/* 荐片ios jpios · Apple Keynote 发布会风（四站同包第四材质：苹果白+超大黑字+图集薄荷绿/logo红蓝多彩点缀+iOS设置列表） */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "SF Pro SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: #1d1d1f;
    background: #fbfbfd;
    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; }
.kw8r { width: 1200px; margin: 0 auto; }
.tt2v { font-size: 18px; font-weight: 800; color: #1d1d1f; }
.ds8k { font-size: 14.5px; color: #6e6e73; }
.lk3e { color: #0a84ff; font-weight: 700; }
.lk3e:hover { text-decoration: underline; }

/* ===== 头部：苹果玻璃条 ===== */
.hd4q { position: fixed; top: 0; left: 0; right: 0; z-index: 90; transition: background .3s, box-shadow .3s, backdrop-filter .3s; }
.hd4q.on {
    background: rgba(251,251,253,.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,.08);
}
.hd-l { display: flex; align-items: center; height: 64px; }
.lg3v img { width: 40px; height: 40px; object-fit: contain; border-radius: 10px; }
.nv8r { display: flex; gap: 30px; margin-left: 48px; }
.nv8r a { font-size: 13.5px; font-weight: 500; color: rgba(29,29,31,.72); padding: 6px 2px; transition: color .2s; }
.nv8r a:hover { color: #1d1d1f; }
.hd-act { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.bt6m {
    background: #0a84ff; color: #fff; font-weight: 700; font-size: 13.5px;
    padding: 9px 20px; border-radius: 999px;
    box-shadow: 0 6px 16px -6px rgba(10,132,255,.5);
    transition: background .2s, transform .18s;
}
.bt6m:hover { background: #0071e3; transform: translateY(-1px); }
.hg2k { display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid rgba(0,0,0,.1); background: rgba(255,255,255,.8); color: #1d1d1f; font-size: 19px; cursor: pointer; }
.mn7x { display: none; }

/* ===== Hero：Keynote 大字报 ===== */
.ky5f { position: relative; overflow: hidden; padding: 158px 0 110px; background: linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%); }
.ky-l { display: flex; align-items: center; gap: 56px; position: relative; z-index: 2; width: 1200px; margin: 0 auto; }
.tx-l { flex: 1.05; min-width: 0; }
.bd1x {
    display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: 2px;
    background: linear-gradient(120deg, #30b573, #18b6f2);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    margin-bottom: 20px;
}
h1 { font-size: 62px; line-height: 1.18; font-weight: 900; letter-spacing: 1px; color: #1d1d1f; }
h1 em {
    font-style: normal; display: inline-block; margin: 10px 0 2px;
    background: linear-gradient(115deg, #f2352f 8%, #30b573 55%, #18b6f2 95%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ds2m { margin: 26px 0 32px; font-size: 16.5px; color: #6e6e73; max-width: 560px; }
.bw3p { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.go4n {
    display: inline-flex; align-items: center; gap: 9px;
    font-size: 17px; font-weight: 700; color: #fff;
    background: linear-gradient(135deg, #18b6f2, #0a84ff);
    border-radius: 999px; padding: 15px 34px;
    box-shadow: 0 14px 30px -10px rgba(10,132,255,.55);
    transition: transform .2s, box-shadow .2s;
}
.go4n:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -10px rgba(10,132,255,.65); }
.sk7t {
    display: inline-flex; align-items: center; gap: 6px;
    color: #0a84ff; font-weight: 600; font-size: 15.5px;
    transition: opacity .2s;
}
.sk7t:hover { opacity: .72; }
.ps5w { display: flex; gap: 26px; margin-top: 40px; flex-wrap: wrap; }
.ps5w li { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: #6e6e73; }
.ps5w i { font-size: 17px; color: #30b573; }

