .scene_time{color:var(--color-orange-dark)}
.scene_time::before{content:"●";font-size:10px}
.scene_text{font-size:15px;color:var(--color-text-body);line-height:1.95;font-weight:400}
.scene_text strong{color:var(--color-primary-deep);font-weight:700}
.story_conclusion{padding:32px 40px;background:linear-gradient(135deg,#0c2246,#1a3a6e 50%,#2a5aa8);border-radius:18px;color:#fff;text-align:center;font-size:18px;line-height:1.85;letter-spacing:.5px;font-weight:400;position:relative;overflow:hidden}
.story_conclusion::before{content:"";position:absolute;top:-40px;right:-40px;width:140px;height:140px;background:radial-gradient(circle,rgba(250,100,0,.25),transparent 70%);border-radius:50%}
.story_conclusion .strong{color:#fbb87e;font-weight:700}

/* ===== Numbers section ===== */
.numbers_section{width:100%;background:linear-gradient(180deg,#f8f8f8,#fff);padding:90px 0}
.numbers_lead{text-align:center;max-width:780px;margin:0 auto 46px}
.numbers_lead p{font-size:17px;color:var(--color-text-sub);line-height:1.85}
.numbers_grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:1280px;margin:0 auto}
.num_card{background:#fff;border-radius:16px;padding:32px 24px;border:1px solid rgba(42,90,168,.08);text-align:center;transition:all .3s;box-shadow:0 4px 14px rgba(12,34,70,.04);position:relative;overflow:hidden}
.num_card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(42,90,168,.12);border-color:rgba(42,90,168,.2)}
.num_card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#fa6400,#fbb87e);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.num_card:hover::before{transform:scaleX(1)}
.num_value{font-size:40px;color:var(--color-primary-deep);font-weight:800;line-height:1.1;margin-bottom:8px;letter-spacing:-1px}
.num_value .unit{font-size:18px;color:var(--color-orange);margin-left:2px;font-weight:700}
.num_label{font-size:14px;color:var(--color-text-h);font-weight:700;margin-bottom:6px;letter-spacing:.3px}
.num_note{font-size:12px;color:var(--color-text-muted);line-height:1.6}
.numbers_summary{margin-top:42px;text-align:center;font-size:17px;color:var(--color-text-sub);font-style:italic;letter-spacing:.5px}
.numbers_summary span{color:var(--color-primary-deep);font-weight:700;font-style:normal}

/* ===== Differentiators (4 things) ===== */
.diff_section{width:100%;background:#fff;padding:90px 0}
.diff_grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:1280px;margin:0 auto}
.diff_card{background:linear-gradient(160deg,#f4f7fd,#fff);border-radius:20px;padding:36px 36px;border:1px solid rgba(42,90,168,.08);transition:all .3s;position:relative;overflow:hidden}
.diff_card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(42,90,168,.12);border-color:rgba(42,90,168,.2)}
.diff_card.feature{background:linear-gradient(160deg,#0c2246,#1a3a6e 50%,#2a5aa8);color:#fff;border-color:transparent}
.diff_card.feature::before{content:"";position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:radial-gradient(circle,rgba(250,100,0,.22),transparent 70%);border-radius:50%}
.diff_card.feature .diff_title,.diff_card.feature .diff_subtitle{color:#fff}
.diff_card.feature .diff_subtitle{color:#fbb87e}
.diff_card.feature .diff_desc{color:rgba(255,255,255,.85)}
.diff_card.feature .diff_data{background:rgba(255,255,255,.1);color:#fbb87e;border-color:rgba(251,184,126,.3)}
.diff_head{display:flex;align-items:flex-start;gap:18px;margin-bottom:18px;position:relative;z-index:2}
.diff_idx{flex-shrink:0;width:54px;height:54px;background:linear-gradient(135deg,#1a3a6e,#2a5aa8);border-radius:14px;color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;box-shadow:0 6px 16px rgba(42,90,168,.25)}
.diff_card.feature .diff_idx{background:linear-gradient(135deg,#fa6400,#EC5F00);box-shadow:0 6px 16px rgba(250,100,0,.4)}
.diff_head_text{flex:1}
.diff_title{font-size:22px;font-weight:800;color:var(--color-text-h);line-height:1.3;margin-bottom:4px;letter-spacing:.3px}
.diff_subtitle{font-size:14px;color:var(--color-orange-dark);font-weight:600;letter-spacing:.5px}
.diff_desc{position:relative;z-index:2;font-size:15px;color:var(--color-text-sub);line-height:1.85;margin-bottom:18px}
.diff_data{position:relative;z-index:2;display:inline-block;padding:8px 16px;background:var(--color-primary-light);color:var(--color-primary-deep);font-size:13px;font-weight:700;border-radius:24px;border:1px solid rgba(42,90,168,.15);letter-spacing:.3px}

