:root {
    --green-700: #0B3D2E;
    --green-600: #0E7C54;
    --green-500: #16A34A;
    --green-50: #E8F5EE;
    --amber: #F59E0B;
    --amber-600: #D97706;
    --ink: #17201B;
    --ink-6: #52635C;
    --bg: #F5F8F6;
    --r: 16px;
    --sh: 0 8px 24px rgba(11, 61, 46, .10);
    --e: cubic-bezier(.22, .61, .36, 1)
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", "Noto Sans SC", sans-serif;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow: hidden
}

a {
    color: inherit;
    text-decoration: none
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none
}

ul {
    list-style: none
}

img {
    max-width: 100%;
    display: block
}

.in {
    max-width: 1160px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 2
}

.pt {
    padding: 96px 24px 40px
}

.eyebrow {
    font-size: 13px;
    letter-spacing: .18em;
    color: var(--green-600);
    font-weight: 600
}

.h2 {
    font-size: clamp(28px, 4vw, 30px);
    line-height: 1.2;
    font-weight: 700
}

.h2 .hl {
    color: var(--green-600)
}

.lead {
    font-size: clamp(15px, 1.6vw, 18px);
    color: var(--ink-6);
    line-height: 1.7;
    max-width: 560px;
    margin-top: 16px
}

.cta {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 56px;
    padding: 0 28px;
    max-width: 420px;
    border-radius: 14px;
    font-size: 25px;
    font-weight: 600;
    transition: .25s var(--e)
}

.cp {
    background: var(--amber);
    color: #17201B;
    box-shadow: 0 10px 28px rgba(245, 158, 11, .32)
}

.cp:hover {
    background: var(--amber-600);
    transform: translateY(-2px)
}

.cg {
    border: 1.5px solid rgba(255, 255, 255, .45);
    color: #fff
}

.cg:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, .1)
}

.cl {
    color: var(--green-600);
    padding: 0 8px;
    height: 48px;
    font-size: 16px
}

.cl:hover {
    gap: 12px
}

.ar {
    transition: transform .25s var(--e)
}


.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: .3s;
    color: #ffffff
}

.nav .logo {
    color: #ffffff;
    transition: color .3s
}

.nav .nl a {
    color: rgba(255, 255, 255, .9);
    transition: color .2s
}

.nav.on {
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(11, 61, 46, .08)
}

.nav.on .logo {
    color: var(--green-700)
}

.nav.on .nl a {
    color: var(--ink-6)
}

.nav.on .nl a.on {
    color: var(--green-600)
}

.ni {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 32px
}

.logo {
    font-size: 24px;
    font-weight: 800;
    white-space: nowrap
}

.logo span {
    color: var(--amber)
}

.logo small {
    display: block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .14em;
    color: var(--ink-6);
    margin-top: 2px
}

.nl {
    display: flex;
    gap: 26px;
    margin-left: auto;
    font-size: 15px;
    color: var(--ink-6)
}

.nl a {
    transition: .2s
}

.nl a:hover,
.nl a.on {
    color: var(--green-600)
}

@media(max-width:900px) {
    .nl {
        display: none
    }
}

/* 滚动容器 */
.wrap {
    position: fixed;
    inset: 0;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none
}

.wrap::-webkit-scrollbar {
    display: none
}

.scr {
    min-height: 100vh;
    scroll-snap-align: start;
    position: relative;
    display: grid;
    place-items: center;
    padding: 96px 24px
}



/* 右侧圆点 */
.dots {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 40;
    display: flex;
    flex-direction: column;
    gap: 14px;
    pointer-events: auto
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(11, 61, 46, .22);
    transition: .3s;
    cursor: pointer;
    position: relative
}

.dot::after {
    content: attr(data-l);
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    font-size: 12px;
    color: var(--ink-6);
    opacity: 0;
    transition: .25s
}

.dot:hover::after,
.dot.on::after {
    opacity: 1
}

.dot.on {
    background: var(--green-600);
    transform: scale(1.35)
}

@media(max-width:820px) {
    .dots {
        display: none
    }
}

/* 第1屏 */
#hero {
    background: radial-gradient(1200px 700px at 82% -10%, rgba(22, 163, 74, .35), transparent 60%), linear-gradient(135deg, #0B3D2E, #0E7C54);
    color: #fff;
    overflow: hidden
}

#hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(circle at 70% 40%, #000, transparent 70%)
}

.hg {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 48px;
    align-items: center
}

.ht {
    font-size: clamp(36px, 6vw, 72px);
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -.02em
}

.ht em {
    font-style: normal;
    color: var(--amber)
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .12);
    font-size: 14px
}

.ha {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px
}

.hs {
    display: flex;
    gap: 36px;
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, .18)
}

.st b {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--amber)
}

.st small {
    font-size: 13px;
    color: rgba(255, 255, 255, .75)
}

.hc {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .16);
    backdrop-filter: blur(18px);
    border-radius: 24px;
    padding: 28px
}

.hc h3 {
    font-size: 20px;
    margin-bottom: 18px
}

.qc {
    display: flex;
    flex-direction: column;
    gap: 12px
}

.qr {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, .07);
    border-radius: 12px;
    padding: 12px 14px;
    cursor: pointer;
    transition: .2s
}

.qr:hover {
    background: rgba(255, 255, 255, .14)
}

.qr .ic {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--amber);
    color: #17201B;
    display: grid;
    place-items: center;
    font-weight: 700;
    flex: none
}

.qr span {
    flex: 1;
    font-size: 15px
}

.qr .go {
    color: var(--amber);
    font-weight: 700;
    opacity: 0;
    transition: .2s
}

.qr:hover .go {
    opacity: 1
}

@media(max-width:900px) {
    .hg {
        grid-template-columns: 1fr
    }

    .hc {
        order: -1
    }
}

/* 第2屏 品类 */
#cat {
    background: var(--bg)
}

.ch {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 18px
}

.cs2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px
}

.ca {
    background: #fff;
    border-radius: var(--r);
    padding: 26px 22px;
    box-shadow: var(--sh);
    transition: .3s var(--e);
    cursor: pointer;
    position: relative;
    overflow: hidden
}

.ca::after {
    content: "";
    position: absolute;
    right: -40px;
    top: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--green-50);
    transition: .4s var(--e);
    z-index: 0
}

.ca:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(11, 61, 46, .16)
}

.ca:hover::after {
    right: 0;
    top: 0
}

.ca .ic {
    position: relative;
    z-index: 1;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--green-50);
    color: var(--green-600);
    display: grid;
    place-items: center;
    font-size: 26px;
    margin-bottom: 16px;
    transition: .3s
}

.ca:hover .ic {
    background: var(--green-600);
    color: #fff
}

.ca h4 {
    position: relative;
    z-index: 1;
    font-size: 19px;
    margin-bottom: 6px
}

.ca p {
    position: relative;
    z-index: 1;
    font-size: 14px;
    color: var(--ink-6);
    line-height: 1.6
}

.ca .mo {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--amber-600)
}

.ca:hover .mo .ar {
    transform: translateX(4px)
}

/* 第3屏 估价 */
#quo {
    background: linear-gradient(180deg, #fff, var(--bg))
}

.qg {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 56px;
    align-items: center
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 22px
}

.sp {
    display: flex;
    gap: 16px;
    opacity: .35;
    transition: .4s
}

.sp.on {
    opacity: 1
}

.sp .n {
    width: 34px;
    height: 34px;
    flex: none;
    border-radius: 50%;
    background: var(--green-600);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 700
}

.sp h5 {
    font-size: 17px;
    margin-bottom: 2px
}

.sp p {
    font-size: 14px;
    color: var(--ink-6)
}

.fm {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(11, 61, 46, .14);
    padding: 32px
}

.fr {
    margin-bottom: 10px
}

.fr label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px
}

/* 表单控件统一高度 */
.fr input,
.fr select,
.fr textarea {
    width: 80%;
    height: 30px;
    border: 1.5px solid #DCE5E0;
    border-radius: 12px;
    padding: 0 14px;
    font-size: 15px;
    color: var(--ink);
    background: #fff;
    font-family: inherit;
    transition: .2s;
    box-sizing: border-box;
}

.fr textarea {
    height: auto;
    min-height: 60px;
    padding: 10px;
    resize: vertical;
}

.se:focus,
.fr input:focus,
.fr textarea:focus {
    border-color: var(--green-600);
    outline: none;
}