/* 双机错落 + 通知条 */
.ph6b { flex: none; position: relative; width: 430px; height: 560px; }
.pn3m {
    position: absolute; left: 0; top: 30px;
    width: 258px; padding: 9px;
    background: #fff;
    border: 1px solid #e8e8ed;
    border-radius: 40px;
    box-shadow: 0 34px 70px -24px rgba(0,0,0,.28);
    transform: rotate(-4deg);
    z-index: 2;
}
.pn3m.pn-b { left: 158px; top: 96px; transform: rotate(4deg); z-index: 1; }
.nt8c { position: absolute; top: 19px; left: 50%; transform: translateX(-50%); width: 82px; height: 18px; background: #1d1d1f; border-radius: 999px; z-index: 2; }
.pn3m img { width: 100%; height: 500px; object-fit: cover; object-position: top; border-radius: 32px; }
.pn3m.pn-b img { height: 470px; }
.nt9a {
    position: absolute; z-index: 3; left: 12px; bottom: 24px;
    display: flex; align-items: center; gap: 11px;
    background: rgba(255,255,255,.86);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0,0,0,.06);
    border-radius: 22px; padding: 12px 20px 12px 13px;
    box-shadow: 0 20px 44px -16px rgba(0,0,0,.22);
    animation: notif 4.4s ease-in-out infinite;
}
.nt9a img { width: 40px; height: 40px; border-radius: 10px; }
.nt9a p { display: flex; flex-direction: column; line-height: 1.4; }
.nt9a b { font-size: 13px; color: #1d1d1f; white-space: nowrap; }
.nt9a small { font-size: 11px; color: #86868b; white-space: nowrap; }
@keyframes notif { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ===== 版块 ===== */
.gy1s { padding: 100px 0; background: #fbfbfd; }
.st2v { padding: 100px 0; background: #f5f5f7; }
.se4j { text-align: center; margin-bottom: 56px; font-size: 38px; font-weight: 900; letter-spacing: 1px; color: #1d1d1f; line-height: 1.4; }
.se-k {
    display: block; font-size: 14px; font-weight: 800; letter-spacing: 3px; margin-bottom: 8px;
    background: linear-gradient(120deg, #f2352f, #18b6f2);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* 磁贴展示 */
.mt6d { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.ti3n {
    background: #fff; border: 1px solid #e8e8ed; border-radius: 24px; overflow: hidden;
    box-shadow: 0 8px 26px -18px rgba(0,0,0,.16);
    transition: transform .28s, box-shadow .28s;
}
.ti3n:hover { transform: translateY(-8px) scale(1.015); box-shadow: 0 30px 60px -22px rgba(0,0,0,.26); }
.ti-img img { width: 100%; height: 330px; object-fit: cover; object-position: top; }
.ti3n figcaption { padding: 20px 22px 24px; }
.ti3n b { display: block; font-size: 16.5px; color: #1d1d1f; margin-bottom: 6px; }

/* iOS 设置列表优势 */
.st-list { max-width: 900px; margin: 0 auto; background: #fff; border: 1px solid #e8e8ed; border-radius: 26px; overflow: hidden; }
.rw9g { display: flex; align-items: center; gap: 18px; padding: 24px 30px; transition: background .2s; }
.rw9g + .rw9g { border-top: 1px solid #ececf0; }
.rw9g:hover { background: #fafafa; }
.ic7b {
    flex: none; width: 46px; height: 46px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #fff;
}
.ic7b.green { background: linear-gradient(140deg, #35c37e, #1e9e60); }
.ic7b.blue { background: linear-gradient(140deg, #38b6f5, #0a84ff); }
.ic7b.red { background: linear-gradient(140deg, #ff6259, #f2352f); }
.rw-bd { flex: 1; }
.rw-bd .tt2v { margin-bottom: 4px; }
.rw-bd .ds8k { line-height: 1.7; }
.chev { position: relative; flex: none; width: 9px; height: 9px; border-right: 2px solid #c7c7cc; border-top: 2px solid #c7c7cc; transform: rotate(45deg); }

/* 大数字流程 */
.sp7m { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; max-width: 1080px; margin: 0 auto; }
.sp7m li { position: relative; padding-top: 18px; }
.sp7m li::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; border-radius: 3px; background: #e8e8ed; }
.sp7m li:hover::before { background: linear-gradient(90deg, #30b573, #18b6f2); }
.sp-num {
    display: block; font-size: 56px; font-weight: 900; line-height: 1; margin-bottom: 14px;
    color: transparent; -webkit-text-stroke: 1.5px #c7c7cc; letter-spacing: 1px;
    transition: color .25s;
}
.sp7m li:hover .sp-num { color: #1d1d1f; -webkit-text-stroke: 1.5px #1d1d1f; }
.sp7m .tt2v { margin-bottom: 6px; }
.sp7m .ds8k { font-size: 14px; }