/* ===== Global footprint (6 centers + map style) ===== */
.global_section{width:100%;background:linear-gradient(180deg,#f4f7fd,#f8f8f8);padding:90px 0}
.global_intro{text-align:center;max-width:780px;margin:0 auto 46px}
.global_intro p{font-size:17px;color:var(--color-text-sub);line-height:1.85}
.global_layout{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1280px;margin:0 auto 30px}
.center_card{background:#fff;border-radius:18px;padding:30px 28px;border:1px solid rgba(42,90,168,.08);transition:all .3s;position:relative;overflow:hidden}
.center_card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(42,90,168,.12);border-color:rgba(42,90,168,.2)}
.center_card::before{content:"";position:absolute;top:-30px;right:-30px;width:100px;height:100px;background:radial-gradient(circle,rgba(42,90,168,.08),transparent 70%);border-radius:50%}
.center_top{display:flex;align-items:center;gap:14px;margin-bottom:14px;position:relative;z-index:2}
.center_flag{font-size:38px;line-height:1}
.center_meta{flex:1}
.center_country{font-size:11px;color:var(--color-orange);font-weight:700;letter-spacing:1.5px;margin-bottom:2px}
.center_city{font-size:22px;font-weight:800;color:var(--color-primary-deep);letter-spacing:.5px}
.center_role{font-size:13px;color:var(--color-text-sub);line-height:1.7;font-weight:500;position:relative;z-index:2}
.country_strip{margin-top:30px;display:flex;justify-content:center;gap:22px;flex-wrap:wrap;padding:24px 32px;background:#fff;border-radius:16px;max-width:900px;margin-left:auto;margin-right:auto;border:1px solid rgba(42,90,168,.08);box-shadow:0 4px 14px rgba(12,34,70,.04)}
.country_strip_label{font-size:13px;color:var(--color-text-muted);font-weight:600;letter-spacing:1px;display:flex;align-items:center;padding-right:10px;border-right:1px solid var(--color-border)}
.country_pill{padding:6px 16px;background:var(--color-primary-light);color:var(--color-primary-deep);border-radius:20px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px}

