/* 囧次元 jocyappzb · 液态玻璃 + 底部大弧形光弧 + 流体光斑 + 双卡牌错位悬浮 + 3D倾斜优势 + 辐射下载 + SVG曲线流程 + 加减号FAQ；无紫色 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: #f1f5f9;
    background: #0a0a16;
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ol, ul { list-style: none; }
button { font-family: inherit; }
.qzwn { width: 1200px; max-width: calc(100% - 40px); margin: 0 auto; }

/* 模块标题：居中 + 双弧线装饰 */
.btmn {
    text-align: center;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 2px;
    color: #f1f5f9;
    margin-bottom: 50px;
    position: relative;
}
.btmn::before, .btmn::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 80px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, transparent, #f97316);
    transform: translateY(-50%);
}
.btmn::before { right: calc(50% + 90px); background: linear-gradient(90deg, transparent, #f97316); }
.btmn::after { left: calc(50% + 90px); background: linear-gradient(90deg, #f97316, transparent); }

/* 模块间弧形分隔线 */
.arcd {
    display: block;
    width: 120px;
    height: 6px;
    margin: 0 auto;
    border-radius: 6px;
    background: linear-gradient(90deg, #f97316, #f59e0b, #ea580c);
    box-shadow: 0 0 18px rgba(249, 115, 22, .6);
}

/* ===== 头部 sticky + blur ===== */
.hbzk {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 22, .82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(249, 115, 22, .16);
    transition: box-shadow .3s, background .3s;
}
.hbzk.sdow { box-shadow: 0 18px 44px -22px rgba(249, 115, 22, .55); background: rgba(10, 10, 22, .96); }
.nqkx { display: flex; align-items: center; height: 76px; position: relative; }
.lgox { display: inline-flex; align-items: center; gap: 11px; font-size: 21px; font-weight: 900; letter-spacing: 1px; color: #f1f5f9; }
.lgox img { width: 42px; height: 42px; border-radius: 12px; box-shadow: 0 0 0 1px rgba(249, 115, 22, .35), 0 8px 18px -8px rgba(249, 115, 22, .6); }
.rtxq {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fcd34d;
    background: rgba(245, 158, 11, .1);
    border: 1px solid rgba(245, 158, 11, .35);
    border-radius: 999px;
    padding: 3px 11px;
    margin-left: 4px;
}
.nvbd { display: flex; gap: 4px; margin-left: 36px; }
.nvbd a {
    font-size: 15px;
    font-weight: 600;
    color: rgba(203, 213, 225, .72);
    padding: 8px 15px;
    border-radius: 999px;
    transition: color .22s, background .22s;
}
.nvbd a:hover { color: #f1f5f9; background: rgba(249, 115, 22, .16); }
.nqkx .rhgp { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.rhkb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    padding: 11px 26px;
    border-radius: 999px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    box-shadow: 0 12px 28px -10px rgba(234, 88, 12, .6), 0 0 24px -8px rgba(249, 115, 22, .7);
    transition: transform .2s, box-shadow .2s;
}
.rhkb:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(234, 88, 12, .7), 0 0 30px -6px rgba(249, 115, 22, .8); }
.wkqm {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(249, 115, 22, .45);
    background: rgba(249, 115, 22, .14);
    color: #fdba74;
    font-size: 21px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
.pznv {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    background: #131326;
    border-top: 1px solid rgba(249, 115, 22, .22);
    border-bottom: 1px solid rgba(249, 115, 22, .22);
    padding: 8px 5%;
    box-shadow: 0 26px 40px -24px rgba(0, 0, 0, .8);
}
.pznv.open { display: flex; }
.pznv a {
    padding: 13px 8px;
    font-size: 15.5px;
    font-weight: 700;
    color: rgba(203, 213, 225, .82);
    border-bottom: 1px solid rgba(249, 115, 22, .14);
}
.pznv a:last-child { border-bottom: none; color: #fdba74; font-weight: 800; }