/* 资讯：日期左标题右 */
.nz5c { max-width: 900px; margin: 0 auto; }
.na8v { display: flex; gap: 26px; align-items: flex-start; padding: 26px 8px; transition: background .2s; border-radius: 18px; }
.na8v + .na8v { border-top: 1px solid #e8e8ed; }
.na8v:hover { background: #fff; }
.na-date { flex: none; font-size: 15px; font-weight: 900; letter-spacing: 1px; background: linear-gradient(120deg, #f2352f, #18b6f2); -webkit-background-clip: text; background-clip: text; color: transparent; padding-top: 3px; }
.na-bd .tt2v { margin-bottom: 5px; }
.na-bd .ds8k { line-height: 1.7; }

/* FAQ：分组折叠 */
.fq6w { max-width: 900px; margin: 0 auto; background: #fff; border: 1px solid #e8e8ed; border-radius: 26px; overflow: hidden; }
.fq-it + .fq-it { border-top: 1px solid #ececf0; }
.fq-hd {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 14px;
    background: none; border: 0; cursor: pointer; text-align: left;
    font-family: inherit; font-size: 16px; font-weight: 700; color: #1d1d1f;
    padding: 22px 30px; line-height: 1.5;
}
.fq-sw { position: relative; flex: none; width: 26px; height: 26px; border-radius: 50%; background: #f5f5f7; }
.fq-sw::before, .fq-sw::after { content: ""; position: absolute; left: 50%; top: 50%; background: #6e6e73; border-radius: 2px; transition: transform .28s; }
.fq-sw::before { width: 11px; height: 2px; margin: -1px 0 0 -5.5px; }
.fq-sw::after { width: 2px; height: 11px; margin: -5.5px 0 0 -1px; }
.fq-it.on .fq-sw { background: #1d1d1f; }
.fq-it.on .fq-sw::before, .fq-it.on .fq-sw::after { background: #fff; }
.fq-it.on .fq-sw::after { transform: scaleY(0); }
.fq-bd { max-height: 0; overflow: hidden; transition: max-height .32s ease; }
.fq-bd p { padding: 0 30px 24px; font-size: 14.5px; color: #6e6e73; }

/* App Store 评论墙 */
.ap7e { padding: 100px 0; background: #f5f5f7; }
.rv-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 1080px; margin: 0 auto; }
.rv2c { background: #fff; border: 1px solid #e8e8ed; border-radius: 22px; padding: 24px 26px 20px; box-shadow: 0 8px 26px -18px rgba(0,0,0,.16); transition: transform .25s; }
.rv2c:hover { transform: translateY(-4px); }
.rv-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.av4t {
    flex: none; width: 40px; height: 40px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 900; color: #fff;
    background: linear-gradient(140deg, #35c37e, #1e9e60);
}
.rv2c:nth-child(2n) .av4t { background: linear-gradient(140deg, #38b6f5, #0a84ff); }
.rv2c:nth-child(3n) .av4t { background: linear-gradient(140deg, #ff6259, #f2352f); }
.rv-stars { display: inline-flex; gap: 2px; color: #f5a623; font-size: 14px; }
.rv-txt { font-size: 14px; color: #3a3a3c; line-height: 1.75; }
.rv-time { margin-top: 12px; font-size: 12px; color: #86868b; }