/* ===== Timeline (17 years) ===== */
.timeline_section{width:100%;background:#fff;padding:90px 0}
.timeline_wrap{max-width:1280px;margin:0 auto;position:relative;padding:30px 60px}
.timeline_wrap::before{content:"";position:absolute;left:60px;right:60px;top:90px;height:3px;background:linear-gradient(90deg,var(--color-primary-light),var(--color-primary) 50%,var(--color-primary-light));border-radius:2px;z-index:0}
.timeline_grid{display:grid;grid-template-columns:repeat(8,1fr);gap:14px;position:relative;z-index:1}
.tl_node{text-align:center;position:relative;cursor:default}
.tl_year{font-size:22px;font-weight:800;color:var(--color-primary-deep);margin-bottom:18px;letter-spacing:1px;line-height:1}
.tl_dot{width:18px;height:18px;background:var(--color-orange);border-radius:50%;margin:0 auto 24px;box-shadow:0 0 0 6px rgba(250,100,0,.18),0 4px 12px rgba(250,100,0,.4);position:relative;z-index:2;transition:all .3s}
.tl_node:hover .tl_dot{transform:scale(1.2);box-shadow:0 0 0 8px rgba(250,100,0,.25),0 6px 16px rgba(250,100,0,.5)}
.tl_node.last .tl_dot{background:var(--color-primary-deep);box-shadow:0 0 0 6px rgba(12,34,70,.18),0 4px 12px rgba(12,34,70,.4)}
.tl_card{background:linear-gradient(160deg,#f4f7fd,#fff);border-radius:14px;padding:18px 14px;border:1px solid rgba(42,90,168,.08);transition:all .25s;min-height:120px}
.tl_node:hover .tl_card{transform:translateY(-4px);box-shadow:0 10px 24px rgba(42,90,168,.12);border-color:rgba(42,90,168,.2)}
.tl_node.last .tl_card{background:linear-gradient(160deg,#0c2246,#2a5aa8);color:#fff;border-color:transparent}
.tl_node.last .tl_year{color:var(--color-primary-deep)}
.tl_title{font-size:14px;font-weight:800;color:var(--color-text-h);margin-bottom:6px;letter-spacing:.3px}
.tl_node.last .tl_title{color:#fff}
.tl_desc{font-size:11px;color:var(--color-text-sub);line-height:1.65}
.tl_node.last .tl_desc{color:rgba(255,255,255,.85)}
.timeline_motto{margin-top:50px;text-align:center;font-size:24px;font-weight:700;color:var(--color-primary-deep);letter-spacing:1.5px}
.timeline_motto span{color:var(--color-orange);font-style:italic}

/* ===== Mission / Letter to parents ===== */
.mission_section{width:100%;background:linear-gradient(135deg,#0c2246,#1a3a6e 50%,#2a5aa8);padding:90px 0;position:relative;overflow:hidden}
.mission_section::before{content:"";position:absolute;top:-150px;left:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(250,100,0,.15),transparent 65%);border-radius:50%}
.mission_section::after{content:"";position:absolute;bottom:-100px;right:-100px;width:380px;height:380px;background:radial-gradient(circle,rgba(255,255,255,.05),transparent 70%);border-radius:50%}
.mission_inner{max-width:1080px;margin:0 auto;padding:0 40px;position:relative;z-index:2}
.mission_kicker{display:inline-block;background:rgba(255,255,255,.12);color:#fbb87e;font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px;margin-bottom:20px;letter-spacing:1px;border:1px solid rgba(250,100,0,.25)}
.mission_h{font-size:36px;font-weight:700;color:#fff;line-height:1.4;margin-bottom:30px;letter-spacing:1px}
.mission_grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.mission_left p{font-size:16px;color:rgba(255,255,255,.85);line-height:1.95;margin-bottom:14px}
.mission_left p strong{color:#fff;font-weight:700}
.mission_promises{background:rgba(255,255,255,.06);border-radius:18px;padding:30px 32px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12)}
.mission_promises_label{font-size:13px;color:#fbb87e;font-weight:700;letter-spacing:2px;margin-bottom:18px}
.mission_promise_item{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:15px;color:rgba(255,255,255,.9);line-height:1.7;display:flex;gap:12px;align-items:flex-start}
.mission_promise_item:last-child{border-bottom:none}
.mission_promise_item::before{content:"";flex-shrink:0;width:6px;height:6px;background:#fa6400;border-radius:50%;margin-top:10px}
.mission_promise_item strong{color:#fff;font-weight:700}
.mission_motto{margin-top:36px;padding:24px 36px;background:linear-gradient(135deg,rgba(250,100,0,.18),rgba(250,100,0,.08));border-radius:14px;border-left:4px solid var(--color-orange);font-size:20px;font-weight:600;color:#fff;letter-spacing:1px;line-height:1.65}
.mission_motto strong{color:#fbb87e}