/* ===== Hero：底部大弧形光弧 + 流体光斑 + 双卡牌错位悬浮 ===== */
.hero {
    position: relative;
    overflow: hidden;
    padding: 100px 0 110px;
    background:
        radial-gradient(640px 360px at 72% 26%, rgba(249, 115, 22, .14), transparent 65%),
        #0a0a16;
}
/* 底部大弧形光弧 */
.hugw {
    position: absolute;
    bottom: -240px;
    left: 50%;
    transform: translateX(-50%);
    width: 1600px;
    height: 480px;
    border-radius: 50%;
    border: 6px solid rgba(249, 115, 22, .35);
    box-shadow: 0 0 80px rgba(249, 115, 22, .35), inset 0 0 80px rgba(249, 115, 22, .15);
    pointer-events: none;
    animation: hgar 18s ease-in-out infinite alternate;
}
.hugw::before {
    content: "";
    position: absolute;
    inset: 30px;
    border-radius: 50%;
    border: 4px solid rgba(245, 158, 11, .22);
}
.hugw::after {
    content: "";
    position: absolute;
    inset: 80px;
    border-radius: 50%;
    border: 3px solid rgba(234, 88, 12, .18);
}
@keyframes hgar {
    0% { transform: translateX(-50%) scale(1); opacity: .85; }
    100% { transform: translateX(-50%) scale(1.08); opacity: 1; }
}
/* 流体光斑（不规则圆角 + 模糊） */
.ltgw {
    position: absolute;
    border-radius: 42% 58% 62% 38% / 48% 36% 64% 52%;
    filter: blur(70px);
    pointer-events: none;
    animation: ltmr 22s ease-in-out infinite alternate;
}
.ltgw.za { width: 320px; height: 320px; top: -60px; left: -80px; background: rgba(245, 158, 11, .18); border-radius: 58% 42% 38% 62% / 52% 64% 36% 48%; animation-duration: 26s; }
.ltgw.zb { width: 260px; height: 260px; bottom: -40px; right: 4%; background: rgba(249, 115, 22, .16); border-radius: 42% 58% 62% 38% / 48% 36% 64% 52%; animation-duration: 30s; animation-direction: reverse; }
.ltgw.zc { width: 180px; height: 180px; top: 44%; left: 8%; background: rgba(234, 88, 12, .14); border-radius: 60% 40% 50% 50% / 40% 60% 40% 60%; animation-duration: 24s; }
@keyframes ltmr {
    0% { border-radius: 42% 58% 62% 38% / 48% 36% 64% 52%; transform: translate(0, 0) rotate(0); }
    100% { border-radius: 58% 42% 38% 62% / 52% 64% 36% 48%; transform: translate(20px, -16px) rotate(20deg); }
}
/* 顶部品牌徽章悬浮 */
.ppbw {
    position: absolute;
    top: 20%;
    right: 10%;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fcd34d;
    background: rgba(245, 158, 11, .08);
    border: 1px solid rgba(245, 158, 11, .4);
    padding: 7px 16px;
    border-radius: 999px;
    pointer-events: none;
    animation: ppfw 5s ease-in-out infinite alternate;
}
.ppbw i { color: #f59e0b; font-size: 14px; }
@keyframes ppfw {
    0% { transform: translateY(0); }
    100% { transform: translateY(-10px); }
}

.hero .qzwn { position: relative; z-index: 2; display: flex; align-items: center; gap: 56px; }
.wzbx { flex: 1.1; min-width: 0; }
.rtqn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fcd34d;
    background: rgba(245, 158, 11, .08);
    border: 1px solid rgba(245, 158, 11, .4);
    padding: 9px 20px;
    border-radius: 999px;
    margin-bottom: 26px;
}
.rtqn i { color: #f59e0b; font-size: 15px; }
h1 {
    font-size: 56px;
    line-height: 1.22;
    font-weight: 900;
    letter-spacing: 2px;
    color: #f1f5f9;
}
h1 em {
    font-style: normal;
    display: block;
    margin-top: 8px;
    background: linear-gradient(100deg, #fb923c, #ea580c 55%, #fdba74);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    text-shadow: 0 0 50px rgba(249, 115, 22, .35);
}
.mpxz { margin: 26px 0 34px; max-width: 540px; font-size: 16px; color: #94a3b8; }
.vtgp { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.zvkb {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 18px;
    font-weight: 900;
    color: #fff;
    padding: 16px 38px;
    border-radius: 999px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    box-shadow: 0 18px 40px -12px rgba(234, 88, 12, .6), 0 0 40px -10px rgba(249, 115, 22, .8), inset 0 1px 0 rgba(255, 255, 255, .3);
    transition: transform .2s, box-shadow .2s;
}
.zvkb:hover { transform: translateY(-3px); box-shadow: 0 24px 50px -12px rgba(234, 88, 12, .7), 0 0 52px -8px rgba(249, 115, 22, .9), inset 0 1px 0 rgba(255, 255, 255, .3); }
.nkzs {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 15.5px;
    font-weight: 700;
    color: #cbd5e1;
    border: 1.5px solid rgba(203, 213, 225, .3);
    padding: 14px 28px;
    border-radius: 999px;
    transition: border-color .2s, color .2s;
}
.nkzs:hover { border-color: rgba(245, 158, 11, .6); color: #fcd34d; }
.rhpx { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.rhpx li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13.5px;
    font-weight: 600;
    color: #cbd5e1;
    background: rgba(249, 115, 22, .08);
    border: 1px solid rgba(249, 115, 22, .22);
    border-radius: 999px;
    padding: 9px 17px;
}
.rhpx i { color: #f59e0b; font-size: 15px; }