.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px
}

.chip {
    padding: 9px 16px;
    border-radius: 999px;
    border: 1.5px solid #DCE5E0;
    font-size: 14px;
    color: var(--ink-6);
    transition: .2s
}

.chip.on {
    background: var(--green-600);
    border-color: var(--green-600);
    color: #fff
}

.rs {
    margin-top: 8px;
    padding: 20px;
    border-radius: 14px;
    background: var(--green-50);
    border: 1px dashed var(--green-600)
}

.rs .la {
    font-size: 13px;
    color: var(--ink-6)
}

.rs .pr {
    font-size: 36px;
    font-weight: 800;
    color: var(--green-700);
    margin: 4px 0
}

.rs .no {
    font-size: 12px;
    color: var(--ink-6);
    line-height: 1.6
}

.fk {
    animation: sh .9s infinite
}

@keyframes sh {

    0%,
    100% {
        opacity: .3
    }

    50% {
        opacity: 1
    }
}

@media(max-width:900px) {
    .qg {
        grid-template-columns: 1fr;
        gap: 32px
    }
}

/* 第4屏 流程 */
#pro {
    background: var(--green-700);
    color: #fff
}

#pro .h2 {
    color: #fff
}

#pro .eyebrow {
    color: var(--amber)
}

.fl {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 56px
}

.nd {
    position: relative;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 20px;
    padding: 28px 22px
}

.nd .bg {
    font-size: 56px;
    font-weight: 800;
    color: rgba(245, 158, 11, .28);
    line-height: 1
}

.nd h5 {
    font-size: 19px;
    margin: 14px 0 8px
}

.nd p {
    font-size: 14px;
    color: rgba(255, 255, 255, .72);
    line-height: 1.6
}

.nd:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--amber);
    font-size: 24px;
    z-index: 3
}

@media(max-width:820px) {
    .fl {
        grid-template-columns: 1fr 1fr
    }

    .nd:not(:last-child)::after {
        display: none
    }
}

@media(max-width:520px) {
    .fl {
        grid-template-columns: 1fr
    }
}

/* 第5屏 保障 */
.sg {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 56px
}

.sf {
    background: #fff;
    border-radius: var(--r);
    padding: 30px;
    box-shadow: var(--sh);
    transition: .3s
}



.sf:hover {
    transform: translateY(-6px)
}

.sf .ic {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--green-50);
    color: var(--green-600);
    display: grid;
    place-items: center;
    font-size: 26px
}

.sf h5 {
    font-size: 19px;
    margin: 18px 0 8px
}

.sf p {
    font-size: 15px;
    color: var(--ink-6);
    line-height: 1.7
}

@media(max-width:820px) {
    .sg {
        grid-template-columns: 1fr
    }
}

/* 第6屏 场景 */
.scs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 48px
}

.sc {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 260px;
    cursor: pointer
}

.sc img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .6s var(--e)
}

.sc:hover img {
    transform: scale(1.08)
}

.sc .mk {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11, 61, 46, .95), rgba(11, 61, 46, .2) 60%, transparent)
}

.sc .tx {
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 20px
}

.sc h5 {
    font-size: 20px;
    margin-bottom: 4px
}

.sc small {
    font-size: 13px;
    color: rgba(255, 255, 255, .8)
}

/* 第7屏 信任 */
.tg {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 48px;
    margin-top: 48px;
    align-items: center
}

.nm {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px
}

.nm .nu {
    background: #fff;
    border-radius: var(--r);
    padding: 24px;
    box-shadow: var(--sh)
}

.nm b {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--green-600)
}

.nm span {
    font-size: 14px;
    color: var(--ink-6)
}

.pf {
    display: flex;
    flex-direction: column;
    gap: 14px
}

.pf .pr {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: #fff;
    border-radius: 14px;
    padding: 18px;
    box-shadow: var(--sh)
}

.pf .ic {
    flex: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--green-50);
    color: var(--green-600);
    display: grid;
    place-items: center;
    font-size: 20px
}

.pf h6 {
    font-size: 16px;
    margin-bottom: 2px
}

.pf p {
    font-size: 13px;
    color: var(--ink-6);
    line-height: 1.6
}

@media(max-width:900px) {
    .tg {
        grid-template-columns: 1fr
    }
}

/* 第8屏 联系 */
.cc {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: #fff;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 24px 60px rgba(11, 61, 46, .12);
}