/* ===== Credentials ===== */
.cred_section{width:100%;background:#fff;padding:90px 0}
.cred_grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:1280px;margin:0 auto}
.cred_card{background:linear-gradient(160deg,#f4f7fd,#fff);border-radius:16px;padding:30px 24px;border:1px solid rgba(42,90,168,.08);text-align:center;transition:all .3s}
.cred_card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(42,90,168,.1);border-color:rgba(42,90,168,.18)}
.cred_icon_box{width:62px;height:62px;background:linear-gradient(135deg,#fff3e8,#ffe5d2);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 16px}
.cred_title{font-size:16px;font-weight:800;color:var(--color-text-h);margin-bottom:8px;letter-spacing:.3px}
.cred_desc{font-size:13px;color:var(--color-text-sub);line-height:1.7}
.cred_desc strong{color:var(--color-primary-deep);font-weight:700}

/* ===== CTA section ===== */
.cta_section{width:100%;background:linear-gradient(180deg,#f8f8f8,#fff);padding:80px 0}
.cta_box{max-width:1100px;margin:0 auto;background:#fff;border-radius:24px;padding:50px 60px;border:1px solid rgba(42,90,168,.1);box-shadow:0 16px 40px rgba(12,34,70,.08);display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;position:relative;overflow:hidden}
.cta_box::before{content:"";position:absolute;top:-80px;right:-80px;width:240px;height:240px;background:radial-gradient(circle,rgba(250,100,0,.08),transparent 70%);border-radius:50%}
.cta_left{position:relative;z-index:2}
.cta_kicker{display:inline-block;background:var(--color-orange-light);color:var(--color-orange-dark);font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px;margin-bottom:14px;letter-spacing:.5px}
.cta_h{font-size:30px;font-weight:800;color:var(--color-primary-deep);line-height:1.4;margin-bottom:12px;letter-spacing:.5px}
.cta_sub{font-size:15px;color:var(--color-text-sub);line-height:1.85;font-weight:400}
.cta_sub strong{color:var(--color-primary-deep);font-weight:700}
.cta_right{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;flex-shrink:0}
.cta_btn{padding:16px 36px;border-radius:30px;font-size:16px;font-weight:700;cursor:pointer;transition:all .25s;letter-spacing:.5px;text-align:center;white-space:nowrap}
.cta_btn_primary{background:linear-gradient(135deg,#fa6400,#EC5F00);color:#fff;box-shadow:0 8px 24px rgba(250,100,0,.4)}
.cta_btn_primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(250,100,0,.5)}
.cta_btn_outline{background:#fff;color:var(--color-primary-deep);border:1.5px solid var(--color-primary-light)}
.cta_btn_outline:hover{border-color:var(--color-primary);background:var(--color-primary-light)}
.cta_contact_strip{margin-top:32px;display:flex;justify-content:center;gap:48px;flex-wrap:wrap;font-size:14px;color:var(--color-text-sub)}
.cta_contact_strip strong{color:var(--color-primary-deep);font-weight:700;margin-right:6px}


/* ===== Floating contact ===== */
.float_btns{position:fixed;right:20px;bottom:80px;z-index:999;display:flex;flex-direction:column;gap:10px}
.float_btn{width:54px;height:54px;background:#fff;border-radius:50%;box-shadow:0 6px 20px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;font-size:24px;cursor:pointer;transition:all .25s}
.float_btn:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.2)}
.float_btn.primary{background:linear-gradient(135deg,#fa6400,#EC5F00);color:#fff}

/* ========================================================
   响应式 Responsive
   断点：
   - ≤1280px  小桌面 / 大平板横屏
   - ≤1024px  平板横屏 / 小笔记本
   - ≤ 900px  平板竖屏（导航折叠）
   - ≤ 768px  大手机 / 小平板
   - ≤ 480px  普通手机
   ======================================================== */