/* 右侧样机：双卡牌错位悬浮 + 前面3个功能小按钮 */
.qmkz { flex: .92; position: relative; display: flex; justify-content: center; align-items: center; padding: 30px 0; min-height: 540px; }
/* 副卡片：旋转-12°，60%尺寸，错位 */
.kpfu {
    position: absolute;
    z-index: 1;
    right: 14%;
    top: 50%;
    width: 200px;
    height: 320px;
    border-radius: 32px;
    overflow: hidden;
    transform: translateY(-50%) rotate(-12deg) translateX(28px);
    border: 2px solid rgba(249, 115, 22, .42);
    box-shadow: 0 36px 70px -28px rgba(0, 0, 0, .85), 0 0 50px -14px rgba(249, 115, 22, .45);
    opacity: .88;
    transition: transform .4s ease;
}
.kpfu img { width: 100%; height: 100%; object-fit: cover; }
.kpfu::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(249, 115, 22, .12), transparent 60%);
    pointer-events: none;
}
/* 主卡片：直立，大尺寸 */
.kpwz {
    position: relative;
    z-index: 2;
    width: 280px;
    height: 440px;
    border-radius: 40px;
    overflow: hidden;
    border: 3px solid rgba(249, 115, 22, .5);
    box-shadow:
        0 60px 100px -36px rgba(0, 0, 0, .92),
        0 0 80px -16px rgba(249, 115, 22, .6),
        inset 0 0 60px -16px rgba(249, 115, 22, .18),
        inset 0 2px 0 rgba(255, 255, 255, .08);
    transition: transform .4s ease;
}
.kpwz:hover { transform: translateY(-6px); }
.kpwz img { width: 100%; height: 100%; object-fit: cover; }
.kpwz::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10, 10, 22, .7));
    pointer-events: none;
}
/* 主卡片顶部 Dynamic Island */
.kpwz::before {
    content: "";
    position: absolute;
    z-index: 3;
    left: 50%;
    top: 14px;
    transform: translateX(-50%);
    width: 90px;
    height: 22px;
    border-radius: 999px;
    background: #0a0a16;
    box-shadow: 0 0 0 1px rgba(249, 115, 22, .35);
}
/* 主卡片底部功能条 */
.kpft {
    position: absolute;
    z-index: 3;
    left: 16px;
    right: 16px;
    bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 18px;
    background: rgba(10, 10, 22, .82);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(249, 115, 22, .3);
}
.kpft span {
    flex: 1;
    text-align: center;
    font-size: 11px;
    font-weight: 700;
    color: #fcd34d;
}
.kpft i { color: #f59e0b; font-size: 14px; }
.kpft .kpsh { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, #f97316, #ea580c); display: inline-flex; align-items: center; justify-content: center; }
.kpft .kpsh i { color: #fff; font-size: 13px; }
/* 前面3个功能小按钮 */
.fbtu {
    position: absolute;
    z-index: 3;
    left: 6%;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.fbtu .fbx {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(19, 19, 38, .88);
    border: 1.5px solid rgba(249, 115, 22, .42);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fdba74;
    font-size: 22px;
    box-shadow: 0 16px 30px -14px rgba(0, 0, 0, .8), 0 0 30px -12px rgba(249, 115, 22, .55);
    backdrop-filter: blur(10px);
    animation: fbft 4s ease-in-out infinite alternate;
}
.fbtu .fbx:nth-child(2) { animation-duration: 5s; animation-delay: -1s; }
.fbtu .fbx:nth-child(3) { animation-duration: 6s; animation-delay: -2s; }
@keyframes fbft {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