/* CTA */
.fn3k { padding: 110px 0; background: #fbfbfd; text-align: center; }
.fn-k { font-size: 14px; font-weight: 800; letter-spacing: 4px; margin-bottom: 14px; background: linear-gradient(120deg, #30b573, #18b6f2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.fn-hd { font-size: 52px; line-height: 1.25; font-weight: 900; color: #1d1d1f; letter-spacing: 1px; }
.fn-hd em {
    font-style: normal; display: inline-block; margin: 8px 0 0;
    background: linear-gradient(115deg, #f2352f 8%, #30b573 55%, #18b6f2 95%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.go9r {
    display: inline-flex; margin-top: 36px;
    background: linear-gradient(135deg, #18b6f2, #0a84ff);
    color: #fff; font-size: 18px; font-weight: 700;
    padding: 16px 46px; border-radius: 999px;
    box-shadow: 0 18px 40px -12px rgba(10,132,255,.6);
    transition: transform .2s, box-shadow .2s;
}
.go9r:hover { transform: translateY(-3px); box-shadow: 0 24px 50px -12px rgba(10,132,255,.7); }
.fn-tip { margin-top: 22px; font-size: 13.5px; color: #86868b; letter-spacing: 1px; }

/* footer */
.ft5v { border-top: 1px solid #e8e8ed; background: #f5f5f7; padding: 30px 0; }
.ft-l { text-align: center; }
.ft-l p { font-size: 12.5px; color: #86868b; line-height: 2; }

/* 入场动画 */
.rs-in { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.rs-on { opacity: 1; transform: translateY(0); }

/* ===== 移动端 ===== */
@media (max-width: 768px) {
    .kw8r { width: 100%; padding: 0 18px; }
    .nv8r { display: none; }
    .hg2k { display: flex; align-items: center; justify-content: center; }
    .bt6m { display: none; }
    .mn7x {
        display: none; flex-direction: column; gap: 2px;
        background: rgba(251,251,253,.97);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid #e8e8ed;
        padding: 10px 18px 16px;
    }
    .mn7x.opn { display: flex; }
    .mn7x a { padding: 12px 14px; border-radius: 12px; font-size: 15px; color: #1d1d1f; }
    .mn7x a:hover { background: #f5f5f7; }
    .mn7x a:last-child { margin-top: 8px; text-align: center; background: #0a84ff; color: #fff; font-weight: 700; width: 100%; padding: 14px; }
    .hd-l { height: 60px; }
    .ky5f { padding: 116px 0 66px; }
    .ky-l { flex-direction: column; gap: 44px; }
    .tx-l { flex: none; width: 100%; }
    h1 { font-size: 40px; }
    h1 em { margin: 6px 0 0; }
    .ds2m { font-size: 15px; }
    .bw3p { flex-direction: column; align-items: stretch; }
    .go4n { width: 100%; justify-content: center; }
    .sk7t { justify-content: center; }
    .ps5w { gap: 14px 22px; }
    .ps5w li { font-size: 12.5px; }
    .ph6b { width: 100%; max-width: 430px; height: 470px; }
    .pn3m { width: 216px; }
    .pn3m img { height: 420px; }
    .pn3m.pn-b { left: auto; right: -6px; top: 80px; }
    .nt9a { left: 0; bottom: 10px; }
    .se4j { font-size: 27px; margin-bottom: 38px; }
    .mt6d { grid-template-columns: 1fr 1fr; gap: 14px; }
    .ti-img img { height: 210px; }
    .ti3n figcaption { padding: 14px 15px 17px; }
    .ti3n b { font-size: 15px; }
    .ds8k { font-size: 13.5px; }
    .st-list { border-radius: 20px; }
    .rw9g { padding: 19px 18px; gap: 13px; }
    .ic7b { width: 40px; height: 40px; border-radius: 12px; font-size: 19px; }
    .chev { display: none; }
    .sp7m { grid-template-columns: 1fr 1fr; gap: 26px 22px; }
    .sp-num { font-size: 42px; }
    .nz5c { padding: 0 4px; }
    .na8v { gap: 16px; padding: 20px 4px; }
    .fq-hd { font-size: 15px; padding: 18px 18px; }
    .fq-bd p { padding: 0 18px 20px; }
    .rv-wall { grid-template-columns: 1fr; gap: 14px; }
    .gy1s, .st2v, .ap7e { padding: 66px 0; }
    .fn3k { padding: 78px 0; }
    .fn-hd { font-size: 33px; }
    .go9r { width: 100%; justify-content: center; }
}
html{scroll-behavior:smooth}