/* —— ≤1280px：略缩，4 列网格保持，但收紧间距 —— */
@media (max-width: 1280px){
    .home_header{padding:0 36px}
    .Navlist{margin-left:30px}
    .Navlist ul{gap:26px}
    .hero h2{font-size:60px;letter-spacing:4px}
    .hero_subtitle{font-size:22px;letter-spacing:6px}
    .sec_h{font-size:32px}
    .timeline_wrap{padding:30px 20px}
    .timeline_wrap::before{left:20px;right:20px}
}

/* —— ≤1024px：平板横屏。多列网格开始降级 —— */
@media (max-width: 1024px){
    .width1400{padding:0 24px}

    /* Header */
    .home_header{padding:0 24px;height:72px}
    .Navlist{margin-left:20px}
    .Navlist ul{gap:18px}
    .Navlist li{font-size:14px;padding:24px 0}
    .Navlist li.active::after{bottom:16px}
    .telphone{font-size:16px}

    /* Hero */
    .hero{min-height:480px;padding:70px 20px}
    .hero h2{font-size:52px;letter-spacing:3px}
    .hero_subtitle{font-size:20px;letter-spacing:5px}
    .hero_intro{font-size:16px;width: 80%;}

    /* Section title */
    .sec_title{margin-bottom:40px}
    .sec_h{font-size:28px}
    .sec_desc{font-size:16px}

    /* Story */
    .story_section{padding:70px 0}
    .story_inner{padding:0 24px}
    .story_quote_top{font-size:19px}
    .story_conclusion{font-size:16px;padding:28px 32px}

    /* Numbers：4 列 → 2 列 */
    .numbers_section{padding:70px 0}
    .numbers_grid{grid-template-columns:repeat(2,1fr);max-width:680px;gap:16px}
    .num_value{font-size:36px}

    /* Differentiators：2 列保持但收紧 */
    .diff_section{padding:70px 0}
    .diff_card{padding:30px 28px}
    .diff_title{font-size:20px}

    /* Global：3 列 → 2 列 */
    .global_section{padding:70px 0}
    .global_layout{grid-template-columns:repeat(2,1fr);max-width:760px}

    /* Timeline：7 列 → 4 列（折行） */
    .timeline_section{padding:70px 0}
    .timeline_wrap{padding:20px 10px}
    .timeline_wrap::before{display:none}
    .timeline_grid{grid-template-columns:repeat(4,1fr);gap:20px 14px}
    .tl_year{font-size:20px;margin-bottom:14px}
    .tl_dot{margin-bottom:18px}
    .timeline_motto{font-size:20px;letter-spacing:1px}

    /* Mission */
    .mission_section{padding:70px 0}
    .mission_inner{padding:0 24px}
    .mission_h{font-size:30px}
    .mission_left p{font-size:15px}
    .mission_motto{font-size:18px;padding:20px 28px}

    /* Credentials：4 列 → 2 列 */
    .cred_section{padding:70px 0}
    .cred_grid{grid-template-columns:repeat(2,1fr);max-width:680px}

    /* CTA */
    .cta_section{padding:60px 0}
    .cta_box{padding:40px 44px;margin:0 24px}
    .cta_h{font-size:26px}

    /* Footer */
    .footer_inner{padding:0 24px}
}

/* —— ≤900px：平板竖屏，导航折叠 —— */
@media (max-width: 900px){
    /* Header：隐藏完整导航，留 logo + 电话 */
    .home_header{padding:0 18px;height:64px;justify-content:space-between}
    .Navlist{display:none}
    .headlogo-mark{width:38px;height:38px;font-size:16px;border-radius:9px}
    .headlogo-text .zh{font-size:16px}
    .headlogo-text .en{font-size:10px}
    .telphone{font-size:14px;gap:6px}
    .telphone::before{font-size:14px}
}