/* ===== 产品展示：圆角大卡片 + 顶部彩色丝带 ===== */
.cpzs { padding: 80px 0; background: #0d0d1a; position: relative; }
.cpzs::before, .cpzs::after { content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%; filter: blur(80px); pointer-events: none; }
.cpzs::before { top: 40px; left: -40px; background: rgba(245, 158, 11, .08); }
.cpzs::after { bottom: 40px; right: -40px; background: rgba(249, 115, 22, .08); }
.cpdx {
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    background: linear-gradient(155deg, rgba(26, 31, 46, .92), rgba(19, 19, 38, .94));
    border: 1px solid rgba(249, 115, 22, .22);
    box-shadow: 0 24px 50px -28px rgba(0, 0, 0, .85);
    transition: transform .35s, box-shadow .35s;
}
.cpdx:hover { transform: translateY(-6px); box-shadow: 0 32px 60px -28px rgba(0, 0, 0, .9), 0 0 40px -14px rgba(249, 115, 22, .35); }
.cpdx .cpim { position: relative; aspect-ratio: 3 / 4; overflow: hidden; }
.cpdx .cpim img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.cpdx:hover .cpim img { transform: scale(1.06); }
.cpdx .cpim::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 22, .85));
    pointer-events: none;
}
/* 顶部彩色丝带 */
.bdmn {
    position: absolute;
    z-index: 3;
    top: 14px;
    left: 14px;
    padding: 6px 16px 6px 12px;
    border-radius: 4px 14px 14px 4px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    box-shadow: 0 8px 16px -6px rgba(0, 0, 0, .5);
}
.bdmn::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 0;
    bottom: 0;
    width: 8px;
    background: inherit;
    clip-path: polygon(0 50%, 100% 0, 100% 100%);
    filter: brightness(.7);
}
.bdmn::after {
    content: "";
    position: absolute;
    left: -6px;
    top: 100%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .55);
}
.cpdx:nth-child(1) .bdmn { background: linear-gradient(90deg, #f97316, #ea580c); }
.cpdx:nth-child(2) .bdmn { background: linear-gradient(90deg, #f59e0b, #f97316); }
.cpdx:nth-child(3) .bdmn { background: linear-gradient(90deg, #ea580c, #f59e0b); }
.cpdx:nth-child(4) .bdmn { background: linear-gradient(90deg, #fcd34d, #f59e0b); }
/* 标题浮于遮罩 */
.xbmb {
    position: absolute;
    z-index: 3;
    left: 16px;
    right: 16px;
    bottom: 14px;
}
.xbmb b { display: block; font-size: 17px; font-weight: 800; color: #f1f5f9; margin-bottom: 4px; }
.xbmb span { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; color: #fcd34d; }
.xbmb i { font-size: 13px; }

.zpxt { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ===== 优势亮点：3D倾斜卡 + 顶部渐变图标 + 底部说明 ===== */
.ysld { padding: 80px 0; background: #0a0a16; position: relative; overflow: hidden; }
.ysld::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(500px 280px at 22% 16%, rgba(249, 115, 22, .1), transparent 60%),
        radial-gradient(500px 280px at 78% 84%, rgba(245, 158, 11, .08), transparent 60%);
    pointer-events: none;
}
.yhlq { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ysdx {
    position: relative;
    padding: 32px 26px 26px;
    border-radius: 26px;
    background: linear-gradient(155deg, rgba(26, 31, 46, .92), rgba(19, 19, 38, .94));
    border: 1px solid rgba(249, 115, 22, .22);
    box-shadow: 0 22px 44px -28px rgba(0, 0, 0, .8);
    transform: perspective(900px) rotateY(0);
    transition: transform .35s, box-shadow .35s, border-color .35s;
    overflow: hidden;
}
.ysdx::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f97316, #f59e0b, #ea580c);
    opacity: .8;
}
.ysdx:hover {
    transform: perspective(900px) rotateY(-6deg) translateY(-6px);
    box-shadow: 0 32px 60px -28px rgba(0, 0, 0, .88), 0 0 40px -14px rgba(249, 115, 22, .35);
    border-color: rgba(249, 115, 22, .5);
}
.ysdx:nth-child(2):hover { transform: perspective(900px) rotateY(6deg) translateY(-6px); }
.ysdx:nth-child(4):hover { transform: perspective(900px) rotateY(6deg) translateY(-6px); }
.ysdx:nth-child(6):hover { transform: perspective(900px) rotateY(6deg) translateY(-6px); }
.icbd {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    background: linear-gradient(135deg, rgba(249, 115, 22, .2), rgba(234, 88, 12, .12));
    color: #fdba74;
    border: 1px solid rgba(249, 115, 22, .35);
    box-shadow: 0 12px 28px -14px rgba(249, 115, 22, .55), inset 0 0 30px -10px rgba(249, 115, 22, .25);
    margin-bottom: 18px;
}
.btys { font-size: 19px; font-weight: 800; color: #f1f5f9; margin-bottom: 8px; }
.deys { font-size: 14px; color: #94a3b8; line-height: 1.7; }