.fd {
    margin-bottom: 18px
}

.fd label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px
}

.fd input,
.fd textarea {
    width: 80%;
    height: 36px;
    border: 1.5px solid #DCE5E0;
    border-radius: 12px;
    padding: 0 14px;
    font-size: 15px;
    font-family: inherit;
    transition: .2s
}

.fd textarea {
    height: 80px;
    padding: 12px 14px;
    resize: vertical
}

.fd input:focus,
.fd textarea:focus {
    border-color: var(--green-600);
    outline: none
}

.fd .er {
    border-color: #D64545
}

.no2 {
    font-size: 12px;
    color: var(--ink-6);
    line-height: 1.7;
    max-width: 450px;
    margin-top: 12px
}

.ci {
    display: flex;
    flex-direction: column;
    gap: 18px
}

.ci .it {
    display: flex;
    gap: 14px;
    align-items: flex-start
}

.ci .ic {
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--green-50);
    color: var(--green-600);
    display: grid;
    place-items: center;
    font-size: 20px
}

.ci h6 {
    font-size: 16px
}

.ci p {
    font-size: 14px;
    color: var(--ink-6);
    line-height: 1.6
}

.qr2 {
    margin-top: 8px;
    padding: 20px;
    border-radius: 14px;
    background: var(--green-50);
    text-align: center;
    border: 1px dashed var(--green-600)
}

.qr2 b {
    display: block;
    font-size: 14px;
    margin-bottom: 10px
}

.qr2 .bx {
    width: 160px;
    height: 160px;
    display: grid;
    place-items: center;
    overflow: hidden;
    margin: 0 auto;
}

@media(max-width:820px) {
    .cc {
        grid-template-columns: 1fr;
        padding: 24px
    }
}

/* footer：平时隐藏，滚到第8屏底部时从底部滑出贴住 */
.ft {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--green-700);
    color: rgba(255, 255, 255, .72);
    font-size: 13px;
    line-height: 1.9;
    padding: 32px 24px 24px;
    z-index: 45;
    transform: translateY(100%);
    transition: transform .35s var(--e);
    pointer-events: none
}

.ft.show {
    transform: translateY(0);
    pointer-events: auto
}

.ft .fg {
    max-width: 1160px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
    gap: 15px
}

.ft .fg h6 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 12px
}

.ft .fg p,
.ft .fg li {
    font-size: 13px;
    color: rgba(255, 255, 255, .66)
}

.ft .fg a {
    transition: .2s
}

.ft .fg a:hover {
    color: #fff
}

.ft .fg ul {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.ft .fb {
    max-width: 1160px;
    margin: 24px auto 0;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, .14);
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: center
}

.ft .bz {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 8px;
    color: rgba(255, 255, 255, .8)
}

@media(max-width:820px) {
    .ft .fg {
        grid-template-columns: 1fr 1fr
    }

    .ft .fb {
        flex-direction: column;
        text-align: center
    }
}

/* 浮动按钮 / 移动端底部条 */
.fl2 {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: 12px
}

.fb2 {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 22px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, .25);
    transition: .25s
}

.fb2.ph {
    background: var(--amber);
    color: #17201B
}

.fb2.ch {
    background: var(--green-600)
}

.fb2:hover {
    transform: scale(1.08)
}

.mb {
    display: none
}

@media(max-width:820px) {
    .fl2 {
        display: none
    }

    .mb {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 60;
        display: flex;
        gap: 8px;
        padding: 10px 12px;
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
        background: rgba(255, 255, 255, .96);
        backdrop-filter: blur(12px);
        box-shadow: 0 -4px 20px rgba(11, 61, 46, .12)
    }

    .mb .cta {
        flex: 1;
        height: 50px;
        justify-content: center;
        font-size: 16px;
        border-radius: 12px
    }
}

/* 入场动画 */
.rv {
    opacity: 0;
    transform: translateY(28px);
    transition: .7s var(--e)
}

.rv.in {
    opacity: 1;
    transform: none
}

@media(prefers-reduced-motion:reduce) {
    .rv {
        opacity: 1;
        transform: none;
        transition: none
    }

    .wrap {
        scroll-snap-type: none
    }
}