/* —— ≤768px：大手机，全部多列降为 1 列 —— */
@media (max-width: 768px){
    .width1400{padding:0 18px}

    /* Hero */
    .hero{min-height:auto;padding:56px 18px;gap:14px}
    .hero_kicker{font-size:12px;padding:6px 14px;letter-spacing:1px}
    .hero h2{font-size:38px;letter-spacing:2px;margin:10px 0}
    .hero_subtitle{font-size:16px;letter-spacing:3px}
    .hero_intro{font-size:15px;line-height:1.85;margin-top:18px}
    .hero_intro br{display:none}
    .hero_meta{gap:10px;margin-top:22px}
    .hero_meta_item{font-size:12px;padding:8px 14px}

    /* Section title */
    .sec_title{margin-bottom:32px}
    .sec_kicker{font-size:12px;padding:4px 12px}
    .sec_h{font-size:23px;line-height:1.4}
    .sec_desc{font-size:14px}

    /* Story：双列 → 单列 */
    .story_section{padding:56px 0}
    .story_inner{padding:0 18px}
    .story_quote_top{font-size:16px;line-height:1.7;margin-bottom:32px}
    .story_scenes{grid-template-columns:1fr;gap:16px;margin-bottom:24px}
    .scene_card{padding:24px 22px}
    .scene_text{font-size:14px;line-height:1.85}
    .story_conclusion{font-size:15px;padding:24px 22px;line-height:1.8}

    /* Numbers：2 列保持（手机上 2 列读起来仍 OK） */
    .numbers_section{padding:56px 0}
    .numbers_lead p{font-size:15px}
    .numbers_grid{gap:12px}
    .num_card{padding:24px 14px;border-radius:14px}
    .num_value{font-size:30px}
    .num_value .unit{font-size:15px}
    .num_label{font-size:13px}
    .num_note{font-size:11px;line-height:1.5}
    .numbers_summary{font-size:14px;margin-top:32px}

    /* Differentiators：2 列 → 1 列 */
    .diff_section{padding:56px 0}
    .diff_grid{grid-template-columns:1fr;gap:16px}
    .diff_card{padding:26px 22px;border-radius:16px}
    .diff_head{gap:14px;margin-bottom:14px}
    .diff_idx{width:46px;height:46px;font-size:18px;border-radius:12px}
    .diff_title{font-size:18px}
    .diff_subtitle{font-size:13px}
    .diff_desc{font-size:14px;line-height:1.8}
    .diff_data{font-size:12px;padding:7px 14px}

    /* Global：2 列 → 1 列 */
    .global_section{padding:56px 0}
    .global_intro p{font-size:15px}
    .global_layout{grid-template-columns:1fr;gap:14px;max-width:480px}
    .center_card{padding:24px 22px}
    .center_flag{font-size:32px}
    .center_city{font-size:20px}
    .center_country{font-size:10px}
    .country_strip{padding:18px 20px;gap:10px;}
    .country_strip_label{border-right:none;border-bottom:1px solid var(--color-border);padding:0 0 8px 0;width:100%;justify-content:center;text-align:center}

    /* Timeline：4 列 → 2 列 */
    .timeline_section{padding:56px 0}
    .timeline_grid{grid-template-columns:repeat(2,1fr);gap:18px 12px}
    .tl_card{padding:14px 12px;min-height:auto}
    .tl_title{font-size:13px}
    .tl_desc{font-size:11px}
    .timeline_motto{font-size:17px;letter-spacing:.5px;margin-top:36px;padding:0 20px;line-height:1.6}

    /* Mission：双列 → 单列 */
    .mission_section{padding:56px 0}
    .mission_inner{padding:0 18px}
    .mission_h{font-size:23px;line-height:1.45;margin-bottom:24px}
    .mission_grid{grid-template-columns:1fr;gap:22px}
    .mission_left p{font-size:14px;line-height:1.85}
    .mission_promises{padding:24px 22px}
    .mission_promise_item{font-size:14px;padding:12px 0}
    .mission_motto{font-size:16px;padding:18px 22px;letter-spacing:.5px;line-height:1.7;margin-top:28px}