/* ===== 下载中心：辐射下载按钮 ===== */
.xzzx { padding: 80px 0; background: #0d0d1a; position: relative; }
.xzrh { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.xzdx {
    position: relative;
    padding: 32px 24px 24px;
    border-radius: 24px;
    background: linear-gradient(155deg, rgba(26, 31, 46, .9), rgba(19, 19, 38, .92));
    border: 1px solid rgba(249, 115, 22, .22);
    box-shadow: 0 22px 44px -28px rgba(0, 0, 0, .8);
    transition: transform .35s, box-shadow .35s, border-color .35s;
    overflow: hidden;
    text-align: center;
}
.xzdx:hover { transform: translateY(-6px); border-color: rgba(249, 115, 22, .5); box-shadow: 0 32px 60px -28px rgba(0, 0, 0, .9), 0 0 40px -14px rgba(249, 115, 22, .35); }
/* 中央大号圆形渐变下载按钮 + 辐射线 */
.yjbd {
    position: relative;
    width: 88px;
    height: 88px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 38px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    box-shadow: 0 18px 34px -12px rgba(234, 88, 12, .6), 0 0 40px -10px rgba(249, 115, 22, .7), inset 0 1px 0 rgba(255, 255, 255, .3);
    transition: transform .25s, box-shadow .25s;
}
.xzdx:hover .yjbd { transform: scale(1.08); }
.yjbd::before, .yjbd::after {
    content: "";
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 1.5px dashed rgba(249, 115, 22, .35);
    animation: ysrt 14s linear infinite;
}
.yjbd::after { inset: -22px; border-color: rgba(245, 158, 11, .22); animation-duration: 22s; animation-direction: reverse; }
@keyframes ysrt {
    0% { transform: rotate(0); }
    100% { transform: rotate(360deg); }
}
.ptmc { font-size: 18px; font-weight: 800; color: #f1f5f9; margin-bottom: 6px; }
.xzdx p { font-size: 13.5px; color: #94a3b8; margin-bottom: 16px; }
.jnts {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: #fcd34d;
    background: rgba(245, 158, 11, .1);
    border: 1px solid rgba(245, 158, 11, .35);
    padding: 5px 14px;
    border-radius: 999px;
}
.jnts i { font-size: 12px; }

/* ===== 使用流程：横向4步 + SVG曲线连线 ===== */
.sylc { padding: 80px 0; background: #0a0a16; position: relative; }
.lcrh {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
/* SVG 弯曲连线（绝对定位，居于卡片顶部之间） */
.ljxb {
    position: absolute;
    top: 36px;
    left: 12.5%;
    right: 12.5%;
    height: 4px;
    pointer-events: none;
    z-index: 0;
}
.ljxb svg { width: 100%; height: 100%; overflow: visible; }
.ljxb path {
    fill: none;
    stroke: rgba(249, 115, 22, .45);
    stroke-width: 2;
    stroke-dasharray: 6 6;
}
.bzkx {
    position: relative;
    z-index: 2;
    padding: 64px 22px 24px;
    border-radius: 22px;
    background: linear-gradient(155deg, rgba(26, 31, 46, .9), rgba(19, 19, 38, .92));
    border: 1px solid rgba(249, 115, 22, .22);
    box-shadow: 0 22px 44px -28px rgba(0, 0, 0, .8);
    text-align: center;
    transition: transform .35s, box-shadow .35s;
}
.bzkx:hover { transform: translateY(-6px); box-shadow: 0 32px 60px -28px rgba(0, 0, 0, .9), 0 0 40px -14px rgba(249, 115, 22, .35); }
.szzs {
    position: absolute;
    top: -32px;
    left: 50%;
    transform: translateX(-50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 900;
    color: #fff;
    background: linear-gradient(135deg, #f97316, #ea580c);
    border: 4px solid #0a0a16;
    box-shadow: 0 14px 30px -10px rgba(234, 88, 12, .6), 0 0 30px -8px rgba(249, 115, 22, .65);
}
.bzkx:nth-child(2) .szzs { background: linear-gradient(135deg, #f59e0b, #f97316); }
.bzkx:nth-child(3) .szzs { background: linear-gradient(135deg, #ea580c, #f59e0b); }
.bzkx:nth-child(4) .szzs { background: linear-gradient(135deg, #fcd34d, #f59e0b); }
.btbz { font-size: 17px; font-weight: 800; color: #f1f5f9; margin-bottom: 6px; }
.mcbz { font-size: 13.5px; color: #94a3b8; line-height: 1.7; }