    /* Credentials：2 列 → 1 列 */
    .cred_section{padding:56px 0}
    .cred_grid{grid-template-columns:1fr;gap:14px;max-width:420px}
    .cred_card{padding:24px 22px}
    .cred_icon_box{width:54px;height:54px;font-size:24px;margin-bottom:12px}
    .cred_title{font-size:15px}
    .cred_desc{font-size:13px}

    /* CTA：横排 → 竖排 */
    .cta_section{padding:48px 0}
    .cta_box{grid-template-columns:1fr;gap:24px;padding:32px 26px;margin:0 18px;border-radius:18px}
    .cta_h{font-size:22px;line-height:1.45}
    .cta_sub{font-size:14px}
    .cta_right{flex-direction:column}
    .cta_btn{padding:14px 0;font-size:15px;width:100%}
    .cta_contact_strip{flex-direction:column;gap:10px;font-size:13px;text-align:center;margin-top:24px;padding:0 18px}

    /* Footer */
    .footer{padding:40px 0 26px}
    .footer_inner{padding:0 20px}
    .footer_motto .brand{font-size:22px;letter-spacing:2px}
    .footer_motto .slogan{font-size:14px;letter-spacing:3px}
    .footer_motto .tail{font-size:11px;letter-spacing:1px}
    .footer_centers{font-size:12px;letter-spacing:.5px;line-height:1.7}
    .footer_links{flex-wrap:wrap;gap:14px 18px;font-size:12px}
    .footer_copy{font-size:11px;line-height:1.6}

    /* Floating btn 缩小 */
    .float_btns{right:14px;bottom:60px;gap:8px}
    .float_btn{width:46px;height:46px;font-size:20px}
}

/* —— ≤480px：普通手机，进一步收紧 —— */
@media (max-width: 480px){
    .home_header{padding:0 14px;height:58px}
    .headlogo-block{gap:8px}
    .headlogo-mark{width:34px;height:34px;font-size:14px}
    .headlogo-text .zh{font-size:15px;letter-spacing:.5px}
    .headlogo-text .en{font-size:9px}
    .telphone{font-size:13px}

    .hero{padding:44px 0}
    .hero h2{font-size:30px;letter-spacing:1px}
    .hero_subtitle{font-size:14px;letter-spacing:2px}
    .hero_intro{font-size:14px}
    .hero_meta_item{font-size:11px;padding:7px 12px}

    .sec_h{font-size:20px}
    .sec_desc{font-size:13px}

    /* Numbers 在超窄屏可改单列，避免数字挤压 */
    .numbers_grid{grid-template-columns:1fr;max-width:340px}
    .num_card{padding:22px 16px}
    .num_value{font-size:32px}

    .scene_card{padding:20px 18px}
    .scene_time{font-size:13px}
    .scene_text{font-size:13.5px}

    .diff_card{padding:22px 18px}
    .diff_title{font-size:17px}
    .diff_desc{font-size:13.5px}

    .center_card{padding:22px 18px}

    /* Timeline 极窄屏：2 列 → 1 列 */
    .timeline_grid{grid-template-columns:1fr;gap:16px}
    .tl_dot{margin-bottom:14px;width:14px;height:14px}

    .mission_h{font-size:20px}
    .mission_promises{padding:22px 18px}
    .mission_motto{font-size:15px;padding:16px 18px}

    .cta_box{padding:28px 22px}
    .cta_h{font-size:20px}

    .footer_links{gap:10px 14px}
}

/* —— 横屏小手机的 hero 高度补丁 —— */
@media (max-height: 480px) and (orientation: landscape){
    .hero{min-height:auto;padding:40px 18px}
}