/* ===== 常见问题：左+号右-号 ===== */
.cjwt { padding: 80px 0; background: #0d0d1a; }
.faqx { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.fqdx {
    border-radius: 18px;
    background: linear-gradient(155deg, rgba(26, 31, 46, .92), rgba(19, 19, 38, .94));
    border: 1px solid rgba(249, 115, 22, .22);
    overflow: hidden;
    transition: border-color .25s, box-shadow .25s, background .25s;
}
.fqdx.open { border-color: rgba(249, 115, 22, .55); box-shadow: 0 18px 36px -22px rgba(249, 115, 22, .5); background: linear-gradient(155deg, rgba(26, 31, 46, .96), rgba(19, 19, 38, .98)); }
.wtms {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 16px;
    font-weight: 700;
    color: #f1f5f9;
    font-family: inherit;
}
.wtms i.qlic { color: #f59e0b; font-size: 22px; flex-shrink: 0; }
.wtms span { flex: 1; }
.jhao {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1.5px solid rgba(249, 115, 22, .45);
    color: #fdba74;
    font-size: 22px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform .3s, background .3s, color .3s;
}
.fqdx .jhao::before { content: "+"; }
.fqdx.open .jhao { background: linear-gradient(135deg, #f97316, #ea580c); color: #fff; border-color: transparent; }
.fqdx.open .jhao::before { content: "−"; }
.daan {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    padding: 0 24px;
    font-size: 14.5px;
    color: #94a3b8;
    line-height: 1.85;
}
.fqdx.open .daan { max-height: 220px; padding-bottom: 22px; }

/* ===== 产品资讯 ===== */
.cpxz { padding: 80px 0; background: #0a0a16; }
.zxrh { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.zxdx {
    border-radius: 22px;
    overflow: hidden;
    background: linear-gradient(155deg, rgba(26, 31, 46, .92), rgba(19, 19, 38, .94));
    border: 1px solid rgba(249, 115, 22, .22);
    box-shadow: 0 22px 44px -28px rgba(0, 0, 0, .8);
    transition: transform .35s, box-shadow .35s, border-color .35s;
}
.zxdx:hover { transform: translateY(-6px); border-color: rgba(249, 115, 22, .5); box-shadow: 0 32px 60px -28px rgba(0, 0, 0, .9), 0 0 40px -14px rgba(249, 115, 22, .35); }
.zxtd { display: flex; gap: 18px; padding: 16px; }
.zxim { width: 200px; flex-shrink: 0; aspect-ratio: 16 / 10; border-radius: 14px; overflow: hidden; position: relative; }
.zxim img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.zxdx:hover .zxim img { transform: scale(1.06); }
.zxtm { flex: 1; min-width: 0; padding: 6px 6px 6px 0; display: flex; flex-direction: column; }
.rqjn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: #fcd34d;
    background: rgba(245, 158, 11, .1);
    border: 1px solid rgba(245, 158, 11, .35);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 10px;
    align-self: flex-start;
}
.rqjn i { font-size: 13px; }
.btzx { font-size: 16px; font-weight: 800; color: #f1f5f9; margin-bottom: 8px; line-height: 1.5; }
.zyzx { font-size: 13.5px; color: #94a3b8; line-height: 1.7; flex: 1; }

/* ===== 用户评价 ===== */
.yhpj { padding: 80px 0; background: #0d0d1a; }
.pjrh { columns: 3; column-gap: 20px; }
.pjdx {
    break-inside: avoid;
    margin-bottom: 20px;
    padding: 22px 22px 18px;
    border-radius: 20px;
    background: linear-gradient(155deg, rgba(26, 31, 46, .92), rgba(19, 19, 38, .94));
    border: 1px solid rgba(249, 115, 22, .22);
    box-shadow: 0 18px 36px -24px rgba(0, 0, 0, .85);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}
.pjdx:hover { transform: translateY(-4px); border-color: rgba(249, 115, 22, .5); box-shadow: 0 26px 46px -24px rgba(0, 0, 0, .9), 0 0 36px -14px rgba(249, 115, 22, .35); }
.pjrh .pjdx .txnr { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.txxd {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #f97316, #ea580c);
    border: 2px solid rgba(249, 115, 22, .5);
    box-shadow: 0 8px 18px -10px rgba(234, 88, 12, .6);
    flex-shrink: 0;
}
.mzpj { font-size: 14.5px; font-weight: 800; color: #f1f5f9; }
.pjnx { font-size: 14px; color: #cbd5e1; line-height: 1.85; margin-bottom: 12px; }
.wxsx { display: flex; align-items: center; gap: 1px; color: #f59e0b; font-size: 14px; }
.sjjn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: #94a3b8;
    margin-left: auto;
    border: 1px solid rgba(249, 115, 22, .3);
    background: rgba(249, 115, 22, .08);
    padding: 3px 10px;
    border-radius: 999px;
}
.pjrh .pjdx .pjft { display: flex; align-items: center; gap: 10px; }

/* ===== 页脚 ===== */
.ftbd { padding: 56px 0 32px; background: #070710; border-top: 1px solid rgba(249, 115, 22, .22); }
.fthd { display: flex; align-items: center; gap: 36px; margin-bottom: 32px; flex-wrap: wrap; }
.fthd .lgox { font-size: 22px; }
.ftnv { display: flex; gap: 6px; flex-wrap: wrap; }
.ftnv a { font-size: 14.5px; font-weight: 600; color: rgba(203, 213, 225, .72); padding: 6px 14px; border-radius: 999px; transition: color .22s, background .22s; }
.ftnv a:hover { color: #f1f5f9; background: rgba(249, 115, 22, .16); }
.fthd .rhkb { margin-left: auto; }
.ftcp { text-align: center; font-size: 13px; color: rgba(148, 163, 184, .6); padding-top: 24px; border-top: 1px solid rgba(249, 115, 22, .14); }

/* ===== 响应式 767px ===== */
@media (max-width: 767px) {
    .qzwn { width: calc(100% - 30px); }
    .nvbd, .rhgp .rhkb { display: none; }
    .wkqm { display: inline-flex; }
    .hero { padding: 60px 0 80px; }
    .hero .qzwn { flex-direction: column; gap: 36px; }
    .wzbx { text-align: center; }
    .vtgp { justify-content: center; }
    .rhpx { justify-content: center; }
    h1 { font-size: 38px; }
    .mpxz { margin: 20px auto 28px; }
    .qmkz { min-height: 460px; padding: 10px 0; }
    .kpwz { width: 220px; height: 360px; }
    .kpfu { width: 160px; height: 250px; right: 8%; }
    .fbtu { left: 2%; }
    .fbtu .fbx { width: 44px; height: 44px; font-size: 19px; }
    .ppbw { right: 4%; top: 12%; }
    .zpxt {
        display: flex;
        gap: 14px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 12px;
        margin: 0 -15px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .zpxt::-webkit-scrollbar { display: none; }
    .cpdx { flex: 0 0 75%; scroll-snap-align: start; }
    .yhlq { grid-template-columns: 1fr; }
    .xzrh { grid-template-columns: 1fr; }
    .lcrh { grid-template-columns: 1fr; gap: 36px; }
    .ljxb { display: none; }
    .bzkx { padding: 56px 20px 22px; }
    .zxrh { grid-template-columns: 1fr; }
    .zxtd { flex-direction: column; gap: 14px; }
    .zxim { width: 100%; }
    .pjrh { columns: 1; }
    .btmn { font-size: 26px; }
    .btmn::before, .btmn::after { width: 40px; }
    .btmn::before { right: calc(50% + 64px); }
    .btmn::after { left: calc(50% + 64px); }
    .fthd { gap: 18px; }
    .fthd .rhkb { margin-left: 0; }
}